Recruitment or activation of mast cells in the liver aggravates the accumulation of fibrosis in carbon tetrachloride induced liver injury ScienceDirect Glutathione Cell Defense (Formally Recancostat 400) Mark Hyman, MD 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 Cell Overview Thermo Fisher Scientific US Glutathione Reductase Assay Kit Sufficient for 100 colorimetric tests Sigma Aldrich