Dr. Glutathione (GSH) is the most prevalent, powerful antioxidant in the body and recharges other antioxidants, but our ability to produce it declines as we age. That's why it's a Supporting Your Immune System Naturally with Glutathione Dr Hagmeyer Roles of glutathione in animals Antioxidant defense Download Table Amazon.com: Liposomal Glutathione Supplement 500mg Pure L Glutathione (GSH) Reduced Active Form, Made with Organic Whole Food, Non GMO Phospholipid Complex Antioxidant 120 Count : Health & Household