{"data":{"id":"us/21-cfr-582.5590","jurisdiction":"us","citation":"21 CFR 582.5590","heading":"Phenylalanine.","body":"(a) Product. Phenylalanine (L- and DL-forms).\n(b) Conditions of use. This substance is generally recognized as safe when used in accordance with good manufacturing or feeding practice.","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 F—Nutrients and/or Dietary Supplements 1"],"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":"c4ab89b4b86e92bf238e738f73fd26fd0fa1713f4138d81f9328aa259d2de351","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-582.5580","next":"us/21-cfr-582.5622"},"notice":"GroundRules: Original legal text. Not legal advice."}