Dietary supplement. Source Naturals Potassium Iodide may be used when it is desirable to maintain a high level of beneficial iodides in the thyroid gland. Iodide is a form of iodine that is preferentially taken up by the thyroid gland. This product also supports the body's normal detoxification processes, including the removal of heavy metals. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.) Suitable for vegetarians and hypoallergenic: contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.