Protein
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.
| By | Healthwise Staff |
| Primary Medical Reviewer | John Pope, MD - Pediatrics |
| Specialist Medical Reviewer | Rhonda O'Brien, MS, RD, CDE - Certified Diabetes Educator |
| Last Revised | August 29, 2011 |
WebMD Medical Reference from Healthwise
Last Updated:
August 29, 2011
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