{"data":{"id":"us/21-cfr-335.10","jurisdiction":"us","citation":"21 CFR 335.10","heading":"Antidiarrheal active ingredients.","body":"The active ingredient of the product consists of any one of the following when used within the dosage limits established for each ingredient in § 335.50(d):\n(a) Bismuth subsalicylate.\n(b) Kaolin.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER D—DRUGS FOR HUMAN USE","PART 335—ANTIDIARRHEAL DRUG PRODUCTS FOR OVER-THE-COUNTER HUMAN USE","Subpart B—Active Ingredients"],"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":"fdc96aacdc11a692db6d0d469257db0c8de179ff0a128627cd37be2576461afc","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-335.3","next":"us/21-cfr-335.50"},"notice":"GroundRules: Original legal text. Not legal advice."}