Strong bones are the foundation of good health! High potency NaturesPlus Cal/Mag/Vit D3 with Vitamin K2 is an advanced formulation, employing the most effective and bioavailable bone nutrients available. A potent combination of calcium and magnesium form the basis of skeletal structure. But only NaturesPlus Cal/Mag/Vit D3 with K2 comes supercharged with 1000 IU of Vitamin D3 and 100 mcg of K2 menatetrenone, the most effective form of Vitamin K, for superior absorption and deposition of essential bone minerals. For complete skeletal support and an overall feeling of health, well-being and vitality, choose NaturesPlus Cal/Mag/Vit D3 with K2!