Amazon.com: Liposomal Glutathione (Setria 700 mg) Glutathione Glutathione Supplement Active Form Pure Glutathione Enhanced Absorption Non GMO Antioxidant, Detox, Cardiovascular, Immune Health (60 ct) : Health & Household 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, Correlation of liver and blood reduced glutathione levels and neutrophil cell count in honey fed wistar rats Glutathione deficiency is associated with impaired survival in HIV disease PNAS Glutathione Metabolism and Its Implications for Health ScienceDirect