C.F.R. » Title 21 » CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES › SUBCHAPTER E—ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS › PART 582—SUBSTANCES GENERALLY RECOGNIZED AS SAFE › Subpart F—Nutrients and/or Dietary Supplements 1

21 C.F.R. § 582.5431

Magnesium oxide

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(a) Product. Magnesium oxide.

(b) Conditions of use. This substance is generally recognized as safe when used in accordance with good manufacturing or feeding practice.