Evidence supporting the use of: Bacillus coagulans
For the health condition: Lactose Intolerance

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Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Bacillus coagulans is a spore-forming probiotic bacterium that has been investigated for its potential role in supporting digestive health, including in individuals with lactose intolerance. The rationale for its use is based primarily on preliminary scientific research rather than strong tradition. Several small studies and preclinical trials suggest that some strains of B. coagulans can produce the enzyme beta-galactosidase (lactase), which is necessary for the breakdown of lactose in the digestive tract. This enzyme activity might help alleviate symptoms of lactose intolerance, such as bloating, diarrhea, and abdominal discomfort, by aiding the digestion of lactose found in dairy products.

However, the evidence supporting the use of Bacillus coagulans for lactose intolerance is limited and not as robust as that for other probiotic strains, such as certain Lactobacillus or Bifidobacterium species. Most clinical studies to date are small, often not double-blinded, and sometimes funded by product manufacturers. While some studies have shown a reduction in gastrointestinal symptoms in lactose-intolerant individuals taking B. coagulans, the overall quality of evidence is low to moderate.

In summary, there is some scientific basis for the use of Bacillus coagulans in supporting lactose intolerance, but the evidence is not strong (rated 2/5), and further high-quality, independent clinical trials are needed to confirm its efficacy and optimal dosing.

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