Frontiers Glutathione: A Samsonian life sustaining small molecule that protects against oxidative stress, ageing and damaging inflammation Glutathione is a small protein made of three amino acids. It is often called the master antioxidant because it helps regenerate other antioxidants like vitamin C and vitamin E. Key Benefits Vitamin C Serum and Glutathione Together: The Ultimate Skin Duo WishNew WishNew Wellness Achieve a radiant glow and support strong immunity with Watsons Glutathione, Vitamin C and Vitamin E! These three powerful antioxidants help boost collagen production and protect your skin from free radicals.