Stool test for SIBO: why it can’t diagnose SIBO (but may reveal why it keeps coming back)

bacteria, bloating, breath test, candida, digestion, dysbiosis, functional testing, fungi, gi-map, gut microbiome, hydrogen, IBS, IMO, methane, parasites, root causes, SIBO, sibo breath test, SIBO root causes, sibo testing, stool test, stool testing

A stool test for SIBO might seem like the missing piece when your digestion feels unpredictable, your symptoms don’t quite fit into a neat diagnosis, and every new piece of advice online seems to contradict the last.

Maybe you’ve been dealing with bloating that shows up no matter how clean you eat. Or meals that should feel nourishing somehow leave you uncomfortable, distended, or fatigued.

You’ve likely come across terms like dysbiosis, leaky gut, or SIBO, and with them, a growing list of tests, protocols, and opinions.

Some practitioners recommend comprehensive stool testing. Others insist breath testing is the only way to go. And somewhere in the middle of all that information, it’s easy to start wondering if you are missing something and whether any test actually gives you real answers.

This is where the real confusion around a comprehensive stool test for SIBO really begins.

Because while these tests can reveal a tremendous amount about your gut health, they’re often misunderstood—and in many cases, misused—when it comes to identifying SIBO.

And that misunderstanding can keep you stuck, cycling through solutions that never quite address the roots of the problem.

Stool test for SIBO - GI MAP test results

What is SIBO, and why is it so often missed?

SIBO stands for Small Intestinal Bacterial Overgrowth. At its core, it’s exactly what it sounds like: an abnormal increase of bacteria in the small intestine. (1)

But it is important to clarify one thing. Your gut isn’t one uniform environment. It’s more like a house with different rooms, each with its own purpose.

The small intestine is where digestion and nutrient absorption happen. It’s meant to have relatively low bacterial levels.

The large intestine (colon), on the other hand, is where trillions of microbes live and thrive together, forming a busy community called the gut microbiome. (2)

SIBO occurs when bacteria overgrow in the small intestine, where they do not normally thrive in large numbers. In some cases, bacteria from the large intestine can migrate upward through a dysfunctional ileocecal valve, but more often, small intestinal bacteria such as E. coli or Klebsiella pneumoniae simply proliferate opportunistically when the gut's natural defense mechanisms, such as gut motility and stomach acid, are disrupted. (3)

This can lead to various symptoms and signs such as:

Bloating (often within 30–90 minutes of eating)
Gas and distension
Constipation or diarrhea (or both)
Food sensitivities
Nutrient deficiencies
Low energy
And can impact other parts of the body as well: mood, skin, joints, etc. (4)

Because these symptoms overlap heavily with IBS, many people are misdiagnosed or dismissed altogether.

And that’s where testing can make a difference.

SIBO testing: what works and what doesn’t

When it comes to diagnosing SIBO, not all tests are created equal.

The dominant, non-invasive diagnostic tool in clinical practice is the breath test, typically using lactulose or glucose substrates. This test measures gases such as hydrogen and methane (and with the Triosmart test, hydrogen sulfide gas is also possible) produced by bacteria or methanogens in the small intestine.

Breath testing can help identify the type of SIBO (hydrogen, methane (IMO), hydrogen sulfide (ISO)) and tailor the appropriate treatment approach; however, the test comes with limitations in terms of sensitivity and specificity, so a negative breath test does not definitively rule out SIBO. (5)

So, where does that leave a stool test for SIBO?

This is where we need to be very clear:

A stool test analyzes what’s happening in the large intestine, not the small intestine.

So while a stool test for SIBO may seem like it should give you the answer, it simply isn’t designed to detect bacterial overgrowth in the small intestine.

But that doesn’t make it useless, far from it.

It just means we need to understand what it is designed to do.

What is a comprehensive stool test actually for?

A comprehensive stool test, like the GI-MAP (Gastrointestinal Microbial Assay Plus) or GI Effects, is one of the most detailed tools we have for assessing gut health.

Instead of diagnosing SIBO, it gives us a functional snapshot of your gut ecosystem. The GI-MAP is a functional assessment tool, not a diagnostic test for a specific disease.

Think of it like looking at the soil in a garden. You’re not just checking for weeds; you’re evaluating the balance, nutrients, and conditions that determine whether the entire system can thrive.

These stool tests use quantitative PCR (qPCR) technology to detect and quantify microbial DNA with high sensitivity, including organisms that traditional lab methods cannot culture.

Testing becomes especially valuable when you’ve already tried diets, supplements, or protocols without long-term success. It helps uncover potential root causes rather than just managing symptoms.

A comprehensive stool test can reveal:

Microbial imbalances (dysbiosis)
Pathogens (bacteria, parasites, viruses)
Yeast overgrowth (Candida species and other fungi)
Inflammation levels (Calprotectin (intestinal inflammation marker) and Eosinophil Protein X (EPX) are standard markers on comprehensive stool tests)
Digestive function (Pancreatic Elastase-1 (PE-1) reflects pancreatic exocrine output)
Immune activity in the gut (Secretory IgA (SIgA) is a direct marker of mucosal immune defense)

And this is where things get interesting, because while a stool test for SIBO doesn’t diagnose it, it can reveal why your gut may be vulnerable to it in the first place.

What your stool test really shows

Let’s get through the key sections of the stool test. In this case, I will use the GI-MAP test as an example so you can understand what those markers actually mean for your health.

Pathogens

The GI-MAP test checks for bacterial, parasitic, and viral pathogens. Sometimes, some of these pathogenic overgrowths could be the culprit of abdominal pain, chronic bloating, diarrhea, nausea, or other digestive disturbances.

It's common to see specific pathogens in a stool test when someone has acute food poisoning (such as Salmonella, E. coli, or Campylobacter). Even if you think you have recovered from a stomach bug, the infection could have disrupted your gut microbiome, causing imbalances. (6)

You also don't need to travel overseas to get infected with parasites; undercooked meat, unwashed veggies or fruits, contaminated water sources, or even playing with pets can predispose us to parasites, especially if you have weakened defense mechanisms.

Helicobacter pylori infection

H. pylori infection is a common cause of stomach problems. It can cause abdominal pain, bloating, nausea, vomiting, indigestion, and reflux symptoms. It can also lead to gastritis (inflammation of the stomach lining), peptic ulcers, and even, in some cases, stomach cancer. But many people infected with H. pylori don't show any symptoms.

Having H. pylori can lower stomach acid production, which is needed to break down protein, prevent pathogenic overgrowth (even SIBO!), mineral absorption, etc. (7) Read more about H. pylori here.

The GI-MAP test examines virulence factors that help assess H. pylori's ability to cause disease and the level of treatment, whether natural/herbal protocols are sufficient, or whether pharmaceutical triple/quadruple therapy is warranted.

Virulance factor	Clinical significance
cagA	The highest risk is associated with gastric adenocarcinoma and peptic ulcer disease
vacA	Also associated with gastric cancer and peptic ulcers
babA	Mediates bacterial adhesion, causes hypochlorhydria
dupA / iceA / oipA	All are associated with peptic ulcer disease
virB & virD	Potentiate CagA virulence as part of the CagA pathogenicity island

Commensal bacteria balance

Your gut is home to trillions of microorganisms, including bacteria, viruses, fungi, archaea, and protozoa, many of which play essential roles in digestion, immune function, and even mood.

These bacteria do not simply coexist passively; they actively maintain the conditions that keep your gut healthy and your small intestine free from overgrowth.

What healthy commensal bacteria actually do

Bacteria like Bifidobacterium, Lactobacillus, Faecalibacterium prausnitzii, and Akkermansia muciniphila each contribute something distinct:

Produce vitamins (B1, B2, B6, B9, B12) essential for energy and neurological function (8)
Reinforce the gut lining by stimulating tight junction proteins and reducing intestinal permeability (9)
Produce short-chain fatty acids (SCFAs), especially butyrate, which fuels the gut lining cells (colonocytes), reduces inflammation, and keeps the intestinal barrier intact (10)
Protect against pathogens through colonization resistance: they occupy attachment sites, compete for nutrients, and produce bacteriocins and acids that inhibit harmful microbes (11)
Train and regulate the immune system, particularly by stimulating mucosal SIgA production, which is your gut's first line of immune defense (12)

The direct link to SIBO

This is where your stool test becomes especially informative. Low levels of these commensal bacteria do not just make you feel off. They remove the biological brakes that normally prevent bacterial overgrowth in the small intestine.

Three key mechanisms connect low commensals to SIBO vulnerability:

Loss of colonization resistance: healthy commensal populations physically and chemically block opportunistic bacteria from proliferating in the wrong location. When these populations drop, opportunists like E. coli and Klebsiella find space to expand, exactly the organisms identified as the dominant species in hydrogen SIBO. (13)
Leaky gut and inflammation: reduced butyrate-producing bacteria (like F. prausnitzii) weaken the gut barrier. A permeable barrier allows bacterial byproducts (like lipopolysaccharides) to enter the bloodstream, triggering systemic inflammation that further disrupts gut motility and immune function, both of which are protective against SIBO. (9)
Impaired immune surveillance: low Bifidobacterium means lower mucosal SIgA, which is the secretory antibody that "tags" bacteria in the gut for clearance. A depleted SIgA response makes it harder to keep microbial populations in check. (12)

What depletes these bacteria?

Low levels of beneficial commensals are consistently linked to (14):

restrictive diets, especially low-fiber diets, as bacteria depend on fermentable fiber as their food source
antibiotic use (even a single course can reduce Bifidobacterium for months to years),
medication history (PPIs, benzodiazepines, antidepressants),
chronic stress through the gut-brain axis

When your foundation is weak, it becomes much easier for imbalances, including SIBO, to develop. And this is precisely why the GI-MAP's commensal bacteria section is not a background detail. It is a direct risk assessment for whether your small intestine has the protective environment it needs.

Opportunistic and pathogenic bacteria

Not all bacteria in your gut are harmful, but that does not mean they are always harmless either.

Opportunistic bacteria, sometimes called pathobionts, are microorganisms that coexist peacefully in a balanced gut but can shift into a problem-causing mode when the surrounding ecosystem is disrupted.

Think of them less as invaders and more as opportunists: they exploit the gaps left when beneficial bacteria decline, the immune system is compromised, or the gut environment is altered.

What triggers opportunistic bacteria to become problematic?

Several factors shift the balance from neutral coexistence to active disruption:

Antibiotic use, which decimates commensal populations and leaves open ecological niches
Poor diet (low fiber, high sugar/processed foods)
Parasitic or fungal infections that disturb the microbial environment
Compromised immune function or chronic inflammation
Proton pump inhibitor use or other medications that alter the gut environment

When these conditions arise, opportunistic bacteria can overgrow, produce inflammatory compounds, disrupt gut motility, and generate toxic metabolites, driving a range of digestive and systemic symptoms.

Key opportunists and their SIBO connections

Enterococcus species are part of the healthy gut microbiome but have a dual personality. Research directly involving SIBO patients confirms that E. coli, Enterococcus species, and K. pneumoniae were the predominant organisms found in small intestinal aspirates of IBS-SIBO patients, confirming their role in bacterial overgrowth beyond just the colon. (15)

Methanobrevibacter smithii (Methanobacteriaceae family) deserves special attention here. While technically an archaeon rather than a bacterium, it is the organism responsible for what we now call Intestinal Methanogen Overgrowth (IMO), previously classified as methane-dominant SIBO.

M. smithii produces methane gas, which has a slowing effect on intestinal transit, directly contributing to constipation. (4)

The histamine-bacteria connection

If you struggle with histamine intolerance, the stool test results for opportunistic bacteria become particularly relevant.

Certain bacteria carry the enzyme histidine decarboxylase, which converts the amino acid L-histidine directly into histamine in the gut.

