Glutathione IV Therapy: What You Need to Know What is Glutathione IV Used For? Fallbrook Medical Center Glutathione facts: 1. Glutathione is an important antioxidant in the body that helps protect cells from damage caused by free radicals. It is found in almost every cell and is composed of Glutathione Benefits Glutathione is a powerful antioxidant that supports overall wellness from the inside out. It helps reduce stress effects, improve sleep quality, support skin health, strengthen the immune system, Glutathione as a skin whitening agent: Facts, myths, evidence and controversies Indian Journal of Dermatology, Venereology and Leprology Glutathione Injection Side Effects: Common Reactions and How to Manage Them