Is E921 Halal?
Cystine - Animal-derived from poultry/hair; requires halal certification or synthetic/plant alternative
📋 Guidance for Muslims
E921 has a doubtful status. It can be derived from either plant or animal sources. Without specific certification, the origin cannot be verified. When in doubt, avoid.
Common Products Containing E921
This additive is commonly found in bread, baked goods, margarine, ice cream, chocolate, and processed foods. Always check the label or scan with HalalCheck.