Trophic vitamin D promotes the absorption of phosphorus and calcium. Calcium consumption, when combined with an adequate intake of vitamin D, a healthy diet and regular exercise, can reduce the risk of developing osteoporosis. Helps prevent vitamin D deficiency. Trophic vitamin D is a fat-soluble vitamin known for its bone-protecting effects. Vitamin D is used to increase bone mass and prevent bone loss, protect against muscle weakness and strengthen teeth. It is also used to prevent rickets and postmenopausal osteoporosis. It is effective in preventing bone and muscle disorders such as osteoporosis (reduced bone mass) and osteomalacia (softening of the bones).