Evidence on probiotics and prebiotics by indication

No fully comprehensive guidelines exist on the evidence for various probiotics and prebiotics by indication. Some useful resources have been created, however, which are listed on our resources page.


Throughout hundreds of randomized, controlled trials for different indications, probiotics have an excellent safety record. Yet caution should be used when recommending products to those with certain conditions. See here for a current overview.

Patient education resources

ISAPP has developed a series of scientifically-based, patient-friendly resources to use in your practice: videos and infographics that explain key concepts related to probiotics, prebiotics, and fermented foods.