Glutathione oral supplements capsules work well when paired with Glutathione injections and alone if preferred. You can take them with your other daily supplements for excellent skin & health results. Glutathione supports the y glutamyl cycle for transport of amino acids Diagram Quizlet Glutathione, a tripeptide found in virtually all cells, functions as a reducing agent. The structure of glutathione is: What amino acids make up glutathione? Homework.Study.com Glutathione: Master Antioxidant, Reducing Oxidative Stress, and Detoxification