Potassium iodide

Potassium iodide is an inorganic salt that occurs naturally in sea water and salt deposits. It is used in dietary supplements as a source of iodine. Potassium iodide is considered generally recognized as safe for use as a nutrient supplement in foods by the U.S. Food and Drug Administration (FDA) (21CFR184.1634) 1.


  1. Food and Drug Administration. EAFUS: A Food Additive Database. 10-17-2008. 12-4-2008.