The claimEvidence A · guideline-tier
Probiotics are universally good — any strain helps the gut
The evidence
Suez 2018 Cell: generic probiotics delayed post-antibiotic recovery 3-6 months. It's a strain × indication × dose match.
The mechanism, in brief
The WHO/FAO 2002 + ISAPP 2014 official definition of a probiotic: 'live microorganisms that, when administered in adequate amounts, confer a health benefit on the host'.
Sources (1)
- Hill, C., et al. (2014). Expert consensus document. The International Scientific Association for Probiotics and Prebiotics consensus statement on the scope and appropriate use of the term probiotic. Nature Reviews Gastroenterology & Hepatology, 11(8), 506–514.