[Code of Federal Regulations] [Title 21, Volume 3] [Revised as of April 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR172.375] [Page 51-52] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 172_FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN CONSUMPTION--Table of Contents Subpart D_Special Dietary and Nutritional Additives Sec. 172.375 Potassium iodide. The food additive potassium iodide may be safely used in accordance with the following prescribed conditions: (a) Potassium iodide may be safely added to a food as a source of the essential mineral iodine, provided the maximum intake of the food as may be consumed during a period of one day, or as directed for use in the case of a dietary supplement, will not result in daily ingestion of the additive so as to provide a total amount of iodine in excess of 225 micrograms for foods labeled without reference to age or physiological state; and when age or the conditions of pregnancy or lactation are specified, in excess of 45 micrograms for infants, 105 micrograms for children under 4 years of age, 225 micrograms for adults and children 4 or more years of age, and 300 micrograms for pregnant or lactating women. [[Page 52]] (b) To assure safe use of the additive, in addition to the other information required by the Act, the label of the additive shall bear: (1) The name of the additive. (2) A statement of the concentration of the additive in any mixture.