锌是人体不可缺少的微量元素,补锌可以促进儿童身体及智力发育。而美国专家日前进一步指出,年龄为12至13岁的儿童补锌最有利于提高其智力,此时补锌等于补智。锌对蛋白质合成起重要作用。之前科学家研究认为,缺锌可引起食欲减退、异食癖(如吃土、吃墙皮等)、免疫功能降低;严重缺 Zinc is an indispensable trace element of the human body, zinc can promote children’s physical and mental development. The U.S. experts further pointed out that children aged 12 to 13 years, the most beneficial to improve their zinc, zinc, zinc supplementation is tantamount to wisdom. Zinc plays an important role in protein synthesis. Previous scientists believe that zinc deficiency can cause loss of appetite, pica (such as eating soil, eating gullets, etc.), reduced immune function; a serious shortage