Glutathione: Master Antioxidant, Reducing Oxidative Stress, and Detoxification Mast cells are hypersensitive immune cells that release histamine and other inflammatory mediatorsoften in response to oxidative stress, environmental toxins, and immune imbalance. Many patients with MCAS have low levels of glutathione. Mast cells are hypersensitive immune cells that release histamine and other inflammatory mediatorsoften in response to oxidative stress, environmental toxins, and immune imbalance. Many patients with MCAS have low levels of glutathione. Glutathione Cell Defense Glutathione conjugates of the mercapturic acid pathway and guanine adduct as biomarkers of exposure to CEES, a sulfur mustard analog Analytical and Bioanalytical Chemistry Springer Nature Link Can Liposomal Glutathione Support Detoxification and Cellular Energy in Long COVID and ME CFS? RTHM