我国各地区抽样调查结果表明,缺钙是我国营养学上亟待解决的首要问题。钙是人体内含量最多的矿物质元素,占成人体重的1.5％～2％,其中99％贮存于骨骼和牙齿中,对人体细胞的生长及各器官功能的正常发挥起着至关重要的作用。正常 The results of sample surveys in various regions of China show that calcium deficiency is the most important issue to be solved urgently in nutrition in China. Calcium is the most abundant mineral element in the human body, accounting for 1.5% -2% of the adult body weight, of which 99% is stored in the bones and teeth and plays a crucial role in the growth of human cells and the normal functioning of various organs . normal