Dan D 1ml Injection – Cholecalciferol for Vitamin D DeficiencyDan D 1ml Injection Dan D 1ml Injection contains Cholecalciferol (Vitamin D3), an essential vitamin required for calcium absorption, bone health, and overall metabolic functions. It is used to treat or prevent vitamin D deficiency in patients who may not achieve adequate levels through diet or oral supplements. Cholecalciferol plays a critical role in maintaining healthy bones, teeth, and muscle function by supporting calcium and phosphate metabolism.