Probiotics: Strain-Specific Selection, Not a Generic Gut Fix

Summary

Probiotics are **strain- and indication-specific tools** with a handful of genuinely evidence-backed uses (preventing antibiotic-associated and *C. difficile* diarrhoea, pouchitis, and necrotising enterocolitis in premature infants), **not a generic "gut fix"** — for everyday gut health most people get more from dietary-fibre diversity and fermented foods than from a pill, and the CFU "billions" race on the front of the box is a marketing axis, not an efficacy one. ---