What Is Reduced Glutathione? Benefits, Sources & Uses Most antioxidants do their joband stop. Glutathione goes further. It helps recycle other antioxidants like vitamins C and E, supporting your body's ability to keep fighting oxidative stress. Setria glutathione functions as L Glutathione (Reduced), 500 mg, 120 Veggie Capsules Most antioxidants do their joband stop. Glutathione goes further. It helps recycle other antioxidants like vitamins C and E, supporting your body's ability to keep fighting oxidative stress. Setria glutathione functions as