Among the most significant histamine producers identified in the human gut are:

Morganella morganii: produces exceptionally high concentrations of histamine (in vitro), along with other biogenic amines that amplify histamine's effects. (16)
Klebsiella pneumoniae and Klebsiella aerogenes: identified as the primary producers of gut histamine in IBS patients, triggering visceral pain (17)
Citrobacter freundii: also associated with histamine production

This means that unresolved histamine symptoms, such as flushing, sinus issues, headaches, skin reactions, and digestive distress after eating fermented or high-histamine foods, may not just be a food sensitivity but a signal of specific bacterial overgrowth, as indicated by a stool test.

Gut bacteria and the rest of your body

The impact of opportunistic bacteria does not always stay in the gut.

Emerging research shows that specific gut bacteria can trigger immune responses that travel beyond the digestive tract, contributing to inflammation in the joints, skin, and other tissues.

Studies have now found causal associations between certain gut bacteria and conditions like rheumatoid arthritis, using data from over 331,000 individuals. The mechanism is essentially a case of mistaken identity: proteins produced by certain gut bacteria resemble proteins in your own body, and your immune system ends up attacking both. (18)

A comprehensive stool test like the GI-MAP can identify which opportunistic bacteria are elevated in your large intestine and provide quantitative levels, not just a yes-or-no. While it cannot diagnose SIBO directly, it gives you a picture of the microbial environment that either protects against overgrowth or makes it more likely. When combined with a breath test, it provides a much more complete clinical picture.

Yeast, fungi, and parasites

This is one of the sections that surprises people most, especially women who have been dealing with chronic gut symptoms for years without a clear answer.

Yeast and fungal overgrowth

Candida is a type of yeast that naturally lives in your gut in small amounts. When it is in balance, it is harmless. But when the gut ecosystem is disrupted, Candida can multiply, shift into a more invasive form, and start producing byproducts (called mycotoxins) that affect your whole body, not just your digestion. (19)

The most commonly observed signs of Candida overgrowth are:

Bloating, especially after eating carbohydrates or sugar
Belching, indigestion, nausea, gas, and diarrhea
Brain fog and difficulty concentrating
Persistent fatigue that sleep does not fix
Strong sugar and carb cravings
Recurring thrush, vaginal yeast infections, or fungal skin issues

What is important to understand is that Candida can overgrow in two different places.

In the large intestine, it is detectable on a stool test like the GI-MAP, though even then, results can be a false negative because Candida does not shed consistently in stool.

But Candida can also overgrow specifically in the small intestine, a condition called SIFO (Small Intestinal Fungal Overgrowth). Studies found that approximately 25–26% of patients with unexplained GI symptoms had SIFO confirmed by small-bowel aspirates. A stool test cannot detect SIFO, since it only reflects what is happening in the large intestine. (20)

Women are particularly susceptible to Candida overgrowth because high estrogen levels, whether from oral contraceptives, pregnancy, or hormonal fluctuations, create an environment where yeast thrives more easily.

How yeast connects to SIBO

A review confirms that SIBO and SIFO can co-occur and share overlapping risk factors, particularly intestinal dysmotility and PPI use. When yeast overgrows, it damages the gut lining, depletes beneficial bacteria, and creates an environment that makes bacterial overgrowth more likely to develop or return. (20)

Stool test for SIBO - Yeast and fungal overgrowth

Parasites

This is one of the most common misconceptions about gut health: that parasites only affect people who travel to developing countries.

The reality is that parasites can come from:

Undercooked or contaminated meat
Unwashed fruit and vegetables
Contaminated water (including tap water and swimming pools)
Contact with pets or farm animals
Person-to-person contact

Common parasites such as Giardia, Cryptosporidium, and Blastocystis hominis are found throughout Europe and are regularly detected in people who have never left the country.

What makes parasites particularly tricky is that many people carry them without obvious symptoms for months or even years. Meanwhile, the parasite quietly disrupts the gut lining, depletes the immune system, and alters the microbial balance in ways that set the stage for other problems, including SIBO.

A comprehensive stool test like the GI-MAP can detect both Candida and a range of parasitic organisms using DNA-based testing, which is significantly more sensitive than older culture methods. But a quick note that while millions of parasite species exist in nature, human stool tests look exclusively for the narrow subset of pathogens known to colonize the human gut and cause digestive illness.

Identifying and addressing these root-level infections is often what breaks the cycle for people stuck in a loop of SIBO treatment and relapse.

Intestinal Health Markers

Digestive function

This is one of the most overlooked sections on a stool test, but for someone dealing with SIBO or persistent gut symptoms, it can be incredibly revealing.

Pancreatic Elastase-1

Your pancreas produces digestive enzymes that are released into the small intestine to break down proteins, fats, and carbohydrates. Elastase-1 is one of these enzymes, and unlike most others, it survives the full journey through your digestive tract intact, making it a reliable marker of how well your pancreas is functioning.

Levels above 500 µg/g is the target, while results between 200–500 should prompt a closer look, especially if digestive symptoms are present.

Levels below 200 µg/g suggest the pancreas may not be producing enough enzymes, a condition called exocrine pancreatic insufficiency (EPI). (21)

Why does this matter for SIBO?

A review confirmed a direct two-way relationship: EPI and SIBO frequently co-exist and worsen each other, because when food is not properly broken down by enzymes, it lingers in the small intestine and becomes fuel for bacterial fermentation, creating the exact conditions that promote overgrowth. A study found SIBO prevalence was significantly higher in chronic pancreatitis patients with EPI compared to healthy controls. (22)

Fecal fat (Steatocrit)

If fat is showing up in your stool in elevated amounts, it means fat is not being properly absorbed. This can be caused by insufficient pancreatic enzyme production, bile acid issues, or damage to the small intestinal lining.

From a SIBO perspective, fat malabsorption is a downstream consequence: SIBO disrupts bile salt metabolism, impairs the mucosal surface, and reduces the absorptive capacity of the small intestine, where nearly all fat absorption occurs. Steatorrhea (fatty, foul-smelling stools) is one of the classical signs of significant malabsorption. (23)

Inflammation and immune markers

Calprotectin

Calprotectin is a protein released by white blood cells (neutrophils) when they are recruited to a site of intestinal inflammation. The more gut inflammation present, the higher the calprotectin level in stool.

Its most clinically validated use is distinguishing IBD (Crohn's disease, ulcerative colitis) from IBS. (24)

If calprotectin is elevated, it suggests that more than a functional gut issue may be at play and warrants further investigation by a gastroenterologist.

Secretory IgA (SIgA)

SIgA is the main antibody produced in your gut lining. Think of it as your gut's security guard: it coats the intestinal wall, neutralizes pathogens, and prevents bacteria and food proteins from triggering immune reactions.

A study confirmed that SIgA deficiency destabilizes the balance between the immune system and gut microbiota, increasing the risk of systemic immune dysregulation.

A review specifically confirmed that SIgA plays a critical role in regulating microbial communities, including tagging unwanted bacteria for clearance. (25)(26)

For SIBO clients, chronically low SIgA means the gut is less able to keep opportunistic bacteria in check, creating a permissive environment for overgrowth and recurrence.

Eosinophil Protein X (EPX)

This is a marker most people have never heard of, but it is useful.

EPX is a protein released by eosinophils, a type of immune cell that activates when the gut is dealing with inflammation, food reactions, parasites, or allergic-type responses.

Elevated EPX in stool indicates active mucosal inflammation in the gut, often linked to food hypersensitivity, eosinophilic gut disorders, IBD, or parasitic infection.

A study found that fecal EPX was consistently elevated in those with food-related GI symptoms, suggesting it can detect low-grade ongoing inflammation that other markers might miss. (27)

So, high EPX alongside SIBO symptoms may suggest a food-reactivity component that needs to be addressed alongside bacterial overgrowth.

Occult blood

Occult blood simply means hidden blood in the stool, too small to be seen but detectable by the test.

In the context of a stool test like the GI-MAP, its presence is a clinical alert.

It can indicate inflammation, ulceration, polyps, or, in some cases, colorectal cancer, and any positive result warrants follow-up with a gastroenterologist. (28)

It is not a SIBO marker per se, but it is an important safety net built into the panel. You don’t want to be treating SIBO with herbal protocols when there is an undetected inflammatory or structural issue in the gut.

β-Glucuronidase

This one is especially relevant for women. β-Glucuronidase is an enzyme produced by certain gut bacteria that plays a significant role in how your body processes and eliminates estrogen.

Basically, your liver packages used estrogen for excretion by attaching a glucuronate molecule to it (a process called conjugation), then sends it to the gut via bile. Ideally, it exits the body in stool.

But when β-glucuronidase levels are too high, gut bacteria cleave that package back open, releasing free estrogen into the gut, where it gets reabsorbed into the bloodstream. This is called estrogen recirculation, and elevated β-glucuronidase has been linked to estrogen dominance, PMS, endometriosis, and is being studied in connection with estrogen-sensitive cancers.

For women dealing with hormonal symptoms alongside gut issues, this is a marker worth paying attention to. (29)

Zonulin (add-on test)

Zonulin is a protein that regulates the tight junctions between intestinal wall cells. When it is elevated, it suggests those junctions may be loosening, allowing particles to pass through the gut lining into the bloodstream, which is commonly called "leaky gut".

But the reality is that the commercial stool test for zonulin does not accurately measure zonulin protein. The test picks up a related compound instead, which means the result can be misleading in both directions, showing elevated levels when there is no real permeability issue, or missing it when there is.

So to put it simply, a high zonulin result is a signal worth paying attention to, not a diagnosis. It suggests that gut barrier integrity may be worth investigating further, especially when combined with other markers such as low SIgA, elevated calprotectin, or elevated EPX on the same panel. So it is more of a piece of a larger puzzle rather than a standalone answer, so context definitely matters. (30)

A note on additional add-ons

The GI-MAP also offers a small number of additional add-ons beyond what is covered in this blog, including markers for bile acid metabolism and short-chain fatty acids (SCFAs).

If you are interested in hormonal markers, such as estrogen metabolism or cortisol, those require a separate test like the DUTCH Test, which pairs well with the GI-MAP for a more complete picture. Which tests are relevant depends on your individual health history and symptoms, and working with a practitioner can help you decide what is worth including.

Stool test for SIBO - Intestinal Health Markers

How a stool test can still help in SIBO cases

A stool test for SIBO doesn’t diagnose the condition, but it can uncover the terrain that allowed it to develop in the first place.

And that distinction matters more than most people realize. Studies show that between 40–60% of people who successfully treat SIBO will see it return within 9 to 12 months. Not because the treatment failed, but because the underlying conditions that created the problem were never addressed. (31)

A stool test for SIBO can reveal exactly those underlying conditions.

For example, and as a summary, it may uncover:

Low stomach acid (via H. pylori presence), which removes one of the gut's primary defenses against bacterial overgrowth
Poor enzyme production (via pancreatic elastase), which leaves undigested food in the small intestine as a direct fuel source for bacteria
Dysbiosis in the colon, where depleted beneficial bacteria and elevated opportunists create a permissive environment for overgrowth to spread
Chronic infections (parasites, pathogens), which damage gut motility, disrupt the immune system, and keep the gut in a state of low-grade inflammation
Inflammation or immune dysfunction (elevated calprotectin, low SIgA), signaling that the gut lining and its defenses are compromised

These are not just side notes; they’re often the reasons SIBO keeps coming back.

If you only treat SIBO without addressing these underlying factors, you’re essentially trimming weeds without fixing the soil. The weeds will always grow back. A stool test gives you a map of what needs to change in the soil itself.

When to use the stool test vs. the SIBO breath test

So how do you know which test is right for you?

Both tests are useful. They just answer different questions, and knowing which one to start with and why can save a lot of time and frustration.

