Three drops of Life-Flo Liquid Iodine Plus 2 oz supplies the body with 150 micrograms (the recommended daily allowance) of iodine. Iodine promotes healthy function of the thyroid gland, which sustains normal energy levels and metabolic rate, as well as encouraging healthy skin, hair, and nails. This USP standard solution is flavorless and can conveniently be taken with an eyedropper.