What it is
A beneficial yeast.
Why it's used
Marketed for digestive support and acute GI upset.
Evidence by claim
| Claim | Evidence grade |
|---|---|
| Reduces acute and antibiotic-associated diarrhoea in dogs | B |
Cited studies
- S. boulardii for acute diarrhoea in dogs — RCTJournal of Small Animal Practice · 2020View source
- The supplementation of female dogs with live yeast Saccharomyces cerevisiae var. boulardii CNCM I-1079 acts as gut stabilizer at whelping and modulates immunometabolic phenotype of the puppies.Frontiers in nutrition · 2024View source
- Effects of Saccharomyces boulardii Supplementation on Nutritional Status, Fecal Parameters, Microbiota, and Mycobiota in Breeding Adult Dogs.Veterinary sciences · 2022View source
- Lactobacillus helveticus-derived postbiotic and live Saccharomyces boulardii restore gut microbiota after antibiotic disturbance in an in vitro canine gut model.Beneficial microbes · 2025View source
Products containing Saccharomyces boulardii
Educational information only. Not veterinary advice. Always talk to your vet before starting a new supplement.