Endogenous formaldehyde scavenges cellular glutathione resulting in redox disruption and cytotoxicity Nature Communications Glutathione is such a critical soldier in our line of defense that our bodies make it themselves. We even have mechanisms that recycle and reuse it. But what happens when our toxic Glutathione Animation Differentiating Changes in Glutathione Levels from Cytotoxic Events Using Multiplexed Assays Your Glutathione Index Defines How Your Cells Are Ageing