Start with a breath test when:

Your symptoms are strongly suggestive of SIBO:

post-meal bloating within 30–90 minutes,
gas and distension,
alternating constipation and diarrhea,
reactions to fermentable foods like onions, garlic, legumes, apples, or wheat
reactions to probiotics

The breath test is the most direct tool for confirming whether bacterial or methanogen overgrowth in the small intestine is driving your symptoms.

The guidelines specifically recommend breath testing for patients with IBS-type symptoms, since research shows that up to half of patients diagnosed with IBS actually have underlying SIBO confirmed on breath testing. Without testing, many people spend years on dietary restrictions and symptom management without ever addressing the actual cause. (32)

Consider a stool test for SIBO when:

Symptoms are chronic, complex, or have not resolved despite previous SIBO treatments
You suspect infections, parasites, or pathogen involvement
You want to understand the broader gut environment, not just whether SIBO is present
You have systemic symptoms beyond digestion (skin, mood, hormones, joints) that suggest deeper gut dysfunction
You have already treated SIBO and want to understand why it keeps coming back

The most effective approach: use both strategically

The breath test tells you what is happening in the small intestine. The stool test tells you why the conditions exist for it to happen.

Used together, they give you a complete picture: one confirming the diagnosis, the other revealing the root causes that need to be addressed to prevent recurrence. Neither test replaces the other. They answer different questions, and for people stuck in a cycle of treatment and relapse, getting both is often what finally breaks the pattern.

What this means for you (and your next steps)

If you have been considering a stool test for SIBO, the takeaway is not that it is a bad idea. It needs to be used correctly, as one part of a bigger picture rather than a standalone answer.

Because the truth is, your gut is not just one problem to fix. It is a system, and systems need to be understood from multiple angles before you can address them effectively.

When you stop chasing isolated answers and start looking at the full picture, including what is in the small intestine, what is happening in the large intestine, how well you are digesting, how your immune system is responding, and what underlying infections or imbalances might be driving everything, that is when real and lasting progress becomes possible.

If you already have test results and are not sure what they mean, or you are unsure which test is right for your symptoms, personalized guidance makes all the difference in turning those results into a clear plan.

FAQs

Can a stool test diagnose SIBO?

No. A stool test for SIBO cannot diagnose the condition because it analyzes the large intestine, not the small intestine, where SIBO occurs.

What is the best test for SIBO?

A breath test using lactulose or glucose is the most widely used non-invasive diagnostic tool in clinical practice. For a more complete picture, the trio-smart breath test also measures hydrogen sulfide in addition to hydrogen and methane, which can detect cases that standard breath tests miss.

Is the GI-MAP useful if I suspect SIBO?

Yes, but not for directly diagnosing SIBO. It helps uncover underlying imbalances, infections, digestive dysfunction, and immune issues that may be creating conditions for SIBO to develop or recur.

Can stool tests detect gut bacteria imbalances?

Yes. A comprehensive stool test like the GI-MAP is well-suited for identifying dysbiosis, pathogens, yeast overgrowth, inflammation markers, and overall gut ecosystem health. It cannot assess what is happening in the small intestine.

Should I do both tests?

In many cases, yes. A breath test confirms whether SIBO is present, while a stool test provides insight into the root causes and contributing factors that need to be addressed to prevent recurrence.

Do I need a doctor to order a GI-MAP test?

In many countries in Europe, the USA, and Canada, a comprehensive stool test like the GI-MAP can be ordered through a functional medicine practitioner.

What other comprehensive stool tests exist besides the GI-MAP?

Several options are available depending on your location and what you are looking to assess:

GI Effects (Genova Diagnostics)
GI-360 / Comprehensive Stool Analysis (Doctor's Data)
Medivere (Germany/Austria)
Tiny Health (USA)

It is worth noting that these tests differ significantly in their methodology, what they measure, and how clinically actionable the results are.

Tests using qPCR (like the GI-MAP) are generally considered more precise for detecting and quantifying specific pathogens, while sequencing-based tests (like Medivere or Tiny Health) give a broader compositional overview of the microbiome. The right choice depends on your symptoms and clinical goals, and is best decided with a practitioner.

Disclaimer:

The information provided on this site is for educational purposes only, is not intended as medical advice, and does not claim to diagnose, heal, treat, or cure any conditions Always consult with a healthcare professional before starting any dietary regimen, supplement, or lifestyle changes, especially if you have underlying health conditions or are taking medication.

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Kumar, S., Mukherjee, R., Gaur, P., Leal, É., Lyu, X., Ahmad, S., Puri, P., Chang, C. M., Raj, V. S., & Pandey, R. P. (2025). Unveiling roles of beneficial gut bacteria and optimal diets for health. Frontiers in Microbiology, 16, 1527755. https://doi.org/10.3389/fmicb.2025.1527755
Di Vincenzo, F., Del Gaudio, A., Petito, V., Lopetuso, L. R., & Scaldaferri, F. (2024). Gut microbiota, intestinal permeability, and systemic inflammation: a narrative review. Internal and emergency medicine, 19(2), 275–293. https://doi.org/10.1007/s11739-023-03374-w
Fusco, W., Lorenzo, M. B., Cintoni, M., Porcari, S., Rinninella, E., Kaitsas, F., Lener, E., Mele, M. C., Gasbarrini, A., Collado, M. C., Cammarota, G., & Ianiro, G. (2023). Short-Chain Fatty-Acid-Producing Bacteria: Key Components of the Human Gut Microbiota. Nutrients, 15(9), 2211. https://doi.org/10.3390/nu15092211
Caballero-Flores, G., Pickard, J. M., & Núñez, G. (2023). Microbiota-mediated colonization resistance: mechanisms and regulation. Nature reviews. Microbiology, 21(6), 347–360. https://doi.org/10.1038/s41579-022-00833-7
Gavzy, S. J., Kensiski, A., Lee, Z. L., Mongodin, E. F., Ma, B., & Bromberg, J. S. (2023). Bifidobacteriummechanisms of immune modulation and tolerance. Gut microbes, 15(2), 2291164. https://doi.org/10.1080/19490976.2023.2291164
Khan, I., Bai, Y., Zha, L., Ullah, N., Ullah, H., Shah, S. R., Sun, H., & Zhang, C. (2021). Mechanism of the Gut Microbiota Colonization Resistance and Enteric Pathogen Infection. Frontiers in Cellular and Infection Microbiology, 11, 716299. https://doi.org/10.3389/fcimb.2021.716299
Shen, Y., Fan, N., Ma, S. X., Cheng, X., Yang, X., & Wang, G. (2025). Gut Microbiota Dysbiosis: Pathogenesis, Diseases, Prevention, and Therapy. MedComm, 6(5), e70168. https://doi.org/10.1002/mco2.70168
Ghoshal, U. C., Shukla, R., & Ghoshal, U. (2017). Small Intestinal Bacterial Overgrowth and Irritable Bowel Syndrome: A Bridge between Functional Organic Dichotomy. Gut and liver, 11(2), 196–208. https://doi.org/10.5009/gnl16126
Ryser, L. T., Arias-Roth, E., Perreten, V., Irmler, S., & Bruggmann, R. (2021). Genetic and Phenotypic Diversity of Morganella morganiiIsolated From Cheese. Frontiers in microbiology, 12, 738492. https://doi.org/10.3389/fmicb.2021.738492
Giada De Palma et al. ,Histamine production by the gut microbiota induces visceral hyperalgesia through histamine 4 receptor signaling in mice.Sci. Transl. Med.14,eabj1895(2022).DOI:10.1126/scitranslmed.abj1895
Korzeniowska, A., & Bryl, E. (2024). Infectious and Commensal Bacteria in Rheumatoid Arthritis-Role in the Outset and Progression of the Disease. International journal of molecular sciences, 25(6), 3386. https://doi.org/10.3390/ijms25063386
Neville BA, d'Enfert C, Bougnoux ME. Candida albicans commensalism in the gastrointestinal tract. FEMS Yeast Res. 2015 Nov;15(7):fov081. doi: 10.1093/femsyr/fov081. Epub 2015 Sep 6. PMID: 26347504.
Soliman, N., Kruithoff, C., San Valentin, E. M., Gamal, A., McCormick, T. S., & Ghannoum, M. (2025). Small Intestinal Bacterial and Fungal Overgrowth: Health Implications and Management Perspectives. Nutrients, 17(8), 1365. https://doi.org/10.3390/nu17081365
Mathew, A., Fernandes, D., & Andreyev, H. J. N. (2023). What is the significance of a faecal elastase-1 level between 200 and 500μg/g?. Frontline gastroenterology, 14(5), 371–376. https://doi.org/10.1136/flgastro-2022-102271
Şeulean, E. C., & Dumitraşcu, D. L. (2025). The association between exocrine pancreatic insufficiency and changes in gut microbiota: a narrative review. Medicine and pharmacy reports, 98(1), 5–12. https://doi.org/10.15386/mpr-2638
Zuvarox T, Goosenberg E, Belletieri C. Malabsorption Syndromes. [Updated 2025 Jul 7]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2026 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK553106/
Campbell, J. P., Zierold, C., Rode, A. M., Blocki, F. A., & Vaughn, B. P. (2021). Clinical Performance of a Novel LIAISON Fecal Calprotectin Assay for Differentiation of Inflammatory Bowel Disease From Irritable Bowel Syndrome. Journal of clinical gastroenterology, 55(3), 239–243. https://doi.org/10.1097/MCG.0000000000001359
Mantis, N. J., Rol, N., & Corthésy, B. (2011). Secretory IgA's complex roles in immunity and mucosal homeostasis in the gut. Mucosal immunology, 4(6), 603–611. https://doi.org/10.1038/mi.2011.41
León, E. D., & Francino, M. P. (2022). Roles of Secretory Immunoglobulin A in Host-Microbiota Interactions in the Gut Ecosystem. Frontiers in microbiology, 13, 880484. https://doi.org/10.3389/fmicb.2022.880484
Magnusson J, Gellerstedt M, Ahlstedt S, Andersson B, Bengtsson U, Telemo E, Hansson T, Peterson CG. A kinetic study in adults with food hypersensitivity assessed as eosinophil activation in fecal samples. Clin Exp Allergy. 2003 Aug;33(8):1052-9. doi: 10.1046/j.1365-2222.2003.01725.x. PMID: 12911778.
Kaur K, Zubair M, Adamski JJ. Fecal Occult Blood Test. [Updated 2025 Dec 1]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2026 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK537138/
Ervin, S. M., Li, H., Lim, L., Roberts, L. R., Liang, X., Mani, S., & Redinbo, M. R. (2019). Gut microbial β-glucuronidases reactivate estrogens as components of the estrobolome that reactivate estrogens. The Journal of biological chemistry, 294(49), 18586–18599. https://doi.org/10.1074/jbc.RA119.010950
Ciurea, N. A., Pantea, C. M., Grama, P., Kosovski, I. B., & Bataga, S. (2025). Fecal Zonulin as a Non-Invasive Marker of Intestinal Permeability: Findings from a Prospective Cohort Study. Medicina (Kaunas, Lithuania), 61(9), 1527. https://doi.org/10.3390/medicina61091527
Lauritano EC, Gabrielli M, Scarpellini E, Lupascu A, Novi M, Sottili S, Vitale G, Cesario V, Serricchio M, Cammarota G, Gasbarrini G, Gasbarrini A. Small intestinal bacterial overgrowth recurrence after antibiotic therapy. Am J Gastroenterol. 2008 Aug;103(8):2031-5. doi: 10.1111/j.1572-0241.2008.02030.x. PMID: 18802998.
Esposito, I., de Leone, A., Di Gregorio, G., Giaquinto, S., de Magistris, L., Ferrieri, A., & Riegler, G. (2007). Breath test for differential diagnosis between small intestinal bacterial overgrowth and irritable bowel disease: an observation on non-absorbable antibiotics. World journal of gastroenterology, 13(45), 6016–6021. https://doi.org/10.3748/wjg.v13.45.6016

Stool test for SIBO: why it can’t diagnose SIBO (but may reveal why it keeps coming back) Read More »

Why your SIBO is NOT improving even though you’re doing everything right

bloating, gut motility, IBS, nervous system, root causes, SIBO healing, sibo mistakes, sibo myths, SIBO relapse, sibo relief, sibo symptoms, sibo truths, strategy

If you are reading this, then you’ve probably cleaned up your diet, tried supplements, and maybe you’ve even gone through several antimicrobial or antibiotic treatments.

