"Iodine (potassium iodide) provides nutritional iodine to help ensure adequate dietary intake, as part of a healthy diet. Potassium iodide is a more consistent and reliable form of iodine than seaweed and kelp. Each vegetarian capsule provides 225 ug of iodine for optimal nutritional intake. Iodine contributes to the normal production of thyroid hormones and normal thyroid function."