Ingredient

Calciumsulfate

Source
Not animal-derived
Allergen
No
Role in food
Manufacturers add calcium sulfate to foods as a dough conditioner, firming agent, and nutrient …

What is Calciumsulfate?

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.

Is Calciumsulfate vegan?

Calciumsulfate is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is Calciumsulfate gluten-free?

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

What is Calciumsulfate used for?

Manufacturers add calcium sulfate to foods as a dough conditioner, firming agent, and nutrient supplement.

Is Calciumsulfate safe?

Calcium sulfate is generally recognized as safe (GRAS) by the FDA for use in food.

Why it's used

Manufacturers add calcium sulfate to foods as a dough conditioner, firming agent, and nutrient supplement. It helps improve the texture and shelf life of baked goods like bread and tortillas, and is also found in some tofu and canned vegetables.

Health notes

Calcium sulfate is generally recognized as safe (GRAS) by the FDA for use in food. It is a source of calcium and sulfur, which are essential nutrients. JECFA and EFSA have evaluated calcium sulfate and found it to be safe for consumption. No significant health concerns are associated with its typical use in foods.

Allergen info

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

Foods that contain Calciumsulfate

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%DV Explained: 5% Low, 20% High →

Auto-generated content. This description was generated automatically and is pending editorial review. Inaccuracies are possible. Found a mistake? Contact us.

Last updated: October 5, 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.