Glutathione synthesis in the mouse liver supports lipid abundance through NRF2 repression Nature Communications Glutathione: ever heard of the master antioxidant? It's time to understand this powerhouse active what it does, why it matters, and how it supports your skin from within. Swipe to get the Why Glutathione is Called the 'Master Antioxidant' and What It Means f Setu Nutrition 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),