1. Daily Nutrients Needed by Babies When babies are one year old, they can already start to eat solid foods such as whole wheat bread and multigrain rice, but they still need to consume enough nutrients to support the development and growth of the body. The following are the main nutrients your baby needs every day: 1. Protein: You need to consume about 10-15 grams of protein every day, which can be obtained from eggs, beans, fish, etc.