Always animal

Casein

Common US / international name: casein / caseinate

Origin: Main milk protein fraction from cow or other mammal milk.
Where it typically appears: Cheese, creamers, protein bars, processed meats, some wines (fining).
Product groups: Dairy, Sweets, Drinks, Savory
Source: Open Food Facts ingredients taxonomy (ODbL); food chemistry references. As of September 1, 2026