Ingredient

Magnesium Carbonate

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Source
Not animal-derived
Allergen
No
Role in food
Magnesium carbonate is used as an anti-caking agent to prevent powders from clumping, and …

What it is

Magnesium carbonate is a white, powdery mineral that occurs naturally. It can be synthesized by reacting magnesium salts with sodium carbonate. It is commonly used as a food additive.

Why it's used

Magnesium carbonate is used as an anti-caking agent to prevent powders from clumping, and as a leavening agent in baked goods. It can also be used as a colorant and a source of magnesium. It is found in products like baked goods, powdered mixes, and some beverages.

Health notes

In the U.S., magnesium carbonate is Generally Recognized As Safe (GRAS) by the FDA for use as a food additive. It is a source of magnesium, an essential mineral. JECFA has evaluated magnesium carbonate and established an Acceptable Daily Intake. Evidence does not suggest adverse health effects at typical dietary intake levels.

Allergen info

Magnesium carbonate is not derived from any of the nine FDA major allergens. It does not contain gluten.

Products containing Magnesium Carbonate

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Last updated: September 28, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.