Bacillus coagulans
Commonly used for
NutritionBloatingAbdominal Discomfort
Where to Buy
Our experts personally review each product we recommend for quality and cost effectiveness.
The cheapest product is usually low quality, but more expensive doesn’t always mean better.
The cheapest product is usually low quality, but more expensive doesn’t always mean better.
What is it? / Overview
Bacillus coagulans is a spore-forming probiotic that survives stomach acid well. Certain clinically studied strains have demonstrated improvements in bloating, abdominal pain, and overall IBS symptoms, though benefits are strain-specific.
How is it used? / Administration
Form: Strain-specific products (MTCC 5856 or GBI-30, 6086)
Typical dose studied: 1–2 billion CFU/day, strain dependent
Timing: With meals
Clinical benefits are strain-specific. Spore-forming probiotics are generally shelf-stable.
How well does it work? / Evidence
~ Moderate evidence
Who should avoid it?
Avoid with: Organ transplant (on immunosuppression)
Interacts with: Separate from antibiotics by 2–3 hours
Already taking it? Evaluate symptom improvement after 4–8 weeks.
Research & references
Majeed M et al. (2016). B. coagulans MTCC 5856 for IBS pilot study. Nutrition Journal. Zhang T et al. (2022). Probiotics for IBS network meta-analysis. Frontiers in Cellular and Infection Microbiology. British Dietetic Association. (2016). Systematic review of probiotics for IBS.
Disclosure: Knozela is a participant in the Amazon Associates affiliate program. Some "Where to buy" links on this page are affiliate links -- if you make a purchase through them, Knozela may earn a commission at no additional cost to you.