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 deficiency induces epigenetic alterations of vitamin D metabolism genes in the livers of high fat diet fed obese mice Scientific Reports What is glutathione and why must we protect patient access to it? The Role of Glutathione Metabolism in Chronic Illness Development and Its Potential Use as a Novel Therapeutic Target Cureus Changes in levels of the antioxidant glutathione in brain and blood across the age span of healthy adults: A systematic review ScienceDirect