Pharmacological Effects of Urolithin A and Its Role in Muscle Health and Performance: Current Knowledge and Prospects Glutathione system enhancement for cardiac protection: pharmacological options against oxidative stress and ferroptosis Cell Death & Disease Ask the Doctors What do glutathione supplements do? UCLA Health Cold plunges have also been shown to increase glutathione levels in studies. Glutathione is your body's most powerful antioxidant, and it ensures that all other antioxidants work properly. Come unwind with us!