The pleasant fruity tasting Collagen Osteo Drink contains an innovative triple combination of calcium with vitamins D3 and K2 together with a special, concentrated collagen, which can easily be absorbed by the body, and vitamin C. Calcium is needed for maintenance of normal bones and the vitamins D and K contribute to maintenance of normal bones. Vitamin C contributes to normal collagen formation for the normal function of skin, bones and cartilage.