It is used for treatment and prevention of low calcium levels and resulting bone conditions including osteoporosis (weak bones due to low bone density), rickets (a condition in children involving softening of the bones), and osteomalacia (a softening of bones involving pain) and to treat low level of Vitamin- D

It can cause some minor side effects such as belching or gas.

Patients with Renal calculi, hypercalciuria, hypophosphatemia, hypercalcemia