Amino acid derivative

N acetylcysteine, or NAC, is the N acetyl derivative of the amino acid cysteine. It is a precursor of glutathione, the main intrac...

Carnitine is a compound synthesized in the liver and kidneys from the amino acids lysine and methionine, and its name comes from t...

Beta hydroxy beta methylbutyrate, known as HMB, is a metabolite of the essential amino acid leucine. Only a small fraction of diet...