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SIBO · IBS · Leaky Gut

Heal your body with better Gut Health

Your complete clinical guide to Small Intestinal Bacterial Overgrowth, Irritable Bowel Syndrome, and Gut Motility. Explore studied root causes, diagnostic breath tests, botanical and antibiotic eradication protocols, and relapse prevention strategies.

What is SIBO? Treatment Protocols
The Core Framework

The Four Pillars of SIBO Recovery

Navigate every phase of understanding and addressing bacterial overgrowth with evidence-based guides.

3. Evidence-Based Treatment
Therapies & Protocols Explore Section →

3. Evidence-Based Treatment

Compare targeted interventions including natural botanical antimicrobials, prescription antibiotics (Rifaximin), prokinetic motility agents, biofilm disruptors, and the elemental diet.

Essential Guides in this Category:

Browse All Evidence-Based Treatment Guides
Clinical Phenotypes

The Three Types of Bacterial Overgrowth

SIBO symptoms and treatment protocols vary drastically based on the specific gas produced by overgrown microbes.

Gas Profile

Hydrogen (H₂)

Classic SIBO

Primary Organisms:

Fermentative bacteria (E. coli, Klebsiella)

Hallmark Symptoms:

Rapid transit, watery diarrhea, gas pressure, cramping

Targeted Protocols:

Rifaximin (Xifaxan), Berberine, Neem, Oregano Oil

Learn about Breath Testing →
Gas Profile

Methane (CH₄) / IMO

Intestinal Methanogen Overgrowth

Primary Organisms:

Methanogenic archaea (Methanobrevibacter smithii)

Hallmark Symptoms:

Delayed motility, hard stools, chronic constipation, severe bloating

Targeted Protocols:

Rifaximin + Neomycin, Allicin (Garlic Extract), Motility prokinetics

Learn about Breath Testing →
Gas Profile

Hydrogen Sulfide (H₂S)

Sulfur-Producing SIBO

Primary Organisms:

Sulfate-reducing bacteria (Desulfovibrio, Bilophila)

Hallmark Symptoms:

Rotten-egg odor, visceral hypersensitivity, joint/muscle aches

Targeted Protocols:

Bismuth subnitrate, Uva Ursi, Low-sulfur dietary adjustments

Learn about Breath Testing →
Key Metrics

SIBO by the Numbers

Clinical benchmarks and scientific parameters that define diagnosis, underlying motility, and treatment outcomes.

> 1,000
CFU/mL SIBO Diagnostic Standard
Up to 78%
IBS Cases Linked to SIBO
90–120 min
MMC Fasting Cleansing Wave
80–85%
Elemental Diet Eradication Rate
In-Depth Analysis

Featured SIBO Guides & Protocols

Explore peer-reviewed breakdowns of mechanisms, testing accuracy, and evidence-backed interventions.

Common Questions

Frequently Asked Questions

Key insights on SIBO mechanisms, diagnostic accuracy, and sustainable gut recovery.

What is the difference between SIBO and normal colonic bacteria?

The large intestine (colon) naturally contains trillions of bacteria vital for fermenting fiber. In contrast, the small intestine is designed to remain relatively sterile (< 1,000 CFU/mL) to allow proper nutrient absorption. When bacteria migrate upwards into the small intestine, they consume nutrients prematurely and produce excess gas.

Why do so many SIBO treatments end in relapse?

Antimicrobial or antibiotic protocols kill the overgrown bacteria, but they do not fix the underlying motility or anatomical breakdown (such as a deficient Migrating Motor Complex, low stomach acid, or adhesions). Without ongoing prokinetic support and root-cause resolution, bacteria readily recolonize the small bowel.

Should I take standard probiotics if I suspect SIBO?

Standard lactic-acid probiotics (like high-dose Lactobacillus or Bifidobacterium blends) can often exacerbate SIBO symptoms by feeding the active overgrowth in the small bowel. Evidence supports specific strains such as Saccharomyces boulardii or spore-forming Bacillus, or delaying probiotic re-inoculation until after the eradication phase.

What is the Migrating Motor Complex (MMC) and why is it crucial?

The MMC is an electrical cleansing wave that sweeps residual food and bacteria from the stomach through the small intestine during periods of fasting (every 90 to 120 minutes). When the MMC is damaged by post-infectious antibodies (anti-vinculin) or hypothyroidism, bacteria stagnate and multiply.
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Ready to Deep-Dive Into SIBO?

Begin with our comprehensive overview to learn the physiology, symptoms, and gas types, or jump straight to diagnostic breath testing and treatment protocols.

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