{"data":{"id":"us/21-cfr-582.3637","jurisdiction":"us","citation":"21 CFR 582.3637","heading":"Potassium metabisulfite.","body":"(a) Product. Potassium metabisulfite.\n(b) [Reserved]\n(c) Limitations, restrictions, or explanation. This substance is generally recognized as safe when used in accordance with good manufacturing or feeding practice, except that it is not used in meats or in food recognized as source of vitamin B1.","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 582—SUBSTANCES GENERALLY RECOGNIZED AS SAFE","Subpart D—Chemical Preservatives"],"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":"97ae0de8e8192677a7f3617037354f5833c13806457cbdf34e722daf2aa95202","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-582.3616","next":"us/21-cfr-582.3640"},"notice":"GroundRules: Original legal text. Not legal advice."}