CFR > Title 21 - Food and Drugs > CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER B—FOOD FOR HUMAN CONSUMPTION (parts 100 to 191) > PART 182—SUBSTANCES GENERALLY RECOGNIZED AS SAFE > SUBPART I—Nutrients (§182.8013 to §182.8997) > 182.8159—Biotin.