Glutathione 500 mg Plus 21st Century Vitamins 21st Century Vitamins How Can You Fight Free Radicals and Delay Aging? OXIDATIVE STRESScan contribute to hypothyroid symptoms When the body has to deal with too much Oxidative Stress from inflammation, then the enzyme Glutathione Peroxidase [GPx] has to work overtime to inactivate damaging " 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 BioTracker 625 Red GSH Dye Live cell imaging dye for glutathione (GSH) that detects reactive oxygen species (ROS) free radicals. Sigma Aldrich Glutathione Injections: Side Effects & Benefits