Zinc methionine sulfate
For Zinc methionine sulfate, jurisdiction is US FDA (21 CFR 172–178); status is permitted; citation is 21 CFR 172.399; use conditions is 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; cas no. is 56329-42-1, recorded from its source on 2026-08-15.
- Additive
- Zinc methionine sulfate verified
- Jurisdiction
- US FDA (21 CFR 172–178) our reading
- Status
- permitted our reading
- Citation
- 21 CFR 172.399 our reading
- Use conditions
- 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. verified
- CAS No.
- 56329-42-1 verified
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
§ 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.
— ecfr.gov, retrieved 2026-08-15
Source
- ecfr.govhttps://www.ecfr.gov/current/title-21/chapter-I/subchapter-B/part-172