Ingredient

Natural Sea Salt Magnesium Carbonate

Source
Not animal-derived
Allergen
No
Role in food
Manufacturers add magnesium carbonate to salt to keep it free-flowing and prevent it from …

What is Natural Sea Salt Magnesium Carbonate?

Natural sea salt magnesium carbonate is a food additive that prevents caking in salt. It is derived from magnesium carbonate, a mineral that occurs naturally as the compound magnesite. It is produced by reacting magnesium compounds with carbon dioxide.

Is Natural Sea Salt Magnesium Carbonate vegan?

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

Is Natural Sea Salt Magnesium Carbonate a major allergen?

Not a major allergen.

What is Natural Sea Salt Magnesium Carbonate used for?

Manufacturers add magnesium carbonate to salt to keep it free-flowing and prevent it from clumping together, especially in humid conditions.

Is Natural Sea Salt Magnesium Carbonate safe?

Magnesium carbonate is generally recognized as safe (GRAS) by the FDA for use as an anti-caking agent in salt.

Why it's used

Manufacturers add magnesium carbonate to salt to keep it free-flowing and prevent it from clumping together, especially in humid conditions. It is commonly found in table salt and other salt blends used in packaged foods.

Health notes

Magnesium carbonate is generally recognized as safe (GRAS) by the FDA for use as an anti-caking agent in salt. It is a source of magnesium, an essential mineral. JECFA has evaluated magnesium carbonate and established an acceptable daily intake. Typical amounts used in food are unlikely to cause adverse health effects.

Allergen info

Not a major allergen.

Foods that contain Natural Sea Salt Magnesium Carbonate

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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: 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.