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Casein

Low concern

Casein is a milk protein and a major FDA-recognized food allergen (milk). It is widely used in protein-fortified foods.

Found in

1,564 products

What it is

The major phosphoprotein of cow's milk, isolated by acid or rennet precipitation.

Protein source; emulsifier and texturizer.

Why it's flagged

milk allergen

What regulators actually say

"The major food allergens are milk, eggs, fish, Crustacean shellfish, tree nuts, peanuts, wheat, soybeans, and sesame."

FDA - Food Allergies — fda.gov

Regulatory status

United States — FDA

Recognized food ingredient; milk allergen under FALCPA.

European Union — EFSA

Authorised; milk allergen requiring declaration.

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