21 CFR 172.399 - Zinc methionine sulfate.
Zinc methionine sulfate, CAS Reg. No. 56329-42-1, may be safely used in accordance with the following prescribed conditions:
(a) The additive is the product of the reaction between equimolar amounts of zinc sulfate and DL-methionine in purified water.
(b) The additive meets the following specifications:
(c) The additive is used in tablet form as a source of dietary zinc.