Evidence supporting the use of: Bifidobacterium longum
For the health condition: Gas and Bloating

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Synopsis

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

Bifidobacterium longum is a probiotic bacterium commonly found in the human gastrointestinal tract and used in various probiotic supplements. Its use for gas and bloating is primarily supported by scientific research, although the evidence is still emerging and not uniformly strong.

Several clinical studies and reviews suggest that Bifidobacterium longum may help alleviate symptoms of gas and bloating, particularly in individuals with irritable bowel syndrome (IBS) and functional gastrointestinal disorders. The proposed mechanisms include modulation of gut microbiota composition, enhancement of the intestinal barrier, reduction of inflammation, and inhibition of gas-producing pathogenic bacteria. Some randomized controlled trials have shown a modest reduction in bloating and abdominal discomfort in patients taking supplements containing B. longum alone or in combination with other probiotic strains.

However, the overall quality of evidence is moderate at best. Many studies use combination products, making it difficult to isolate the effects of B. longum specifically. Sample sizes are often small, and there is variability in strains, dosages, and study populations. Meta-analyses indicate a trend towards benefit, but emphasize the need for larger and more rigorous trials to confirm efficacy.

In summary, there is scientific rationale and preliminary clinical evidence supporting the use of Bifidobacterium longum for gas and bloating, but the current evidence is rated as 2/5 due to limitations in study design and consistency.

More about Bifidobacterium longum
More about Gas and Bloating

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