Pastore A et al. Analysis of glutathione: implication in redox and detoxification. Clin Chim Acta. 2003 Jul 1;333(1):19-39. PMID: 12809732
“Glutathione...plays a central role in cell biology. It is implicated in the cellular defence against xenobiotics and naturally occurring deleterious compounds, such as free radicals and hydroperoxides… Glutathione is a critical factor in protecting organisms against toxicity and disease."