Bone soup cannot be used as calcium supplement. The calcium content in bone soup is very limited. Bone soup contains more collagen, which is the real benefit of bone soup. The best natural food for calcium supplementation is shrimp skin. But even if you take enough calcium every day, you can't guarantee that you don't lack calcium. The key point of calcium supplementation is to bask in the sun regularly. Sunbathing can help people get vitamin D, which is also the main source of vitamin D, also known as "sunshine vitamin". The source of vitamin D3 contained in human skin is made by obtaining ultraviolet rays from sunlight and converted into vitamin D, which can help the human body absorb calcium and phosphorus and make children's bones grow strong and strong. Can be used for preventing rickets and rickets in children. For adults, it can prevent osteoporosis and rheumatoid arthritis. As long as the face is exposed, 400 international units of vitamin D can be produced by sunlight every day 1 hour. It is not recommended to take calcium tablets to supplement calcium, which is difficult to absorb.