Evidence DatabaseSaved evidence
Claim evidence
Reduces acute and antibiotic-associated diarrhoea in dogs
Ingredient: Saccharomyces boulardii · probiotic
Plain-language summary
Randomised canine data support use for AAD and stress diarrhoea.
About the ingredient
What it is
A beneficial yeast.
Why it's used
Marketed for digestive support and acute GI upset.
Also known as: S. boulardii
Cited studies (4)
Canine studies
- Lactobacillus helveticus-derived postbiotic and live Saccharomyces boulardii restore gut microbiota after antibiotic disturbance in an in vitro canine gut model.Deschamps C, Humbert D, Brun M, Denis S, Durif C, Apper E, Blanquet-Diot S · Beneficial microbes · 2025Study summaryVery limited qualityDesign score 2/11DesignJournal ArticleSpeciesdogSample sizeNot reportedDurationNot reportedControls / blindingNot reportedFundingNot reportedStrengths
- Conducted in dogs
Limitations- Sample size not recorded
- No control group recorded
- Study duration not recorded
Relevance to this claim: Ingredient-level evidence for Saccharomyces boulardii
- 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.Garrigues Q, Mugnier A, Chastant S, Sicard F, Martin JC, Svilar L, Castex M, Ramis-Vidal MG, Rovere N, Michaud L, David P, Mansalier E, Rodiles A, Mila H, Apper E · Frontiers in nutrition · 2024Study summaryVery limited qualityDesign score 2/11DesignJournal ArticleSpeciesdogSample sizeNot reportedDurationNot reportedControls / blindingNot reportedFundingNot reportedStrengths
- Conducted in dogs
Limitations- Sample size not recorded
- No control group recorded
- Study duration not recorded
Relevance to this claim: Ingredient-level evidence for Saccharomyces boulardii
- Effects of Saccharomyces boulardii Supplementation on Nutritional Status, Fecal Parameters, Microbiota, and Mycobiota in Breeding Adult Dogs.Meineri G, Martello E, Atuahene D, Miretti S, Stefanon B, Sandri M, Biasato I, Corvaglia MR, Ferrocino I, Cocolin LS · Veterinary sciences · 2022Study summaryVery limited qualityDesign score 2/11DesignJournal ArticleSpeciesdogSample sizeNot reportedDurationNot reportedControls / blindingNot reportedFundingNot reportedStrengths
- Conducted in dogs
Limitations- Sample size not recorded
- No control group recorded
- Study duration not recorded
Relevance to this claim: Ingredient-level evidence for Saccharomyces boulardii
- S. boulardii for acute diarrhoea in dogs — RCTJournal of Small Animal Practice · 2020Study summaryModerate qualityDesign score 6/11DesignRCTSpeciesdogSample sizeNot reportedDurationNot reportedControls / blindingControlled comparison group (per recorded study design)FundingNot reportedStrengths
- Randomized trial design
- Conducted in dogs
Limitations- Sample size not recorded
- Study duration not recorded
Outcome: Shorter duration of diarrhoea vs placebo
Products in our catalog with Saccharomyces boulardii (3)
Educational information only. Not veterinary advice. Grades reflect published dog research and reviewer consensus, not marketing.