NAC vs Glutathione: Differences, Similarities And Health Benefits What is glutathione and why must we protect patient access to it? Functions of glutathione. Download Scientific Diagram 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 system enhancement for cardiac protection: pharmacological options against oxidative stress and ferroptosis Cell Death & Disease