Saccharomyces boulardii

Saccharomyces boulardii is a beneficial yeast probiotic used to support gut health. It helps restore healthy intestinal flora, prevent and treat diarrhea (including antibiotic-associated diarrhea), and may support immune function and digestive balance.

A beneficial yeast rather than bacteria; robust under stomach acid; used to prevent/treat types of diarrhea (antibiotic-associated, traveler’s), can support gut barrier, reduce pathogen‑associated damage.