Soy Protein Isolate in Pet Food

Grade D-4 ptsLegumes

What It Is

"Highly concentrated protein fraction from soybeans."

Health Impact

Allergen-heavy protein concentrate. The most processed form of soy. Dogs with soy allergies will react to this. Not appropriate as a primary protein source. Score: 1/10.

Why This Grade

A meaningful red flag: an unnamed source, heavy processing into a by-product or digest form, or documented regulatory scrutiny in at least one country. -4 pts deducted.

Sources & Further Reading

Frequently Asked Questions

Is Soy Protein Isolate safe for dogs and cats?

Rated D (-4 pts) by PetPro-tectors™. Allergen-heavy protein concentrate. The most processed form of soy. Dogs with soy allergies will react to this. Not appropriate as a primary protein source. Score: 1/10.

What is Soy Protein Isolate in pet food?

Highly concentrated protein fraction from soybeans.

Related Legumes Ingredients

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

PetPro-tection League™