Glutathione is a critical soldier in our line of defense. We even have mechanisms that recycle and reuse it. But what happens when our toxic burden becomes too high? Our genetic detoxification FDA highlights concerns with using dietary ingredient glutathione to compound sterile injectables FDA The cell biology of ferroptosis Nature Reviews Molecular Cell Biology Effects of N acetylcysteine, oral glutathione (GSH) and a novel sublingual form of GSH on oxidative stress markers: A comparative crossover study. ScienceDirect