🟡 Glycerin in Pet Food

Grade B-1 ptsOther

What It Is

"Glycerin (glycerol) is a humectant approved by AAFCO for use in pet foods to retain moisture and improve palatability."

Health Impact

Glycerin is a moisture-retaining agent that is generally safe for dogs. However, its source (vegetable or animal-derived) is unspecified, and it adds no nutritional value—it is purely functional for treat texture.

Why This Grade

A minor caveat applies — usually a processing step (e.g. rendering into a meal), a moderate allergen history, or a named-but-fattier source — but nothing on our risk watchlist. -1 pt deducted.

Sources & Further Reading

Frequently Asked Questions

Is Glycerin safe for dogs and cats?

Rated B (-1 pts) by PetPro-tectors™. Glycerin is a moisture-retaining agent that is generally safe for dogs. However, its source (vegetable or animal-derived) is unspecified, and it adds no nutritional value—it is purely functional for treat texture.

What is Glycerin in pet food?

Glycerin (glycerol) is a humectant approved by AAFCO for use in pet foods to retain moisture and improve palatability.

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Sources: FDA, AAFCO Official Publication, National Toxicology Program,
WSAVA Global Nutrition Guidelines, Journal of Animal Science.

PetPro-tection League™