Multi Mineral Formula High Calcium for Bone Health Iron-Free Formula Non-GMO A Dietary Supplement Minerals Family Owned Since 1968 GMP Quality Assured Now Full Spectrum Mineral Caps is a comprehensive combination of the most important dietary minerals used by the body. This formula contains recommended potencies of essential minerals, including Calcium for strong bones and teeth and Zinc for immune system support. Plus, Full Spectrum Mineral Caps is an iron-free supplement and has 1:1 ratio of Calcium to Magnesium.