Glutathione: Source, Supplementation and Side Effects Glutathione The Master Antioxidant With Enormous Benefits Wellness By Rosh Integrative Wellness Glutathione, what is it? Do I need it? Johnson Chiropractic, Inc. Glutathione is such an important antioxidant in human physiology, meaning it acts to combat oxidative stress. Strategies for increasing glutathione include: Consume sulfur rich foods like cruciferous vegetables Ensure you get