Amino Acids

 Amino acids are the chemical units that make up proteins, the “building blocks” of protein.  There are twenty-eight commonly known amino acids. Nine of these are called essential amino acids. They are: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine. These nine essential amino acids cannot be manufactured by the body and must be obtained from food or supplements.

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