Calcium D3 is a supplement for calcium and vitamin D3, the main components of which are calcium carbonate and vitamin D3, and is often used in people with calcium deficiencies. It is also often used for patients who have suffered a bone fracture in the later stages of the fracture process. Since calcium is an important component of the body’s bone synthesis, and the inorganic salts in bones are calcium and phosphorus salts, calcium preparations are usually given to patients in the late stages of fracture. Calcium ions are involved in the activity of the body’s nerves and in the contraction movement of the body’s muscles. Blood coagulation in the human body is also inextricably linked to calcium ions. When the human body has insufficient calcium, many uncomfortable symptoms will occur, and even cause some diseases. Calcium D3, on the other hand, has a more obvious therapeutic effect on osteoporosis and some other diseases caused by calcium deficiency. When women prevent osteoporosis, they can also take Calcium D3 tablets. Two weeks after the fracture, the bone scab starts to form gradually, and the new bone needs a lot of calcium, which can promote the healing of the bone.