Calcium Carbonate
Also known as: Chalk, Limestone, Aragonite, Calcite
ColorantsAcidity RegulatorsAnti-caking AgentsLeavening AgentsStabilizers
Safety rating
Generally Safe
Eat Away!Generally SafeUse SparinglyAvoid
Purpose and Function
Calcium Carbonate is a naturally occurring mineral used as a leavening agent in baking, a stabilizer and anti-caking agent in dairy and processed foods, a whitening agent in confectionery, and a calcium-fortification supplement.
Commonly found in
- —Bread, cakes, and pastries
- —Cheese, milk powder, and non-dairy creamers
- —Candies and chewing gum
- —Calcium supplements
Key functions
- —Acts as a leavening agent
- —Stabilizes and prevents caking
- —Fortifies foods with calcium
Potential Risks and Side Effects
- 01Overconsumption, particularly via supplements, may cause hypercalcemia — kidney stones, digestive issues, impaired absorption of magnesium/zinc
- 02Naturally occurring in the body, so generally well tolerated with no significant allergy risk
- 03Mild digestive discomfort possible at excessive supplement intake
