Magnesium Oxide
Magnesium oxide is a source of magnesium. It is a multi-purpose ingredient that can act as a nutrient, humectant, anticaking agent or acidity regulator.
Found In
- Beverages
- Foods
- Infant formula
- Beverages
- Foods
- Infant formula
Also Known As
- Calcined Magnesia
- E530
- Calcined Magnesia
- E530
The Beverage Bottom Line
Magnesium oxide is authorized for use in the U.S., Europe and Canada.
This ingredient may have authorizations in countries not included on this site.
Magnesium oxide 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
FDA U.S. Food And Drug Administration
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 1976, magnesium salts as ingredients were evaluated for health aspects.
FDA describes (a, b) nutrition facts labeling requirements.
Learn more →EFSA European Food Safety Authority
JECFA Joint FAO/WHO Expert Committee on Food Additives
Safe for intended uses.
Learn more →Health Canada
Safe for intended uses (anticaking). Permitted as a supplemental ingredient.
In 2006, dietary reference intakes for magnesium were reviewed by the National Academies of Sciences, Engineering and Medicine.
Learn more →This page was last updated on 6/30/2025