Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Bacillus coagulans is a spore-forming probiotic bacterium that has been investigated for its potential benefits in supporting the health of the small intestine and overall gastrointestinal (GI) tract. Several clinical studies and reviews suggest that B. coagulans can help maintain intestinal health, particularly by modulating gut microbiota composition, reducing symptoms of certain GI disorders, and enhancing immune function. Specific studies have examined its use in relieving symptoms of irritable bowel syndrome (IBS), such as abdominal pain, bloating, and irregular bowel movements, which primarily affect the small and large intestines. For example, randomized controlled trials (RCTs) have reported improvements in stool frequency and consistency among individuals with IBS and other functional GI disorders after supplementation with B. coagulans.

Mechanistically, B. coagulans is noted for its resilience to gastric acid, allowing it to reach the small intestine alive, where it can exert probiotic effects. It produces lactic acid, which may inhibit the growth of pathogenic bacteria and promote a healthy microbial balance in the small intestine. While evidence supports its use in managing general GI health and some specific conditions, more research is needed to fully elucidate its direct effects on the small intestine in healthy populations. Overall, the use of B. coagulans in supporting small intestine health is primarily justified by scientific evidence, though it is moderate in strength and scope.

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