Your body has a built in defense system most people never think about until fatigue, inflammation, or skin changes start showing up. It is often described as the body's master antioxidant. It plays 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 Antioxidant Potential of Glutathione and Crosstalk with Phytohormones Encyclopedia MDPI