And yet, your SIBO is not improving. Or it improved for a while and then slowly came back.

At this point, it’s easy to start questioning yourself: Am I missing something? Am I doing this all wrong?

But what I see over and over again in my practice is this: people are doing everything right and still not getting the results they expected.

Not because they’re not trying hard enough.

But because SIBO is rarely just about following the right diet or taking the right supplements.

There are often key pieces missing; pieces that don’t get addressed in most standard approaches.

And when those are overlooked, it can feel like you’re stuck in a frustrating cycle of
trying → slight improvement → SIBO relapse → repeat.

In this article, I’ll walk you through why your SIBO may not be improving and what might actually be standing in the way of real, lasting progress.

But before we go deeper, let’s briefly look at what’s actually happening in the body.

SIBO (Small Intestinal Bacterial Overgrowth) happens when bacteria accumulate in the small intestine, where they don’t belong in large amounts. This can lead to symptoms such as bloating, gas, constipation, diarrhea, and others. (1)

But what many people don’t realize is that simply reducing the bacteria is often not enough.

If the underlying conditions that allowed the overgrowth remain, symptoms can persist or return.

This is often the case when SIBO is not improving, despite doing many of the right things.

And this is where most conventional approaches fall short.

Why your SIBO is not improving (even though you’re doing everything right)

1. You’re doing all the right things, but in isolation

One of the biggest patterns I see is that people are doing a lot, but those efforts are not connected.

You might be:

following a low-FODMAP diet
taking probiotics or antimicrobials
trying different supplements you’ve read about

Each of these can be helpful. But on their own, they often act like temporary patches rather than real solutions.

Think of it like trying to fix a leaking roof by placing buckets under the drips. You might catch the water, but the leak is still there.

This is often what happens when your SIBO is not improving. You’re managing symptoms, but the underlying drivers are still active.

SIBO is not a single-layer problem. It’s a system issue, involving digestion, gut motility, the nervous system, and often deeper root causes.

And unless those pieces are addressed together, progress tends to stall.

2. Gut motility is the missing piece most people overlook

If there is one factor that is consistently underestimated, it’s this:

Gut motility

More specifically, the migrating motor complex (MMC) is your body’s internal “clean-up wave” that sweeps bacteria out of the small intestine between meals. (2)

When this system is not working properly (which can happen due to stress, inflammation, or infections), bacteria can accumulate again, even after treatment.

This is why many people experience:

temporary relief during a protocol
followed by symptoms returning weeks or months later

It’s not that the treatment failed. It’s that the environment didn’t change.

Imagine cleaning your kitchen thoroughly, but leaving the door open for things to keep coming back in.

That’s what poor gut motility does.

So if your SIBO is not improving, or keeps relapsing, it’s worth asking: Has gut motility actually been supported consistently?

Because without it, long-term progress is very difficult.

Interested in learning more about supporting your gut motility? Read my detailed blog about MMC and gut motility.

3. Your nervous system may be working against your gut

This is the part many people don’t expect, or I would say underestimate.

You can follow the perfect protocol, eat all the right foods, take the best supplements, and still not improve.

Why?

Because your body is not in a state to properly digest and heal.

Your nervous system plays a huge role here, particularly through the gut–brain axis. (3)

When your body is in a chronic stress or survival state, digestion becomes a lower priority. In a sympathetic (“fight or flight”) state, blood flow is redirected away from digestion, and can cause the following effects:

stomach acid production decreases (4)
enzyme release is reduced (5)
gut motility slows down (6)
intestinal permeability increases (“leaky gut”) (6)
the gut microbiome becomes imbalanced (loss of beneficial species, dysbiosis) (7)
gut inflammation and sensitivity increase (more reactive, more pain/bloating from the same stimuli) (6)

All of this creates an environment where SIBO can persist.

It’s a bit like trying to grow a plant in poor soil. You can water it perfectly, but if the environment isn’t right, growth will be limited.

So if your SIBO is not improving, it’s not just about what you’re doing; it’s also about the state your body is in while doing it.

This is why nervous system regulation is not a “nice extra.” It’s a foundational piece of the puzzle.

4. You’re focusing on the symptoms instead of the root causes

I get this part. It’s completely understandable.

When you feel bloated, uncomfortable, or react to foods, the natural instinct is to focus on two main things:

removing triggers
reducing symptoms

And while that can bring relief, it doesn’t necessarily answer:

Why did this happen in the first place? Or even better, what still allows the symptoms to happen?

Common underlying contributors I often see include:

low stomach acid
impaired bile flow
thyroid imbalances
infections (like H. pylori)
long-term stress patterns
structural issues (due to Endometriosis, abdominal surgeries)
environmental factors / immune dysregulation (commonly due to mold toxicity)

If these are not addressed, the body remains in a state that allows SIBO to persist or return.

This is why some people feel like they are constantly managing their condition.

If your SIBO is not improving, it may not be because you haven’t found the right supplement, but because the deeper drivers haven’t been fully explored or addressed.

5. Too many protocols, not enough structure

Another common pattern is jumping from one approach to another (or shall I say from one practitioner to another?!).

a new supplement here
a different diet there
something you saw recommended online
a new protocol

Again, completely understandable.

But over time, this creates confusion and inconsistency.

It becomes difficult to know:

what is actually helping
what is not
what your body really needs

And without a clear structure, even good interventions can lose their effectiveness.

It’s a bit like trying to build a house, but changing the blueprint every few days.

Progress slows down and frustration increases.

So when your SIBO is not improving, it’s often not about doing more, but about creating a coherent, personalized plan.

6. The cycle that keeps people stuck

At this point, many people find themselves in a loop:

try something → feel a bit better → symptoms return → try something else

Over time, this can become exhausting.

And it can also lead to self-doubt:

“Maybe I just need to try harder.”
“Maybe I haven’t found the right thing yet.”

Or even worse: “Maybe I am doomed to live with SIBO forever.”

But more often than not, the issue is not effort. It’s the direction.

When your SIBO is not improving, it’s often a sign that the approach needs to shift, not that you need to push harder.

Conclusion: You don’t need to try harder; you just need a clearer strategy

If you’ve made it this far, chances are you’ve already invested a lot of time, energy, and effort into your healing.

And it can be incredibly frustrating when the results don’t match that effort.

But hopefully, you can see now:

It’s not about doing more
It’s about addressing the right pieces in the right way

SIBO is complex, and it often requires a structured, personalized approach that looks at the full picture, not just isolated symptoms.

So if your SIBO is not improving, take a step back and ask:

Am I following a clear plan or just trying different things and hoping something sticks?

Because that shift — from guessing to clarity — is often where real progress begins.

If you’re feeling stuck and want to understand what’s actually driving your symptoms, this is exactly what I help my clients with.

We look at your full picture and create a structured plan tailored to your body.

Apply for a free SIBO & Gut Assessment Call to take the next step.

This post is only for informational purposes and is not meant to diagnose, treat, or cure any disease. I recommend always consulting your healthcare practitioner before trying any treatment or dietary changes.

References

1. Dukowicz, A. C., Lacy, B. E., & Levine, G. M. (2007). Small intestinal bacterial overgrowth: a comprehensive review. Gastroenterology & hepatology, 3(2), 112–122.

2. Deloose, E., Janssen, P., Depoortere, I., & Tack, J. (2012). The migrating motor complex: control mechanisms and its role in health and disease. Nature reviews. Gastroenterology & hepatology, 9(5), 271–285. https://doi.org/10.1038/nrgastro.2012.57

3. Leigh SJ, Uhlig F, Wilmes L, Sanchez-Diaz P, Gheorghe CE, Goodson MS, Kelley-Loughnane N, Hyland NP, Cryan JF, Clarke G. The impact of acute and chronic stress on gastrointestinal physiology and function: a microbiota-gut-brain axis perspective. J Physiol. 2023 Oct;601(20):4491-4538. doi: 10.1113/JP281951. Epub 2023 Sep 27. PMID: 37756251.

4. Esplugues, J. V., Barrachina, M. D., Beltrán, B., Calatayud, S., Whittle, B. J., & Moncada, S. (1996). Inhibition of gastric acid secretion by stress: a protective reflex mediated by cerebral nitric oxide. Proceedings of the National Academy of Sciences of the United States of America, 93(25), 14839–14844. https://doi.org/10.1073/pnas.93.25.14839

5. Leigh SJ, Uhlig F, Wilmes L, Sanchez-Diaz P, Gheorghe CE, Goodson MS, Kelley-Loughnane N, Hyland NP, Cryan JF, Clarke G. The impact of acute and chronic stress on gastrointestinal physiology and function: a microbiota-gut-brain axis perspective. J Physiol. 2023 Oct;601(20):4491-4538. doi: 10.1113/JP281951. Epub 2023 Sep 27. PMID: 37756251.

6. Konturek PC, Brzozowski T, Konturek SJ. Stress and the gut: pathophysiology, clinical consequences, diagnostic approach and treatment options. J Physiol Pharmacol. 2011 Dec;62(6):591-9. PMID: 22314561.

7. Martin, C. R., Osadchiy, V., Kalani, A., & Mayer, E. A. (2018). The Brain-Gut-Microbiome Axis. Cellular and molecular gastroenterology and hepatology, 6(2), 133–148. https://doi.org/10.1016/j.jcmgh.2018.04.003

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SIBO vs IBS: Key Differences, Symptoms, and Treatments Explained

bloating, breath test, constipation, diarrhea, fatigue, fodmap, gut motility, IBS, IBS symptoms, low-fodmap, root causes, SIBO, sibo symptoms

You're tired. You are tired of feeling bloated, tired of not knowing what's causing that constant discomfort, and tired of trying new diets only to see little or no improvement. Sound familiar?

If you've been stuck in this cycle of gastrointestinal turmoil, you've likely come across two terms: SIBO (aka Small Intestinal Bacterial Overgrowth) and IBS (Irritable Bowel Syndrome). They're often confused with one another, and it's easy to see why: both conditions involve gut issues, and the symptoms can feel like a constant guessing game.

So, how can you tell if it's SIBO or IBS that's wreaking havoc in your gut?

In this blog post, we'll dive into the differences and similarities between these two conditions—SIBO vs IBS—so you can better understand your symptoms, seek the right diagnosis, and find the treatment that finally brings relief. We'll also look into why IBS often gets criticized as a "catch-all" label and how you can advocate for a better understanding of your gut health.

What is SIBO?

Small Intestinal Bacterial Overgrowth (SIBO) is a condition in which an excessive amount or abnormal type of bacteria are present in the small intestine, where their numbers should be relatively low compared to the large intestine.

See, your small intestine isn’t meant to host a large number of bacteria—that’s more the colon’s job. Your colon is the place where you can find the gut microbiome (a community of trillions of microorganisms).

In SIBO, bacteria that should stay in the large intestine migrate up into the small intestine, causing interference with normal digestion and absorption of food by fermenting carbohydrates and fibers and creating gases (methane, hydrogen, hydrogen sulfide).

