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Ingredient:

Magnesium oxide

Magnesium oxide, or magnesia, is a white mineral powder used as a source of magnesium in dietary supplements. It is also used as an excipient in oral formulations to bind excess water and to modify the pH (acidity or alkalinity) 1. Magnesium oxide is considered generally recognized as safe (GRAS) for use in foods by the U.S. Food and Drug Administration (FDA) (21CFR184.1431) 2.

References

  1. Handbook of Pharmaceutical Excipients. Washington, DC: Pharmaceutical Press and American Pharmacists Assn, 2006.