Natural living. With iodine & potassium iodide. First choice. Optimal health. Color of liquid may vary slightly. Discussion: Three drops of Liquid Iodine Plus provides 150 mcg of iodine per daily serving which is the recommended daily allowance that the body needs. Our own laboratory analysis guarantees purity and freshness of all Life-flo products. USP standard. www.lifeflo.com. Comments or Questions: 800-277-1966. No animals were used to test this product.