Protein is one of three major sources of calories in the diet. It provides the body with material for building blood cells, body tissue, hormones, muscle, and other important substances. It is found in meats, eggs, milk, beans, legumes, vegetables, starches, and nuts.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.