How does it feel to live with SIBO?

Imagine having too many guests at a dinner party: there’s no room to breathe, everyone’s stepping on each other’s toes, and nothing works as it should.

This overcrowding leads to the fermentation of your food in the wrong part of the gut, resulting in:

Chronic bloating that tends to get worse as the day goes by,
Changed bowel movements involving constipation and/or diarrhea or alternating bowel movements,
Abdominal pain,
Nausea,
Burping,
Fatigue,
Brain fog,
Muscle or joint pain,
Skin issues (acne, rosacea, eczema)
Unexplained weight loss or weight gain,

But it can also impact other areas of the body. (1)

Interestingly, SIBO often follows another gut-altering event, like food poisoning or surgery, which disrupts the balance of your gut bacteria. Fibers and probiotics—usually gut heroes—can worsen the condition by providing extra fuel for the overgrown bacteria to feast on.

What is IBS?

Did you know that more than 60 million people have Irritable Bowel Syndrome (IBS), and 70% of them are women? (2)

IBS is a bit more elusive. It’s a functional GI condition defined by a collection of chronic gut symptoms, but there’s no clear-cut cause, making it somewhat of a medical mystery.

IBS is commonly diagnosed based on a specific set of criteria known as the Rome IV Criteria, which include recurrent symptoms like abdominal pain, bloating, constipation, diarrhea, or a combination of both, for at least three months. (3)

How does it feel to have IBS?

Imagine being in a car with a faulty GPS—some days, you might end up at your destination, but other days, you’re stuck in traffic or stranded on a dead-end street. IBS feels like that: the gut’s regular motility goes haywire, leading to unpredictable and uncomfortable outcomes.

The brain-gut connection plays a big role in IBS, with stress and heightened sensory responses making symptoms worse. (4)

IBS is categorized by the following categories:

IBS with predominant constipation (IBS-C)
IBS with predominant diarrhea (IBS-D)
IBS with mixed bowel habits (IBS-M)

SIBO vs IBS: similarities and differences

At first glance, SIBO and IBS seem similar —both share many of the same symptoms, which can make it difficult to tell them apart.

However, a closer look reveals important distinctions in the underlying mechanisms, as well as how the symptoms manifest.

Symptom overlap

When comparing SIBO vs IBS, the overlap in symptoms is undeniable.

Both conditions can cause:

Bloating
Abdominal pain, cramping
Constipation and/or diarrhea
Fatigue
Food intolerances

However, the way these symptoms manifest differs between the two conditions.

For example, in SIBO, there are a few tell signs, like bloating, which tends to worsen as the day progresses, and meals rich in fiber or taking probiotics can exacerbate the discomfort.

In contrast, bloating in IBS can happen at any time, and fiber is often recommended as a helpful addition.

Main differences

Causes:

While multiple factors influence both SIBO and IBS, SIBO is specifically characterized by bacterial overgrowth in the small intestine, where these microbes shouldn't be present in large numbers. This overgrowth leads to the fermentation of undigested food, which causes gas, bloating, and discomfort.

However, the underlying reasons for SIBO can also be many things, from impaired gut motility through infections to structural problems.

IBS, on the other hand, is more ambiguous. In contrast, IBS is more of a functional gastrointestinal disorder—it involves issues with how the gut functions rather than an actual bacterial overgrowth in a specific area.

IBS can be driven by many causes, such as gut-brain axis dysfunction, hypersensitivity of the gut, altered motility, and even imbalances in the gut microbiome (known as dysbiosis), without necessarily involving bacterial overgrowth in the small intestine.

However, it is important to mention that studies show up to 80% of IBS cases may, in fact, be related to SIBO. (5)

This suggests that, in many cases, SIBO might be an underlying cause of IBS symptoms. However, it's important to remember that not all IBS cases are caused by SIBO.

Diagnosis:

SIBO is commonly diagnosed using a lactulose or glucose breath test (link to breath test blog), which measures the gases (hydrogen, methane, and, in some cases, hydrogen sulfide) produced by bacteria or archaea in your small intestine. A positive test result confirms not just SIBO but it helps determine the level of overgrowth and the type of SIBO.

IBS, on the other hand, is often diagnosed by exclusion after ruling out other conditions, which can be frustrating for many patients. The Rome IV Criteria help guide the diagnosis, and patients are typically diagnosed based on symptoms that have been present for at least three months. IBS may also require stool tests or colonoscopies to rule out conditions like inflammatory bowel disease or celiac disease.

However, there is also a diagnostic test for certain people with IBS. The IBS-Smart test is available on the market to diagnose IBS with predominant diarrhea (IBS-D) and mixed symptoms (IBS-M).

This blood testing looks for anti-CdtB and anti-vinculin antibodies, the markers of a food poisoning event. These antibodies can attack the gut's nerves and impair the gut's cleaning wave. (6)

Nutrient absorption:

SIBO can interfere with nutrient absorption, leading to deficiencies in vitamins and minerals (especially deficiency in fat-soluble vitamins such as Vitamin A, D, and E, and also negatively impacting vitamin B12 and iron levels) (7).

In contrast, nutrient absorption in IBS is generally normal unless it's combined with another condition like celiac disease.

Probiotic response:

Another major difference is how each condition responds to probiotics and dietary fibers. Probiotics, often touted as a gut health remedy, may worsen symptoms of SIBO. This is because the overgrown bacteria feed on these probiotics, leading to more gas and bloating.

In contrast, many people with IBS can benefit from the right probiotics or fiber supplements.

Let’s look at the treatment options: SIBO vs IBS

The treatment plans for SIBO vs IBS vary significantly, largely because the causes of each condition are so different.

Treating SIBO

Treatment for SIBO primarily focuses on reducing bacterial overgrowth and addressing underlying causes like gut motility issues.

The main strategies include:

Antibiotics or antimicrobials: Common treatments include rifaximin, often combined with another antibiotic (in case of methane and hydrogen sulfide gas), or herbal antimicrobials that target bacterial overgrowth in the small intestine. (1)
Dietary changes: Many people with SIBO find relief through a certain SIBO diet, such as the low-FODMAP diet, SIBO Bi-phasic, or the low fermentation diet, which restrict the types of carbohydrates that can fuel bacterial overgrowth.
Prokinetics: These are medications or supplements that help improve gut motility and prevent bacteria from lingering in the small intestine.
Post-treatment care: Relapse is fairly common with SIBO, unfortunately. Studies show that about 45% of patients experience recurrence after antibiotic treatment (8), so long-term care might involve dietary and lifestyle changes and addressing the root causes.

Read the complete guide on how to heal your gut from SIBO with a natural approach.

Treating IBS

Treatment for IBS is often more varied and personalized since its exact cause isn’t clear-cut.

Options include:

Dietary adjustments: The low-FODMAP diet is also commonly recommended for IBS, showing great symptom relief of bloating, gas, and pain (9), while some patients find relief by eliminating specific trigger foods like dairy or gluten.
Medications: Depending on whether you have IBS with constipation (IBS-C) or IBS with diarrhea (IBS-D), doctors may prescribe medications like laxatives, anti-diarrheal, or antispasmodics to manage symptoms.
Psychological approaches: Since stress and anxiety can exacerbate IBS, therapies like cognitive behavioral therapy (CBT) or gut-directed hypnotherapy (like Nerva) have shown promise in helping manage symptoms.
Probiotics: While probiotics can sometimes aggravate SIBO, they’re often beneficial for IBS patients in supporting healthy gut bacteria balance.

Why is IBS criticized as a label?

One of the biggest frustrations with an IBS diagnosis is that it can feel like a "wastebasket diagnosis"—a label given when doctors can't figure out exactly what's wrong.

In fact, some researchers believe that IBS is often misdiagnosed when in reality, patients may have an underlying condition like SIBO or even mild inflammatory bowel disease.

This misdiagnosis can lead to a frustrating cycle of trying different diets, medications, and supplements without ever addressing the root cause.

Conclusion on SIBO vs IBS

The road to understanding your gut health is rarely straightforward.

When it comes to SIBO vs IBS, knowing the key differences between these two conditions is essential in navigating your symptoms and finding a treatment plan that works.

While SIBO involves an overgrowth of bacteria that can be tested for and treated directly, IBS is a broader, more complex condition that often requires a multi-faceted approach, including diet, stress management, lifestyle changes, and sometimes medication.

If you’ve been diagnosed with IBS but feel like your treatment isn’t working, consider asking your doctor about SIBO testing.

Understanding the true source of your symptoms is the first step to reclaiming your gut health and your life.

References

Achufusi, T. G. O., Sharma, A., Zamora, E. A., & Manocha, D. (2020). Small Intestinal Bacterial Overgrowth: Comprehensive Review of Diagnosis, Prevention, and Treatment Methods. Cureus, 12(6), e8860. https://doi.org/10.7759/cureus.8860
Saito, Y. A., Schoenfeld, P., & Locke, G. R., 3rd (2002). The epidemiology of irritable bowel syndrome in North America: a systematic review. The American journal of gastroenterology, 97(8), 1910–1915. https://doi.org/10.1111/j.1572-0241.2002.05913.x
Lacy, B. E., & Patel, N. K. (2017). Rome Criteria and a Diagnostic Approach to Irritable Bowel Syndrome. Journal of clinical medicine, 6(11), 99. https://doi.org/10.3390/jcm6110099
Ancona, A., Petito, C., Iavarone, I., Petito, V., Galasso, L., Leonetti, A., Turchini, L., Belella, D., Ferrarrese, D., Addolorato, G., Armuzzi, A., Gasbarrini, A., & Scaldaferri, F. (2021). The gut-brain axis in irritable bowel syndrome and inflammatory bowel disease. Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver, 53(3), 298–305. https://doi.org/10.1016/j.dld.2020.11.026
Ghoshal, U. C., & Srivastava, D. (2014). Irritable bowel syndrome and small intestinal bacterial overgrowth: meaningful association or unnecessary hype. World journal of gastroenterology, 20(10), 2482–2491. https://doi.org/10.3748/wjg.v20.i10.2482
Rezaie, A., Park, S. C., Morales, W., Marsh, E., Lembo, A., Kim, J. H., Weitsman, S., Chua, K. S., Barlow, G. M., & Pimentel, M. (2017). Assessment of Anti-vinculin and Anti-cytolethal Distending Toxin B Antibodies in Subtypes of Irritable Bowel Syndrome. Digestive diseases and sciences, 62(6), 1480–1485. https://doi.org/10.1007/s10620-017-4585-z
Wielgosz-Grochowska JP, Domanski N, Drywień ME. Identification of SIBO Subtypes along with Nutritional Status and Diet as Key Elements of SIBO Therapy. International Journal of Molecular Sciences. 2024; 25(13):7341. https://doi.org/10.3390/ijms25137341
Sorathia SJ, Chippa V, Rivas JM. Small Intestinal Bacterial Overgrowth. [Updated 2023 Apr 17]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK546634/
Nanayakkara, W. S., Skidmore, P. M., O'Brien, L., Wilkinson, T. J., & Gearry, R. B. (2016). Efficacy of the low FODMAP diet for treating irritable bowel syndrome: the evidence to date. Clinical and experimental gastroenterology, 9, 131–142. https://doi.org/10.2147/CEG.S86798

SIBO vs IBS: Key Differences, Symptoms, and Treatments Explained Read More »

Healing SIBO Naturally: Holistic Strategies Without Antibiotics

bloating, dietary changes, digestion support, gut motility, holistic approach, lifestyle changes, mindful eating, MMC, natural healing, root causes

If you've been diagnosed with Small Intestinal Bacterial Overgrowth (SIBO), you might be wondering about natural methods for healing SIBO without relying on antibiotics (pharmaceutical or herbal).

