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Definition and context
Proteins are essential macronutrients composed of amino acids. They are vital in building and repairing tissues, enzymes, hormones, and immune function.
Author and reviewer
Editorial responsibility
Written by
Ephi Lu
Reviewed by
CNP Encyclopedia Editorial Board
References and further reading
- Daly JM, Reynolds J, Sigal RK, Shou J, Liberman MD. Effect of dietary protein and amino acids on immune function. Critical Care Medicine. 1990;18(2 Suppl):S86-S93. doi:10.1097/00003246-199002001-00004. View source
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How to cite this entry
Encyclopedia of Nutritional Psychology. (2026). Protein. The Center for Nutritional Psychology.
https://dev.nutritional-psychology.org/encyclopedia/protein/
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