Ingredient · E516

Calcium Sulphate

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Source
Not animal-derived
Allergen
No
Role in food
Calcium sulfate is used as a firming agent, a dough conditioner, and a source …

What it is

Calcium sulfate is a mineral salt that occurs naturally in rocks and is also produced industrially. It is made by reacting sulfuric acid with calcium carbonate or calcium hydroxide. It is also known as gypsum or plaster of Paris.

Why it's used

Calcium sulfate is used as a firming agent, a dough conditioner, and a source of calcium in foods. It helps maintain texture in canned vegetables and is used in baking to improve dough consistency and bread volume. It is commonly found in baked goods like cakes, cookies, and bread.

Health notes

Calcium sulfate is generally recognized as safe (GRAS) by the FDA for use in food. It is a source of calcium, which is essential for bone health. International bodies like JECFA and EFSA have evaluated calcium sulfate and have not set a numerical limit for its acceptable daily intake. No significant health concerns are associated with its consumption at typical dietary levels.

Allergen info

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

Products containing Calcium Sulphate

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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.