The prevailing belief is that you need to eliminate the overgrowth of bacteria in your small intestine, sometimes at all costs. This approach toward SIBO suggests a quick fix as if it is a sort of infection, which is not the case in most cases.

However, what if you could manage and overcome SIBO without engaging in this "killing" approach?

Let's explore how you can beat SIBO by focusing on building a healthier body and adopting specific lifestyle changes. By addressing the root causes and supporting your body's natural defense processes, you can create an environment where SIBO is less likely to thrive.

This approach isn't about quick fixes; it's about understanding your body, making informed choices, and fostering long-term health.

Whether you're newly diagnosed or have been battling SIBO for some time, this guide will offer you a new perspective to take control of your digestive health, all without relying on antibiotics or antimicrobial herbs.

First things first: what exactly is SIBO?

SIBO, or Small Intestinal Bacterial Overgrowth, is a condition where an excessive amount or abnormal type of bacteria are present in the small intestine, where their numbers should be relatively low compared to the large intestine. (The large intestine houses the highest number of bacteria).

These bacteria in the wrong place can interfere with normal digestion and absorption of food by fermenting carbohydrates and fibers and creating byproducts, like gases (methane, hydrogen, hydrogen sulfide). The overgrown bacteria can interfere with normal digestion and nutrient absorption.

This process can lead to symptoms like:

Chronic bloating that tends to get worse by the end of the day,
Changed bowel movements involving constipation and/or diarrhea or alternating bowel movements,
Abdominal pain,
Nausea,
Burping,
Fatigue,
Brain fog,
Muscle or joint pain,

but it can also impact your skin, hormones, and other areas of the body.

Intestinal Methanogen Overgrowth, IMO, also belongs to this category. In this case, we talk about another type of microorganism, archaea, that can also take residence in the small intestine besides bacteria. For simplicity, we will use the term SIBO in this article.

SIBO and IMO often masquerade as other digestive disorders, which makes them tricky to diagnose. (1)

Traditional treatment methods and their drawbacks to healing SIBO

When it comes to treating SIBO, traditional methods often rely heavily on antibiotics, antimicrobial herbs, and dietary restrictions. However, while these approaches can provide relief, they come with significant drawbacks.

Antibiotics are the most commonly prescribed treatment for SIBO, with medications like rifaximin and metronidazole frequently used to reduce bacterial overgrowth in the small intestine. (2)

While antibiotics can be effective in the short term, they often fail to address the underlying causes of SIBO. This oversight can lead to a high relapse rate, with many individuals experiencing a return of symptoms once the course of antibiotics is completed. (3)

Furthermore, the overuse of antibiotics can contribute to antibiotic resistance, making future infections harder to treat. (4)

Additionally, antibiotics can disrupt the balance of healthy bacteria in the gut, potentially leading to other digestive issues and negatively impacting the gut microbiome. (5)

Antimicrobial herbs, such as oregano oil, berberine, and allicin, are often touted as natural alternatives to antibiotics. While these herbs can be effective for reducing the overgrowth of bacteria and less disruptive to the gut microbiome compared to antibiotics, they still share a similar limitation: they do not address the root causes of SIBO and may not work for everyone. (6)

Moreover, some individuals may experience side effects such as gastrointestinal discomfort, allergic reactions, or interactions with other medications, making this approach less than ideal for some.

Dietary restrictions are another common approach to managing SIBO symptoms. Various SIBO diets like the low-FODMAP diet, SIBO Specific Diet, Specific Carbohydrate Diet (SCD), and others aim to reduce symptoms by limiting foods that feed the bacteria in the small intestine.

Some may choose more extreme measures like the Carnivore diet to completely remove all carbohydrates from the diet to starve the bacteria or prolonged fasting but these routes are not without consequences.

While these diets can provide symptom relief, they can be challenging to maintain and may lead to nutritional deficiencies.

Furthermore, it is important to understand that these diets focus on symptom management rather than curing SIBO or addressing the underlying issues causing bacterial overgrowth.

Introduction to the concept of holistic healing for SIBO

In contrast to traditional methods, when it comes to healing SIBO, a comprehensive and holistic approach can be more effective in addressing the root causes of SIBO rather than merely alleviating symptoms.

This method views the body as an interconnected system, focusing on balanced nutrition, lifestyle modifications, digestive support, and addressing underlying causes.

By adopting this multifaceted strategy, individuals can achieve long-term relief, prevent recurrence, and improve overall health and well-being.

Let's have a look at these elements:

Establishing a strong foundation for healing SIBO

When it comes to beating SIBO, the key lies in establishing a strong foundation for overall health. This way, we strengthen the body to make it resilient to any challenges.

This means focusing on essential lifestyle factors like nutrition, quality sleep, stress management and nervous system support, physical activity, and more.

Nutrition

Healing SIBO isn't about following a strict SIBO-specific diet but ensuring that your body receives all the nutrients it needs to function optimally. It is crucial as SIBO can cause various nutrient deficiencies. (7)

Obviously, diets high in sugar, ultra-processed foods (packaged foods that are made through industrial processing), and unhealthy fats can feed harmful bacteria, promoting their growth, so you want to avoid or massively reduce those in the diet. Examples include fast food, cookies, cakes, chicken nuggets, breakfast cereal, protein bars, etc.

A balanced, whole-food diet includes the right amount of calories, macronutrients (proteins, fats, and carbohydrates), and micronutrients (vitamins and minerals).

Practical Tips:

Track and assess your food intake: Use apps like Cronometer to monitor your daily food intake. This app can help you see how much you eat a day and if you're missing out on crucial nutrients. Even if you just do it for a few days, it could give you valuable data.
Rotate your foods: I know it can be difficult to include a wide variety of foods in your meals with SIBO, but try to avoid eating the same type of food every day. Be creative and use different colors from the same vegetable, like multi-colored carrots.
Cook your food: while raw foods are generally great, they might be harder for the gut to digest when you have a compromised digestive function. Eating cooked vegetables (and even sometimes fruits!) can be a game changer.
Boost absorption of nutrients: Using healthy fats (like avocado, olive oil, coconut oil, flax seeds, fatty fish, and nuts) while eating vegetables can help boost the absorption of fat-soluble vitamins such as vitamins D, E, K, and A, which can commonly be deficient in SIBO.
Stay hydrated at the right time: (Filtered) water is crucial for digestion, but drinking too much water during meals can dilute digestive enzymes. Aim to drink plenty of water throughout the day, but try to limit large amounts of water immediately before and during meals. Sipping water is fine, but focus on hydration between meals.

Mindful eating habits

To maximize nutrient absorption and promote better digestion, we can learn to practice mindful eating in our daily lives. (8)

Mindful eating involves paying full attention to the experience of eating and drinking, both inside and outside the body.

It means being present during meals, noticing the colors, smells, textures, flavors, temperatures, and even the sounds of your food. It's about tuning into your body's hunger and satiety cues and eating with the intention of nourishing your body.

Mindful eating can be particularly beneficial for individuals with SIBO for several reasons:

By eating slowly and chewing thoroughly, you help break down food more efficiently, reducing the workload on your digestive system.
Mindful eating helps prevent overeating and reduces the intake of excess air, which can contribute to bloating and gas.
When you are relaxed and focused on your meal, your digestive system functions better, improving the absorption of nutrients.

Practical steps for mindful eating:

Eat without distractions: Turn off the TV, put away your phone, and focus solely on your meal.
Take small bites and chew thoroughly: Aim to chew each bite at least 20-30 times. This helps break down food and ease the digestive process.
Savor your food and engage your senses: Notice the flavors, textures, and aromas of your food. Take the time to enjoy each bite.
Listen to your body: Pay attention to your hunger and fullness cues. Eat when you're hungry and stop when you're satisfied.
Set a calm eating environment: Create a pleasant and calm environment for meals. This can help reduce stress and improve digestion.

Sleep

Your body needs adequate rest for repair and regeneration. Consistently missing out on restful sleep can weaken the immune system, making your body and gut more vulnerable to imbalances and infections.

Quality sleep is like the maintenance crew for your body. During sleep, your body repairs tissues, consolidates memories, and balances hormones. (9)

Tips for improving sleep quality:

Have good sleep hygiene: Establish a routine.
- Go to bed and wake up at the same time every day.
- Make your bedroom a sanctuary—cool, dark, and quiet.
- Possibly leave your phone in another room and reduce your exposure to blue light that could disrupt your sleep-wake cycle.
Address sleep disorders: If you suspect sleep apnea or insomnia, seek professional help.
Practice relaxation techniques: It's important to give yourself time to wind down after a long day. Incorporate calming activities before bed, like:
- reading,
- journaling,
- taking a warm bath.

Stress management

Chronic stress affects your body in numerous ways; the gut is no exception. Persistent stress can weaken your gut lining, reduce stomach acid production, and alter gut motility, creating an environment for SIBO to flourish by impairing gut-brain axis communication. (10)

Techniques for managing stress:

Mindfulness and meditation: Practices like deep belly breathing and meditation can calm your nervous system. Apps like Headspace or Calm can guide you through mindfulness exercises. Start with just a few minutes each day and gradually increase as you become more comfortable with the practice.
Hobbies and joy: Engage in activities that bring you joy. Whether it's painting, gardening, or playing a musical instrument, find what lights you up. These activities can provide a creative outlet and a break from daily stressors.
Social connections: Spend time with loved ones. Positive interactions boost oxytocin, which helps reduce stress. Make an effort to connect with friends and family, even if it's through a phone call or video chat. Plan regular social activities that you enjoy and that bring you closer to others.
Spending time outside in nature: Nature has a calming effect on the mind and body. Spending time outdoors can lower cortisol levels, reduce blood pressure, and improve mood. Aim to spend at least 20-30 minutes outside each day. Whether it's a walk in the park, hiking in the woods, or simply sitting in your backyard, being in nature can provide a much-needed respite from the stresses of daily life.
Addressing the real stressors: While stress management techniques are essential, it's also important to face and address the real stressors in your life. This means identifying the root causes of your stress and taking steps to manage or eliminate them.
- Take time to reflect on what is causing you the most stress. Is it work, relationships, financial concerns, or something else?
- Once you've identified your stressors, develop a plan to address them. This might involve setting boundaries at work, seeking financial advice, or improving communication in your relationships.
- Don't be afraid to seek help from a therapist, counselor, or support group. Talking through your stressors with a professional can provide new insights and coping strategies.

The impact of trauma and stored emotions on the body

Trauma and stored emotions can have profound effects on the body, often manifesting as physical symptoms and chronic health conditions. (10) When we experience trauma or intense emotional stress, our bodies can enter a state of heightened arousal or "fight or flight" mode.

Over time, if these emotions are not processed and released, they can become trapped in the body, leading to:

Chronic stress and anxiety: Persistent tension and a heightened stress response.
Digestive issues: Conditions like IBS or SIBO, as the gut is directly affected by our emotional state.
Muscle tension and pain: Physical manifestations of unresolved emotional stress.
Immune system dysregulation: Increased susceptibility to illness due to chronic stress.

Primal Trust Academy offers a comprehensive approach to help individuals release stuck emotions and regulate their nervous systems. This can be particularly beneficial for those dealing with the long-term effects of trauma. Here's how the academy can support you:

Somatic practices: Techniques that focus on body awareness and movement to release stored tension and emotions.
Mind-body integration: Programs that integrate mindfulness, meditation, and breathing exercises to calm the nervous system.
Emotional processing: Guided exercises to help recognize, process, and release trapped emotions.
Community support: Access to a supportive community where you can share experiences and gain insights from others on a similar journey.

I am currently participating in this program, learning to regulate my nervous system better, process and release stored emotions, and ultimately cultivate a sense of peace and resilience in my life. This is also something I regularly recommend to my clients.

