Ingredient

Magnesium Sulfate

Source
Not animal-derived
Allergen
No
Role in food
Magnesium sulfate is used in beverages as a nutrient to fortify the product with …

What is Magnesium Sulfate?

Magnesium sulfate is a mineral salt that occurs naturally in some minerals and is also produced industrially. It is composed of magnesium, sulfur, and oxygen. It is often found in crystalline form and can be produced through various chemical reactions.

Is Magnesium Sulfate vegan?

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

Is Magnesium Sulfate gluten-free?

It does not contain gluten.

Is Magnesium Sulfate a major allergen?

Magnesium sulfate is not derived from any of the 9 FDA major allergens.

What is Magnesium Sulfate used for?

Magnesium sulfate is used in beverages as a nutrient to fortify the product with magnesium.

Is Magnesium Sulfate safe?

In the U.S., magnesium sulfate is Generally Recognized As Safe (GRAS) by the FDA for use in food.

Why it's used

Magnesium sulfate is used in beverages as a nutrient to fortify the product with magnesium. It can also act as a firming agent in some food products. It is commonly found in bottled waters, fruit juices, and other beverages.

Health notes

In the U.S., magnesium sulfate is Generally Recognized As Safe (GRAS) by the FDA for use in food. It is a source of magnesium, an essential mineral for human health. International bodies like JECFA have evaluated magnesium sulfate. At typical intake levels found in fortified foods, it is not associated with adverse health effects. However, very high doses can have a laxative effect.

Allergen info

Magnesium sulfate is not derived from any of the 9 FDA major allergens. It does not contain gluten.

Foods that contain Magnesium Sulfate

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

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.