N-Bone sachet is composed of Cholecalciferol/ vitamin D3. One sachet contains 1gm Cholecalciferol and it is given to treat or prevent deficiency of vitamin D and calcium. It is also given to patients during the treatment of osteoporosis and bone disorder. This vitamin is essential as it supports cell growth, healthy bones & teeth and immune function. Vitamin D3 deficiency can cause weakness, muscle pain and fracture. As a supplement, cholecalciferol sachet can be given to elder people and growing children.