Ingredient

As Magnesium Oxide

Source
Not animal-derived
Allergen
No
Role in food
Magnesium oxide is often added to foods as a nutrient supplement to provide magnesium. …

This entry is a label phrase. See the main ingredient page: Magnesium Oxide.

What is As Magnesium Oxide?

Magnesium oxide is a mineral compound made of magnesium and oxygen. It is typically produced by heating magnesium carbonate or magnesium hydroxide, which are naturally occurring minerals. It appears as a white powder.

Is As Magnesium Oxide vegan?

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

Is As Magnesium Oxide gluten-free?

It does not contain gluten.

Is As Magnesium Oxide a major allergen?

Magnesium oxide is not derived from any of the nine FDA major allergens.

What is As Magnesium Oxide used for?

Magnesium oxide is often added to foods as a nutrient supplement to provide magnesium.

Is As Magnesium Oxide safe?

In the U.S., magnesium oxide is generally recognized as safe (GRAS) by the FDA when used as a nutrient or for other specified purposes.

Why it's used

Magnesium oxide is often added to foods as a nutrient supplement to provide magnesium. It can also function as an acidity regulator, helping to control the pH of food products. It is commonly found in dietary supplements, fortified foods, and some dairy products.

Health notes

In the U.S., magnesium oxide is generally recognized as safe (GRAS) by the FDA when used as a nutrient or for other specified purposes. It is a source of dietary magnesium, which is an essential mineral. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) has evaluated magnesium oxide. Evidence regarding the health effects of magnesium oxide at typical dietary intake levels is generally consistent with its role as a source of magnesium.

Allergen info

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

Foods that contain As Magnesium Oxide

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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.