Probiotic strains

Listed by strain rather than by species, because that is the only level at which the evidence means anything.

Established

LGG

Antibiotic-associated diarrhoea, paediatric acute gastroenteritis.

Established

S. boulardii

Antibiotic-associated diarrhoea, traveller's diarrhoea.

Related reading

Weight Loss Evidence

Diets, drugs, behaviour and maintenance — ranked by the strength of the evidence behind them.

Celiac Wire

Coeliac disease news, guidelines and research — plus the practical business of eating.

The Book Verdict

Health, science and self-improvement books fact-checked against the literature they cite.

IBD Evidence

Crohn's disease and ulcerative colitis — guidelines, biologics, diet and the trigger-food question.