Ingredient

Potassium Iodide 0.006

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Source
Not animal-derived
Allergen
No
Role in food
Potassium iodide is added to foods, especially salt, to help prevent iodine deficiency. Iodine …

What it is

Potassium iodide is a chemical compound made from potassium and iodine. It is a white crystalline solid. It is often used as a source of iodine in foods and dietary supplements.

Why it's used

Potassium iodide is added to foods, especially salt, to help prevent iodine deficiency. Iodine is an essential nutrient that the body needs to make thyroid hormones. These hormones help regulate metabolism.

Health notes

In the US, potassium iodide is Generally Recognized As Safe (GRAS) by the FDA when used as a nutrient supplement. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) has evaluated potassium iodide and established guidelines for its use. While essential for thyroid function, very high intakes of iodine can affect thyroid health in some individuals.

Allergen info

Potassium iodide is not derived from any of the 9 major allergens recognized by the FDA. It does not contain gluten.

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Last updated: September 28, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.