Nature's Plus Cal/Mag/Vit D3 1200 Mg/600 Mg/1000 IU with Vitamin K2 - 90 Tablets Nature's Plus Cal/Mag/Vit D 1200 Mg/600 Mg/1000 IU 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 Nature's Plus Cal/Mag/Vit D 1200 Mg/600 Mg/1000 IU with Vitamin 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 Nature's Plus Cal/Mag/Vit D 1200 Mg/600 Mg/1000 IU with Vitamin K2! Nature's Plus Cal/Mag/Vit- D3 with Vitamin K fuses core synergistic essential nutrients for unparalleled bone health support. Biotron-chelated calicum and magnesium work dynamically with the most powerful, most bioavailable forms of Vitamin D3 and Vitamin K2. Nature's Plus Cal/Mag/Vit- D3 with Vitamin K conforms to the strictest standards for purity, including California's Proposition 65. Free from artificial colors and preservatives Free from the common allergens yeast, wheat, corn, and milk CalciumCalcium is the most abundant, essential mineral in the human body. Of the two to three pounds of calcium contained in the average body, 99% is located in the bones and teeth. Calcium is needed to form bones and teeth and is also required for blood clotting, transmission of signals in nerve cells, and muscle contraction. The importance of calcium for preventing osteoporosis is probably its most well-known role. Where is it found Most dietary calcium comes from dairy products. The myth that calcium from dairy products is not absorbed is not supported by scientific research. Other good sources include sardines, canned salmon, green leafy vegetables, and tofu.