If your baby usually consumes more DHA, there is usually no need for additional supplementation. DHA is a kind of unsaturated fatty acid, baby moderate supplementation, can promote brain and optic nerve development. 1. do not need to supplement: if the baby is breastfed, the mother usually intake of DNA more food, such as deep-sea fish, nuts, etc., and the baby digestion and absorption ability is good, this situation can be from the breast milk intake of DHA. or the baby is formula-fed, the milk powder contains a sufficient amount of DHA, in this case, generally do not need to take additional supplement. 2. need to supplement: if the breastfeeding baby mom usually diet is monotonous, or the baby’s body is relatively weak absorption function is not good, or add complementary food baby is picky, usually less intake of DHA, this situation can be appropriate to the baby supplement DHA. Baby supplement DHA is recommended to follow the doctor’s advice to supplement, should be to choose the regular manufacturers of quality products, it is recommended that you can add supplemental food baby appropriate supplement some deep-sea fish, nuts and other foods.