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Encyclopedia of Nutritional Psychology

Essential Amino Acids

Evidence-informed definition Updated May 19, 2026 How to cite this entry

Essential amino acids are a group of nine amino acids that the human body cannot synthesize independently and must obtain through dietary sources. They are essential for various physiological processes and must be included in a balanced diet.

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Written by The Center for Nutritional Psychology
Reviewed by CNP Encyclopedia Editorial Board
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The Center for Nutritional Psychology. (2026). Essential Amino Acids. In Encyclopedia of Nutritional Psychology. The Center for Nutritional Psychology.

https://www.nutritional-psychology.org/encyclopedia/essential-amino-acids/
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