Ingredient Category Microbial Ingredient

Phaffia yeast

Ingredient record found in evidence.pet/ product ingredient information. Source products linked; evidence review pending.

Brewer’s yeast

Ingredient record found in evidence.pet/ product ingredient information. Source products linked; evidence review pending.

Spirulina

Spirulina in fish diets: compare goldfish live-feed enrichment with koi pigment research, and understand why ingredient presence is not proof of product performance.