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. Role of glutathione in oxidative stress. During oxidative stress there Download Scientific Diagram Effects of cancer induced cachexia and administration of l glutathione on the intestinal mucosa in rat Amino Acids Springer Nature Link 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 Reductase from bakers yeast (S. cerevisiae)