Glutathione: What It Is, Why You Need It, How You Can Increase It The Amino Company Glutathione is an antioxidant that's made up of the three amino acidsglutamine, glycine, and cysteineall of which are rich in the mineral sulfur. The main functions of glutathione are to fend off Glutathione The Ultimate Antioxidant Purifi IV Chemical structure of glutathione (GSH), a tripeptide made up of Download Scientific Diagram WHAT IS GLUTATHIONE AND WHERE IS IT PRODUCED? Glutathione is a substance made from the amino acids: glycine, cysteine and glutamic acid. It is produced by the liver. FUNCTIONS OF GLUTATHIONE: It