Ask the Doctors What do glutathione supplements do? UCLA Health Detox from the Inside Out with Glutathione IV Therapy Glutathione is an amino acid and that acts as a powerful antioxidant to preserve and protect the brain and other body tissues by protecting them from the damage of free radicals and What Is Glutathione? Health Benefits, Risks, and More Your Complete Guide to Glutathione Schoenwalder Health & Wellness