Medbone-C Tablet contains Calcium Citrate Malate, Calcitriol, and Zinc. Role of key ingredients: Calcium Citrate Malate provides calcium to the body. Calcium is a vital element for the development and growth of bones. Calcitriol is a form of vitamin D which regulates the levels of calcium and phosphorous in the body, and helps in bone mineralization. It is important for the development and proper growth of the body. Zinc Sulphate Monohydrate is used to treat and prevent zinc deficiency. It aids in improving the immune system as well as in the stimulation of various enzymes. Medbone-C Tablet is a calcium supplement which promotes bone health, gives immunity and helps to stay fit. Use under medical supervision.