What Is Glutathione? 8 Health Benefits That Might Surprise You 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 vs. NAC: Which Is Better for You? NAC vs Glutathione: Differences, Similarities And Health Benefits Glutathione deficiencies were frequently seen in the sickest patients during the pandemic. This explains why individuals with poor diets, obesity or compromised gut health were more likely to have worse disease. # nac #