<<Check out the Primal Trust Academy here>>

Affiliate Disclaimer:

This blog post contains affiliate links to products and services, such as the Primal Trust Academy. If you click on these links and make a purchase, I may receive a small commission at no extra cost to you. This helps support my website and allows me to continue providing valuable content. I only recommend products and services that I believe will be helpful to my readers.

Physical activity

Sedentary lifestyles can slow down gut motility, creating an environment where bacteria can overgrow.

Exercise is like a daily tune-up for your body. It improves circulation, boosts mood and metabolism, and aids digestion. Regular movement ensures that food and waste move smoothly through your digestive tract. (11)

Finding a balanced exercise routine:

Aim for at least 150 minutes of moderate or low-impact exercise per week. Mix in activities you enjoy—walking, swimming, yoga, or pilates. Strength training is also beneficial.

Creating a healthy (toxin-free) environment

Our environment can significantly impact our health. Toxins from plastics, household cleaners, and even personal care products can disrupt our delicate hormonal balance and affect our gut health.

Practical steps:

Natural products: Choose natural cleaning and personal care products. Look for labels that say "non-toxic" or "organic." The Environmental Working Group's website is a great resource to look for non-toxic alternatives.
Air quality: Improve indoor air quality with plants, air purifiers, and regular ventilation. It's crucial to live and work in a clean environment, free from mold and other toxins.
Water quality: Drink filtered water to avoid contaminants.

your guide to healing SIBO naturally and holistic approaches

Supporting digestive juice production for healing SIBO

Your body produces various digestive juices, from stomach acid to bile and digestive enzymes. These juices help break down food and also play a role in keeping bacterial growth in check, acting as a defense mechanism.

Factors like aging, certain medications, or other conditions can reduce the production of these juices, facilitating bacterial overgrowth.

Here is a short breakdown for you:

Hydrochloric acid (HCl) (frequently referred to as stomach acid) in the stomach breaks down food, activates digestive enzymes, and helps kill harmful bacteria and pathogens.

- A tablespoon of apple cider vinegar in a glass of water before meals can stimulate stomach acid production.
- Ginger can help increase HCl production. Try incorporating fresh ginger into your meals or drinking ginger tea.
- For some, supplementation may bring the desired outcomes. Betaine HCl supplements increase stomach acid levels, aiding in the digestion of proteins and absorption of nutrients. Pepsin is an enzyme that helps break down proteins in the stomach. You shouldn't take it if you suffer from gastritis or ulcers or experience any adverse effects like a burning sensation in the stomach.

Bile is produced by the liver and stored in the gallbladder, which helps emulsify fats, making them easier to digest and absorb. Furthermore, bile acids have antimicrobial properties that help control bacterial overgrowth.

- You can improve bile flow by consuming bitter foods like dandelion greens, arugula, and bitter melon to stimulate bile production.
- Incorporate healthy fats like olive oil, flaxseed oil, and avocado, which can support bile secretion.
- Some may need more support, and using supplements can be helpful, such as ox bile, which supports fat digestion and improves bile flow, which is especially useful for those with gallbladder issues or after gallbladder removal.
- Milk thistle is another great herb that supports liver health and bile production. It contains silymarin, which helps protect liver cells and promote bile flow.

bitter foods for gallbladder and bile flow, liver health

Digestive Enzymes are crucial for breaking down food into absorbable nutrients. Different enzymes target specific macronutrients: proteases for proteins, lipases for fats, and amylases for carbohydrates.

Encouraging enzyme production:

- Certain raw foods like pineapple (bromelain) and papaya (papain) are rich in natural enzymes.
- Chewing your food thoroughly initiates the enzymatic process in the mouth and signals the stomach and pancreas to release digestive enzymes.
- Pancreatic enzyme supplements contain a blend of enzymes like amylase, lipase, and protease that help break down carbohydrates, fats, and proteins. Taking enzymes with meals can aid digestion, particularly if you experience bloating or discomfort after eating. (12)(13)

The role of gut motility in SIBO

One of the key root causes of SIBO is issues with gut motility. The movement of the digestive system is crucial in maintaining a healthy balance of bacteria in the gut. When this movement is disrupted, it can lead to an overgrowth of bacteria in the small intestine.

This issue revolves around the role of the Migrating Motor Complex (MMC). The MMC is a pattern of electrical activity that occurs in the smooth muscle of the gastrointestinal tract during the periods between meals.

It's often referred to as the "housekeeper" of our gut because its function is to sweep residual undigested material through the digestive tract. The MMC operates cyclically, approximately every 90-120 minutes during fasting periods.

However, certain conditions like chronic stress, medications (especially opioids), certain diseases (like Scleroderma), infections, or other root causes can disrupt the MMC's functioning, leading to a slowdown or stoppage of this cleaning wave. This disruption can allow bacteria to multiply excessively in the small intestine, leading to SIBO.

You can support your MMC by limiting snacking and spacing out your meals so that you are waiting 3-5 hours after you eat until you eat again. This time is important because it gives the migrating motor complex (MMC) in your digestive system time to work. (14)

Furthermore, you can support your gut motility by switching to a relaxed state, practicing Vagus nerve-stimulating activities, and exercising.

Prokinetics are another great tool. These are medications or supplements designed to stimulate gut motility and support the MMC. They can be particularly beneficial for individuals with SIBO by enhancing the natural cleansing waves of the MMC reducing the risk of bacterial overgrowth.

Commonly used prokinetics include natural options like ginger (15), Iberogast (16), or Motility Activator by Integrative Therapeutics and medications like low-dose erythromycin (17) or LDN (low-dose naltrexone)(18). Incorporating prokinetics into a comprehensive treatment plan can help maintain healthy gut motility, contributing to long-term SIBO management and prevention.

support your gut motility for healing SIBO

Addressing the root causes for healing SIBO

To effectively manage SIBO without antibiotics, it's essential to address the root causes that contribute to its development and persistence. By identifying and tackling these underlying issues, you can create a sustainable, long-term solution that promotes overall gut health and prevents recurrence.

While nutrition, stress management, sleep, and exercise are crucial components of a holistic approach to healing SIBO, other underlying factors often play a significant role.

Here are some additional root causes to consider:

Structural abnormalities

Conditions like adhesions from surgery, strictures, diverticula, or ileocecal valve impairment can physically obstruct the small intestine, leading to bacterial overgrowth. (19)

Chronic infections

Persistent infections such as parasites, Lyme disease, or viral infections can disrupt gut health and lead to SIBO.

Hormonal imbalances

Conditions like hypothyroidism, diabetes, or adrenal insufficiency can impact gut motility and overall digestive health. (20)

Medication side effects

Certain medications, including proton pump inhibitors (PPIs), antibiotics, and opioids, can alter gut flora and motility. (19)

Immune system dysfunction

Autoimmune diseases and immune deficiencies can disrupt the balance of bacteria in the gut. (21)

And more.

The importance of a comprehensive approach for healing SIBO

Taking a comprehensive approach to healing SIBO means looking beyond the immediate symptoms and addressing all potential contributing factors. This strategy ensures that you are not just masking the symptoms but genuinely healing your gut and preventing future occurrences.

By addressing multiple facets of health—diet, lifestyle, structural issues, infections, and more—you promote overall well-being and create an environment where healthy gut flora can thrive.

A multifaceted approach reduces the likelihood of recurrence. When all contributing factors are managed, the gut environment becomes less hospitable to bacterial overgrowth.

Addressing root causes can prevent secondary health issues that often arise from untreated SIBO, such as nutrient deficiencies, chronic inflammation, and immune dysfunction.

Looking for the complete roadmap so you don't have to rely on antibiotics? Check out the SIBO Free Life Method.

Disclaimer:

The information provided on this site is for educational purposes only, is not intended as medical advice, and does not claim to diagnose, heal, treat, or cure any conditions. Always consult with a healthcare professional before starting any dietary regimen, supplement, or lifestyle changes, especially if you have underlying health conditions or are taking medication.

References

Bures, J., Cyrany, J., Kohoutova, D., Förstl, M., Rejchrt, S., Kvetina, J., Vorisek, V., & Kopacova, M. (2010). Small intestinal bacterial overgrowth syndrome. World journal of gastroenterology, 16(24), 2978–2990. https://doi.org/10.3748/wjg.v16.i24.2978
Sachdev, A. H., & Pimentel, M. (2013). Gastrointestinal bacterial overgrowth: pathogenesis and clinical significance. Therapeutic advances in chronic disease, 4(5), 223–231. https://doi.org/10.1177/2040622313496126
Lauritano, E. C., Gabrielli, M., Scarpellini, E., Lupascu, A., Novi, M., Sottili, S., Vitale, G., Cesario, V., Serricchio, M., Cammarota, G., Gasbarrini, G., & Gasbarrini, A. (2008). Small intestinal bacterial overgrowth recurrence after antibiotic therapy. The American journal of gastroenterology, 103(8), 2031–2035. https://doi.org/10.1111/j.1572-0241.2008.02030.x
Giacomini, E., Perrone, V., Alessandrini, D., Paoli, D., Nappi, C., & Degli Esposti, L. (2021). Evidence of Antibiotic Resistance from Population-Based Studies: A Narrative Review. Infection and drug resistance, 14, 849–858. https://doi.org/10.2147/IDR.S289741
Dahiya, D., & Nigam, P. S. (2023). Antibiotic-Therapy-Induced Gut Dysbiosis Affecting Gut Microbiota-Brain Axis and Cognition: Restoration by Intake of Probiotics and Synbiotics. International journal of molecular sciences, 24(4), 3074. https://doi.org/10.3390/ijms24043074
Chedid V, Dhalia S, Clarke JO, et al. Herbal therapy is equivalent to rifaximin for the treatment of small intestinal bacterial overgrowth. Glob Adv Health Med. 2014;3(3):16-24.
Quigley, E. M. M., Murray, J. A., & Pimentel, M. (2020). AGA Clinical Practice Update on Small Intestinal Bacterial Overgrowth: Expert Review. Gastroenterology, 159(4), 1526–1532. https://doi.org/10.1053/j.gastro.2020.06.090
Cherpak C. E. (2019). Mindful Eating: A Review Of How The Stress-Digestion-Mindfulness Triad May Modulate And Improve Gastrointestinal And Digestive Function. Integrative medicine (Encinitas, Calif.), 18(4), 48–53.
Duncan MJ, Veasey SC and Zee P (2021) Editorial: Roles of Sleep Disruption and Circadian Rhythm Alterations on Neurodegeneration and Alzheimer's Disease. Neurosci.15:737895. doi: 10.3389/fnins.2021.737895
Leigh, S., Uhlig, F., Wilmes, L., Sanchez‐Diaz, P., Gheorghe, C. E., Goodson, M. S., … & Clarke, G. (2023). The impact of acute and chronic stress on gastrointestinal physiology and function: a microbiota–gut–brain axis perspective. The Journal of Physiology, 601(20), 4491-4538. https://doi.org/10.1113/jp281951
Kim, Y. S., Song, B. K., Oh, J. S., & Woo, S. S. (2014). Aerobic exercise improves gastrointestinal motility in psychiatric inpatients. World journal of gastroenterology, 20(30), 10577–10584. https://doi.org/10.3748/wjg.v20.i30.10577
Dukowicz, A. C., Lacy, B. E., & Levine, G. M. (2007). Small intestinal bacterial overgrowth: a comprehensive review. Gastroenterology & hepatology, 3(2), 112–122.
Bures, J., Cyrany, J., Kohoutova, D., Förstl, M., Rejchrt, S., Kvetina, J., Vorisek, V., & Kopacova, M. (2010). Small intestinal bacterial overgrowth syndrome. World journal of gastroenterology, 16(24), 2978–2990. https://doi.org/10.3748/wjg.v16.i24.2978
Deloose, E., Janssen, P., Depoortere, I., & Tack, J. (2012). The migrating motor complex: control mechanisms and its role in health and disease. Nature reviews. Gastroenterology & hepatology, 9(5), 271–285. https://doi.org/10.1038/nrgastro.2012.57
Wu, K. L., Rayner, C. K., Chuah, S. K., Changchien, C. S., Lu, S. N., Chiu, Y. C., Chiu, K. W., & Lee, C. M. (2008). Effects of ginger on gastric emptying and motility in healthy humans. European journal of gastroenterology & hepatology, 20(5), 436–440. https://doi.org/10.1097/MEG.0b013e3282f4b224
Madisch, A., Vinson, B. R., Abdel-Aziz, H., Kelber, O., Nieber, K., Kraft, K., & Storr, M. (2017). Modulation of gastrointestinal motility beyond metoclopramide and domperidone : Pharmacological and clinical evidence for phytotherapy in functional gastrointestinal disorders. Modulation der gastrointestinalen Motilität jenseits von Metoclopramid und Domperidon : Pharmakologische und klinische Evidenz für die Phytotherapie bei funktionellen Magen-Darm-Erkrankungen. Wiener medizinische Wochenschrift (1946), 167(7-8), 160–168. https://doi.org/10.1007/s10354-017-0557-3
Quigley E. M. (2015). Prokinetics in the Management of Functional Gastrointestinal Disorders. Journal of neurogastroenterology and motility, 21(3), 330–336. https://doi.org/10.5056/jnm15094
Ploesser, J., Weinstock, L. B., & Thomas, E. (2010). Low dose naltrexone: side effects and efficacy in gastrointestinal disorders. International journal of pharmaceutical compounding, 14(2), 171–173.
Achufusi, T. G. O., Sharma, A., Zamora, E. A., & Manocha, D. (2020). Small Intestinal Bacterial Overgrowth: Comprehensive Review of Diagnosis, Prevention, and Treatment Methods. Cureus, 12(6), e8860. https://doi.org/10.7759/cureus.8860
Patil A. D. (2014). Link between hypothyroidism and small intestinal bacterial overgrowth. Indian journal of endocrinology and metabolism, 18(3), 307–309. https://doi.org/10.4103/2230-8210.131155
Sroka, N., Rydzewska-Rosołowska, A., Kakareko, K., Rosołowski, M., Głowińska, I., & Hryszko, T. (2022). Show Me What You Have Inside-The Complex Interplay between SIBO and Multiple Medical Conditions-A Systematic Review. Nutrients, 15(1), 90. https://doi.org/10.3390/nu15010090

