The Rockefeller University How the antioxidant glutathione keeps mitochondria healthy Apoptosis and glutathione: beyond an antioxidant Cell Death & Differentiation 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 nicknamed the master antioxidant because it is the most abundant, body produced (endogenous) antioxidant found in every cell, essential for neutralizing free radicals, recycling other antioxidants (like Vitamin C and E), Glutathione synthetase Wikipedia Glutathione Synthesis in Cancer Cells Biochemistry (Moscow) Springer Nature Link