Potassium iodide.
21 C.F.R. § 582.5634
in effectEffective: 2024-07-01(a) Product. Potassium iodide.
(b) Tolerance. 0.01 percent.
(c) Limitations, restrictions, or explanation. This substance is generally recognized as safe when used in table salt as a source of dietary iodine in accordance with good manufacturing or feeding practice.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-21.xmlFetched: 7/26/2026
