It is a combination product containing Calcium, Vitamin D3 (Cholecalciferol) and Vitamin K2 (menaquinone-7) that helps strengthen bones and aids in the treatment/prevention of osteoporosis, osteomalacia, hypo-parathyroidism and other bone disorders or to overcome deficiencies of calcium and Vitamin D3 in certain populations and disease states. It is also used to improve and maintain bone mineral density (BMD), bone health and strength .