Healing SIBO Naturally: Holistic Strategies Without Antibiotics Read More »

5 SIBO root causes you need to know for the recovery journey

bloating reasons, root causes, SIBO, SIBO root causes

You need to know about the common SIBO root causes if you constantly battle bloating, constipation or diarrhea, low energy, and more. For many, the list of symptoms continues, and the frustration grows with the uncertainty of what to eat and how to live a normal life.

These symptoms define the everyday life of those suffering from SIBO (Small Intestinal Bacterial Overgrowth).

However, many people who experience SIBO relapse soon realize that treatment itself may not be enough to get rid of the uncomfortable symptoms.

One important thing to understand about SIBO: SIBO is not an infection!

Certain factors allowed the bacteria to overgrow; identifying these SIBO root causes is critical to healing.

Often, people think it's only one thing that is causing their issues, but typically, several contributing factors are at play. It's crucial to stop just chasing the symptoms and start identifying the root causes of imbalance. Otherwise, we would just be mopping the floor instead of turning off the sink.

What is SIBO?

SIBO, or Small Intestinal Bacterial Overgrowth, is a condition where an excessive amount or abnormal type of bacteria are present in the small intestine, where their numbers should be relatively low compared to the large intestine. (The large intestine houses the highest number of bacteria). These bacteria in the wrong place can interfere with normal digestion and absorption of food by fermenting carbohydrates and fibers and creating byproducts, like gases (methane, hydrogen, hydrogen sulfide). The overgrown bacteria can interfere with normal digestion and nutrient absorption.

This process can lead to symptoms like:

Chronic bloating that tends to get worse by the end of the day,
Changed bowel movements involving constipation and/or diarrhea or alternating bowel movements
Abdominal pain,
Nausea,
Burping,
Fatigue,
Muscle or joint pain,
Mood changes,
Brain fog, poor memory,

but it can also impact your skin, hormones, and other areas of the body. (1)

5 SIBO Root causes for recovery

The SIBO root causes

Understanding the SIBO root causes is crucial in its effective management. SIBO is a complex condition, and its root causes can differ from person to person. This complexity is reflected in the research on complex diseases, which suggests that a multitude of factors may contribute to the onset of such conditions.

SIBO Root Cause #1: the role of gut motility

This cause revolves around the role of the Migrating Motor Complex (MMC). The MMC is a pattern of electrical activity that occurs in the smooth muscle of the gastrointestinal tract during the periods between meals. It's often referred to as the "housekeeper" of our gut because its function is to sweep residual undigested material through the digestive tract. The MMC operates cyclically, approximately every 90-120 minutes during fasting periods.

When the MMC is functioning correctly, it helps control the bacterial population in the small intestine by regularly clearing it out, pushing bacteria into the large intestine, and preventing any significant accumulation. However, certain conditions like stress, medications (especially opioids), certain diseases (like Scleroderma), or other underlying causes can disrupt the MMC's functioning, leading to a slowdown or stoppage of this cleaning wave. This disruption can allow bacteria to multiply excessively in the small intestine, leading to SIBO. (2)

SIBO Root Cause #2: the impact of medications

Certain medications, such as proton pump inhibitors (PPIs), often prescribed for conditions like GERD (Gastroesophageal Reflux Disease), ulcers, and other acid-related disorders, reduce stomach acid production. While these medications provide relief from acid reflux symptoms, the reduced acid levels can have unintended consequences. Stomach acid is one of your body's primary defenses against bacterial overgrowth in the upper gut. When its production is inhibited by PPIs, the risk of bacterial overgrowth increases. Furthermore, with decreased stomach acidity, the body might not efficiently break down and absorb nutrients, potentially leading to nutrient deficiencies. Regular and prolonged use of PPIs has been linked to an increased risk of SIBO, emphasizing the importance of using these medications judiciously and under proper medical guidance. (3)(4)(5)

Are you keen to delve deeper into the intricate web of SIBO root causes? Looking for actionable strategies to tackle these triggers head-on?

Then, join the SIBO Root Cause Masterclass to get equipped with the right tools to move on with your healing journey.

Learn more

SIBO Root Cause #3: structural abnormalities in the gut

The physical structure of your gastrointestinal system can significantly influence the growth and movement of bacteria.

Here's how:

Small Intestine Diverticula: These are small, bulging pouches that can form in the lining of the digestive system, primarily in the small intestine. These pouches can collect food particles and slow down transit time, allowing bacteria to grow and potentially leading to SIBO.
Post-surgical Changes: Surgeries, especially those related to the digestive tract, like gastrectomies or bowel resections, can change the anatomy and movement of the gut. Such changes can create areas where food and bacteria stagnate, leading to bacterial overgrowth.
Adhesions are bands of scar tissue that can form between abdominal tissues and organs, typically after surgery (C-section, endometriosis surgery). Adhesions can cause parts of the intestines to stick together, leading to blockages or slow transit times, promoting SIBO.

Other types of obstructions in the gut can also increase the risk of developing SIBO. (6)

SIBO Root Cause #4: reduced digestive juice production

Your body produces various digestive juices, from stomach acid to bile and digestive enzymes. These juices help break down food and also play a role in keeping bacterial growth in check. Factors like aging, certain medications, or other conditions can reduce the production of these juices, facilitating bacterial overgrowth. (7)

SIBO Root Cause #5: poor lifestyle choices

Your daily routines, habits, and choices are pivotal to your health. The gut, often called your "second brain," is no exception. Poor lifestyle choices alone may not directly cause SIBO, but they can contribute to the development of this condition.

Here's how your lifestyle can impact the gut:

Dietary choices: the food you consume has an immediate effect on your gut health. Diets high in sugar, processed foods, and unhealthy fats can feed harmful bacteria, promoting their growth.
Chronic stress affects your body in numerous ways; the gut is no exception. Persistent stress can weaken your gut lining, reduce stomach acid production, and alter gut motility, creating an environment for SIBO to flourish.
Lack of physical activity: Sedentary lifestyles can slow down gut motility, creating an environment where bacteria can overgrow. On the other hand, regular (moderate) physical activity can boost metabolism and encourage healthy bowel movements.
Alcohol consumption: Excessive alcohol intake can damage the gut lining and disrupt the balance of beneficial bacteria. It can also decrease stomach acid production, making the small intestine more susceptible to bacterial overgrowth.
Inadequate sleep: Your body needs adequate rest for repair and regeneration. Consistently missing out on restful sleep can weaken the immune system, making your body and gut more vulnerable to imbalances and infections.

Your path to recovery

If you suspect you have SIBO, requesting a SIBO breath test to get a diagnosis is crucial. You may need a tailored treatment plan based on the breath test result. Given the individual-specific nature of SIBO's root causes, it's vital to approach treatment on a case-by-case basis. Recovery often involves a combination of dietary changes, antibiotics or natural antimicrobials, and possibly prokinetic drugs to improve gut motility while addressing any root causes.

SIBO, while challenging, is manageable. With the right knowledge and tools at your disposal, recovery is not just possible – it's probable. Take the first step towards your gut health transformation and join the SIBO Root Cause Masterclass today. We will break down the five most common root causes of SIBO, going beyond the surface to understand the underlying mechanisms and how they affect your gut health. Armed with the knowledge of the root causes, the next step is a solution-oriented approach. The masterclass offers practical, actionable strategies tailored to each cause, ensuring you have a toolkit to combat SIBO. By deeply understanding the common root causes of SIBO, you're better equipped to prevent and manage this condition.

References

Achufusi, T. G. O., Sharma, A., Zamora, E. A., & Manocha, D. (2020). Small Intestinal Bacterial Overgrowth: Comprehensive Review of Diagnosis, Prevention, and Treatment Methods. Cureus, 12(6), e8860. https://doi.org/10.7759/cureus.8860
Deloose, E., Janssen, P., Depoortere, I., & Tack, J. (2012). The migrating motor complex: control mechanisms and its role in health and disease. Nature reviews. Gastroenterology & hepatology, 9(5), 271–285. https://doi.org/10.1038/nrgastro.2012.57
Lo, W. K., & Chan, W. W. (2013). Proton pump inhibitor use and the risk of small intestinal bacterial overgrowth: a meta-analysis. Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association, 11(5), 483–490. https://doi.org/10.1016/j.cgh.2012.12.011
Fujimori S. (2015). What are the effects of proton pump inhibitors on the small intestine?. World journal of gastroenterology, 21(22), 6817–6819. https://doi.org/10.3748/wjg.v21.i22.6817
Lombardo, L., Foti, M., Ruggia, O., & Chiecchio, A. (2010). Increased incidence of small intestinal bacterial overgrowth during proton pump inhibitor therapy. Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association, 8(6), 504–508. https://doi.org/10.1016/j.cgh.2009.12.022
Dukowicz, A. C., Lacy, B. E., & Levine, G. M. (2007). Small intestinal bacterial overgrowth: a comprehensive review. Gastroenterology & hepatology, 3(2), 112–122.
Bures, J., Cyrany, J., Kohoutova, D., Förstl, M., Rejchrt, S., Kvetina, J., Vorisek, V., & Kopacova, M. (2010). Small intestinal bacterial overgrowth syndrome. World journal of gastroenterology, 16(24), 2978–2990. https://doi.org/10.3748/wjg.v16.i24.2978

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