Trucal Alpha capsule is used as bone joint supplement.It contains Calcium Carbonate and Alfacalcidol. Role of key ingredients:Calcium carbonate is a mineral that is required for the formation of bones and maintaining them. Calcium carbonate is required to prevent breakage of bones. Calcium is used to prevent or treat low blood calcium levels in people who do not get enough calcium from their diets.Alfacalcidol is a vitamin D supplement. Alfacalcidol can help maintain calcium levels and help the body use calcium and phosphate to maintain healthy bones. Alfacalcidol is used for treating conditions in which calcium metabolism is disturbed. It is also used in disorders associated with Vitamin D deficiency and in calcium malabsorption. It helps in the development of bone mass provide relief from muscle and bone pain and also enhances metabolism. This is a dietary supplement that should be taken to avoid calcium disorders. Trucal Alpha is used in elderly people to keep bones healthy and strong and is even effective in Chronic arthritis and Osteoporosis.  Use under medical supervision.