Type: Yeast ingredient
Source: Microbial (yeast)
Brewer’s Yeast in Dog and Cat Food
Brewer’s yeast is a yeast-derived ingredient used in some pet foods for palatability and as part of certain formula blends.
Why It Appears on Pet Food Labels
It may be included to:
- Improve taste and aroma
- Contribute yeast-derived components
- Support certain formula characteristics
Where It Is Commonly Found
- Dry kibble
- Commercial treats
- Foods listing yeast ingredients
Label Context
Some products list yeast as “brewer’s yeast,” while others list “brewer’s dried yeast.” The naming can vary by manufacturer.
For pet-specific considerations, use the ingredient scan tool.
Educational Note
This page is part of the PetFoodDecoded Label Ingredient Library and is provided for educational reference only.