What does glutathione do? Aktif International Hospital NAD+ vs Glutathione which one do you need? The answer: both. NAD+ fuels your cellssupporting energy, metabolism, and healthy aging. Glutathione protects your cellsreducing oxidative stress and supporting detoxification. They work together 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 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