Essential Amino Acids (our body does not produce)
Histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine
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Conditional Amino Acids (only needed when body is ill or stressing)
Arginine, cysteine, glutamine, tyrosine, glycine, ornithine, proline, and serine.