L Glutathione Antioxidant Support Micro Balance Health Products L Glutamine vs L Glutathione: What's the Difference? H PROOF What is the Difference Between L glutamine vs Glutamine? Glutathione is an antioxidant that's made up of the three amino acids glutamine, glycine, and cysteineall of which are rich in the mineral sulfur. The main functions of glutathione are to fend off Glutamine vs. Glutathione: Their Relationship and Glutamate's Role Troscriptions