1. Nutrients needed by babies Nutrients needed by babies include protein, fat, carbohydrates, vitamins and minerals. Among them, protein is necessary for the growth and development of babies, while fat provides energy and vitamins. Carbohydrates are the main source of energy, and vitamins and minerals are important for all aspects of physical development. 2. Advantages of Breastfeeding Breastfeeding is the best way of feeding because breast milk is rich in nutrients.