Cymbiotika Glutathione Glutathione is often called the master antioxidant for a reason This powerhouse works at a cellular level to support overall wellness, not just surface level glow. Here's what it actually does: 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), Is Glutathione the Master Antioxidant? Heres What Science Says