Protein purification affordable high quality at Lubio 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 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 and Vitamin C: Powerful Duo in IV Therapy Engineering yeast expression platforms: Advanced strategies for heterologous protein production and glycosylation modification ScienceDirect