鱼肝油的主要成分是维生素A和维生素D,两者皆是人体必需的脂溶性维生素,既不能缺乏,也不能过量。一般情况下,通过膳食摄入过量营养素的可能性不大,尤其是婴幼儿,由于胃容量的限制、母乳或配方乳粉中营养素的含量相对稳定,通过饮食摄入过量营养素的风险相对较小。因此专家建议,食用配方粉的婴幼儿无需额外补充鱼肝油。纯母乳喂养的婴幼儿在日照不充足的情况下,可在医生指导下适当补充维生素D制剂,但 The main components of cod-liver oil is vitamin A and vitamin D, both are the body fat-soluble vitamins, neither lack nor excess. Under normal circumstances, the possibility of excess dietary intake of nutrients is unlikely, especially in infants and young children, due to the limitations of the stomach, breast-milk or formula milk powder nutrient content is relatively stable, the risk of eating excess nutrients by diet is relatively small . Therefore, experts suggest that formula-fed infants and young children do not need additional supplemental cod liver oil. Breastfeeding infants and young children in the case of insufficient sunshine, under the guidance of a doctor appropriate vitamin D preparations, but