21 C.F.R. § 582.5260 Copper gluconate.
Title 21 - Food and Drugs
(a) Product. Copper gluconate. (b) Tolerance. This substance is generally recognized as safe for use at a level not exceeding 0.005 percent in accordance with good manufacturing or feeding practice.
Title 21: Food and Drugs
PART 582—SUBSTANCES GENERALLY RECOGNIZED AS SAFE
Subpart F—Nutrients and/or Dietary Supplements
§ 582.5260 Copper gluconate.