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Protein


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Protein is an essential nutrient made up of building-block chemicals called amino acids. Protein provides energy and is needed for the body to make new cells, to maintain and rebuild muscles, to carry other nutrients, to act as messengers in the body, and to support the immune system.


Last Updated: September 29, 2009
Medical Review:
Michael J. Sexton, MD - Pediatrics

Rhonda O'Brien, MS, RD, CDE - Certified Diabetes Educator


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