Glutathione and Vitamin C: Do They Work Together? Life Extension What is Glutathione Glutathione Reporter Glutathione is such an important antioxidant in human physiology, meaning it acts to combat oxidative stress. Strategies for increasing glutathione include: Consume sulfur rich foods like cruciferous vegetables Ensure you get Life Extension Glutathione, Cysteine & C Powerful Antioxidants to Su Hebron Nutrition Our Science Nacuity Pharmaceuticals