Gluten-Free, Non-GMO, LE Certified Supplement. Potassium iodide is a salt of stable iodine that is absorbed by the thyroid gland. It is strictly for emergencies to prevent uptake of radio-iodine into the thyroid. For adults, take 1 tablet. For ages 3 to 18, take 1/2 tablet. For children 1 month to 3 years old, take 1/4 tablet. For newborns to 1 month old, take 1/8 tablet. Ingredients: Microcrystalline cellulose, stearic acid, silica, vegetable stearate, pharmaceutical glaze. Caution: If you are sensitive to iodine, consult your doctor before taking this product. Keep out of reach of children. Do not exceed the recommended dosage. Do not purchase if the outer safety seal is broken or damaged. If you are receiving treatment for a medical condition, or are pregnant or lactating, consult your doctor before taking nutritional supplements. Keep the lid tightly closed and keep in a cool place. Store in a dry place.