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When guidelines for healthy, balanced eating are followed, protein comprises about one-tenth to one-third of a child’s or an adolescent’s total daily caloric intake. Proteins are found primarily in meat, poultry, fish, legumes, nuts, seeds, and dairy products. They are also found in some whole grains and vegetables. Proteins serve a critical role in infant and pediatric growth. From 6 months to 13 years of age, 58% of dietary protein is used to support growth; from 14 to 18 years, 43%.1  Proteins provide structure to all cells of the body, including major organs and muscle tissue. They also function...

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