Magnesium carbonate is a compound used to regulate acidity and prevent caking in powdered foods. It can also serve as a nutrient supplement.

Magnesium Carbonate

Found In

  • Beverages
  • Powdered drinks
  • Supplements
  • Table salt

Also Known As

  • E504

The Beverage Bottom Line

Magnesium carbonate is authorized for use in the U.S., Europe and Canada.

 

This ingredient may have authorizations in countries not included on this site.

International Assessments and Authorizations

U.S. Food And Drug Administration (FDA)

Affirmation by FDA this ingredient is generally recognized as safe as a direct human food ingredient. (GRAS FDA-Affirmed)

In 2006, dietary reference intakes for magnesium were reviewed by the National Academies of Sciences, Engineering and Medicine.

In 1975, the health aspects of carbonates and bicarbonates as food ingredients were evaluated.

FDA describes nutrition facts labeling requirements.

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European Food Safety Authority (EFSA)

Authorized for use in the EU (nutrient, additives).

 

In 2015, EFSA issued an opinion on dietary reference values for magnesium.

In 2009, 2010 and 2013, EFSA assessed health claims for magnesium.

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Joint FAO/WHO Expert Committee on Food Additives (JECFA)

Safe for intended uses.

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Health Canada

Safe for intended uses.

 

In 2006, dietary reference intakes for magnesium were reviewed by the National Academies of Sciences, Engineering and Medicine.

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This page was last updated on 6/30/2025.