Brewer's Yeast
supplement ingredient
What is it?
Brewer's Yeast is a supplement added for a specific benefit. Graded good: a real, recognisable ingredient that adds nutritional value, so it lifts a product’s score.
Other names on labels: saccharomyces cerevisiae, dried brewer's yeast, brewers yeast
Show 1 more label name
fermented saccharomyces cerevisiae
At a glance
- Base score
- 1 (from −1 to 1; higher is better)
- Found in
- 914 products
Products containing brewer's yeast
Results reflect the latest label we hold for each product, not a live check of today's recipe. Open a product to see its source and last-checked date.
Common questions about brewer's yeast
Is Brewer's Yeast good for dogs?
Yes, we grade it as a good ingredient: recognisable and nutritionally useful, so it lifts a product’s score. Bear in mind that no single ingredient decides quality; the whole recipe and its balance matter more.
What does brewer's yeast do in dog food?
Brewer's yeast is a by-product of brewing used as a source of B vitamins and as a palatant that makes food taste better to dogs. It has a long folk reputation for repelling fleas, but controlled studies have not shown a meaningful effect. In small amounts it is a useful, harmless addition.
How many UK dog foods contain brewer's yeast?
914 UK products list brewer's yeast as an ingredient in our database. The full list is shown above, sorted by rating.
Show 2 more questions
What else is brewer's yeast called on labels?
Manufacturers list it under several names: saccharomyces cerevisiae, dried brewer's yeast, brewers yeast, fermented saccharomyces cerevisiae. We match all of these to the same glossary entry when we read a label.
How does Open Dog Food grade brewer's yeast?
We grade it good, our highest grade, reserved for recognisable ingredients that add real nutritional value. Every ingredient is converted to its dry-matter share and scored from our glossary before a recipe gets its 1-100 rating; the full method is on our methodology page.