We need more than just calcium to build strong bones. many of us do not get adequate magnesium or enough vitamin d-nutrients critical for supporting calcium absorption and utilisation. chelated cal-mag provides: highly bioavailable calcium, magnesium and vitamin d3. ✓ contributes to the maintenance of normal muscle function and the development and maintenance of bones and teeth. ✓ calcium intake, when combined with sufficient vitamin d, a healthy diet and regular exercise, may reduce the risk of developing osteoporosis. ✓ 3 tables provide 500iu of vitamin d3. ✓ pharmaceutically pure, seashell-derived calcium. ✓ exclusive double amino acid chelation to promote higher calcium and magnesium absorption. ✓ formulated with the preferred 2:1 ratio of calcium to magnesium to support optimum bone health.