Calcit SG 0.25mg Capsules (80) contains alfacalcidol, a form of vitamin D used to treat or prevent conditions related to calcium deficiency, such as osteoporosis, rickets, and hypocalcemia. Alfacalcidol helps regulate calcium and phosphate levels in the body, supporting bone health and preventing bone loss. The product comes in a bottle of 80 capsules, providing a sufficient supply for long-term use under medical supervision to manage calcium metabolism disorders.