Evidence on probiotic efficacy by condition
Clinical Guide to Probiotic Products Available in USA
Clinical Guide to Probiotic Products Available in Canada
These guides, which list the level of evidence for various probiotic products by indication, are independent tools for healthcare professionals. They are made possible through industry-funded educational grants.
World Gastroenterology Organisation Global Guidelines
This guideline offers evidence for the use of probiotics for various indications. Note especially Tables 8 and 9, which list strains associated with graded evidence for gastrointestinal benefits.
Information on probiotics and prebiotics
Probiotics, Prebiotics and the Gut Microbiota
This ILSI Europe Concise Monograph was published in 2013.
Information on gut microbiota
This resource includes 15 chapters by global experts on gut microbiota and its role in health and disease, as well as probiotics and prebiotics.
This website has up-to-date gut microbiota research news as well as information for the general public.