Synthetic Calcium Silicate

Synthetic calcium silicate is a manufactured mineral compound made from calcium and silicon. It is produced by reacting calcium salts with silicate salts under controlled conditions. The resulting fine white powder is insoluble in water.

Manufacturers add synthetic calcium silicate as an anti-caking agent to prevent powdered foods from clumping. It helps maintain a free-flowing texture in products like spice mixes, powdered sugar, and grated cheese. It can also be used as a processing aid in other food manufacturing applications.

Synthetic calcium silicate is Generally Recognized As Safe (GRAS) by the FDA for use as an anti-caking agent. It is poorly absorbed by the body and passes through the digestive system. JECFA has evaluated it and set an acceptable daily intake. No significant health concerns are associated with its use at typical levels found in food.