Reasons to Get a Glutathione Injection Century Medical & Dental Center Glutathione is the body's primary internal antioxidant, made using the amino acid cysteine, and it helps protect cells from oxidative stress. Beyond detoxification, research shows glutathione is involved in thyroid hormone metabolism, Glutathione is such a critical soldier in our line of defense that our bodies make it themselves. We even have mechanisms that recycle and reuse it. But what happens when our toxic Glutathione an overview ScienceDirect Topics Who Offers Glutathione IV Therapy in San Antonio, TX? Glutathione C10H17N3O6S CID 124886 PubChem