[A diet and nutritional therapy of osteoporosis].

Calcium intake, in particular, has never been sufficient in Japan, according to the national nutrition survey conducted by the Ministry of Health and Welfare. Based on this fact, adequate intake of calcium from normal daily diet would be difficult. From the viewpoint of prevention, daily diet and nutrient intake are important. Especially, adequate intake of calcium is one of the important means to prevent osteoporosis. On the other hand, there are a great deal of studies about development of calcium supplements. Calcium supplementing might take after meal, if calcium intake from diet is inadequate. Proper calcium intake together with nutrient balance should be maintain for the prevention of osteoporosis.