{"data":{"id":"us/21-cfr-573.580","jurisdiction":"us","citation":"21 CFR 573.580","heading":"Iron-choline citrate complex.","body":"Iron-choline citrate complex made by reacting approximately equimolecular quantities of ferric hydroxide, choline, and citric acid may be safely used as a source of iron in animal feed.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER E—ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS","PART 573—FOOD ADDITIVES PERMITTED IN FEED AND DRINKING WATER OF ANIMALS","Subpart B—Food Additive Listing"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"3b33aaf4f8daa58b99bf94b13778ac96201afcad3d6a513da24d3a251f55acf4","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-573.560","next":"us/21-cfr-573.587"},"notice":"GroundRules: Original legal text. Not legal advice."}