<prompt> True about glutathione is4 amino acidsGamma peptideAlpha peptide3 amino acids  <response>: Glutathione -tripeptide-also called gamma-glutamyl cysteinyl glycine. It consists of 3amino acids glutamic acid, glycine, cystein. It is produced from miester cycle gamma-glutamyl cyclecatalysed by gamma-glutamyl transferase.Ref: DM Vasudevan - Textbook of Biochemistry for Medical Students, 7th edition, page no: 198 