Nonessential amino acid

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noun, plural: nonessential amino acids

An amino acid in which an organism is able to synthesize in sufficient amounts, thus may not be necessary in the diet


Naturally occurring amino acids may be classified as either essential or nonessential. In humans, nonessential amino acids include alanine, arginine, aspartic acid, asparagine, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine.

Also called:

  • dispensable amino acid


See also: