1. What is baby cod liver oil? Baby cod liver oil is a nutritional supplement whose main ingredient is shark liver oil or liver extract of deep-sea fish. It is rich in nutrients such as vitamins A, D and Omega-3 fatty acids, which play an important role in the growth and development of infants and young children. 2. Why do babies need to supplement cod liver oil? Due to changes in modern people\’s lifestyles and eating habits, many people have problems with nutritional imbalance. For infants and young children, they are in the growth and development stage and need more nutrients to support the normal operation of various body functions. Therefore, add appropriate amounts of