casno. :
There are 8 kinds of essential amino acids, which cannot be synthesized by the human body.
Features of 8 Kinds Of Complex Amino Acids
These amino acids are very important and must be ingested through food. These amino acids are called essential amino acids. They are: lysine, tryptophan, phenylalanine, methionine, threonine, isoleucine, leucine and valine
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