Synopsis

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

Bacteria, specifically certain strains of probiotics, are used to support or treat gas and bloating based on scientific evidence rather than tradition. Multiple randomized controlled trials and meta-analyses have evaluated the effectiveness of probiotics—including species from the genera Lactobacillus, Bifidobacterium, and Streptococcus—in reducing symptoms of gas and bloating, particularly in the context of irritable bowel syndrome (IBS) and functional gastrointestinal disorders. The proposed mechanisms include modulation of gut microbiota, enhancement of the intestinal barrier, and reduction of gas-producing bacteria. A 2014 systematic review in the American Journal of Gastroenterology concluded that certain probiotic formulations provided a modest but significant benefit in relieving bloating and flatulence in IBS patients. Another meta-analysis (2018, Alimentary Pharmacology & Therapeutics) supported these findings but noted that benefits are strain- and condition-specific. Not all patients or all probiotic strains exhibit effectiveness, and some studies show minimal or no effect. Importantly, the use of probiotics for gas and bloating is not rooted in traditional medicine; rather, it is a modern application based on emerging scientific data. In summary, the evidence is moderate (rated 3/5) and supports the use of specific bacterial strains for reducing gas and bloating, although further high-quality research is needed to identify optimal strains and treatment protocols.

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