By supplementing the body with calcium, ionized calcium can play the following roles: 1. It can enhance the hardness, strength and mechanical properties of bones, which is very obvious in preventing osteoporosis and preventing back and knee weakness, back and leg pain. 2. It can maintain the normal activities of nerves and muscles, which is very strong in preventing muscle convulsions. 3. It can make the integrity and stability of cell membranes in the body more enhanced, which can It can develop a lot of physiological functions, thus promoting physical health.