21 C.F.R. § 582.5260
Copper gluconate
(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.
(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.