婴幼儿婴幼儿对维生素D的需求量相对较大,如果缺乏,容易导致佝偻病。但婴幼儿难从食物中获取足量维生素D,再加上出外活动少,难以靠晒太阳来合成维生素D。对于母乳喂养的婴幼儿,建议家长从孩子出生后1~2周起,到孩子2岁左右,按说明书要求,每天服用鱼肝油或其他维生素D补充剂。对于配方奶喂养的婴幼儿,由于很多配方奶中含有维生素D,可以不予补充。对于混合喂养的婴幼儿,可酌情减量服用维生素D补充剂。 Infants and young children on vitamin D demand is relatively large, if the lack of easily lead to rickets. However, it is difficult for infants and young children to get enough vitamin D from food, and with few outbound activities, it is difficult to synthesize vitamin D from the sun. For breastfeeding infants and young children, it is recommended that parents from 1 to 2 weeks after birth to children about 2 years old, according to manual requirements, daily intake of cod liver oil or other vitamin D supplements. For formula fed infants and young children, because many formula milk contains vitamin D, can not be added. For mixed feeding of infants and young children, may take appropriate doses of vitamin D supplements.