21 C.F.R. § 582.1425
Magnesium carbonate
(a) Product. Magnesium carbonate.
(b) Conditions of use. This substance is generally recognized as safe when used in accordance with good manufacturing or feeding practice.
(a) Product. Magnesium carbonate.
(b) Conditions of use. This substance is generally recognized as safe when used in accordance with good manufacturing or feeding practice.