Amino acid, nonessential: An amino acid that can be made by humans and so is not essential to the human diet. There are 11 nonessential amino acids: alanine, arginine, asparagine, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine.
Quick GuideFat-Burning Foods in Pictures: Blueberries, Green Tea, and More
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Last Editorial Review: 5/13/2016