Baby Dietary Requirements During the growth of your baby, the importance of diet is self-evident. Babies who are one year and three months old are in a period of tremendous physical and intellectual growth, so they need to be particularly particular about their diet. First, your baby should ensure adequate protein intake to support the healthy growth of muscles and bones. Secondly, the baby should consume enough carbohydrates and fats to provide the energy needed by the body. In addition, the baby’s diet should be kept