Glutathione: a powerful antioxidant for a healthy skin 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 Curious if Glutathione support is right for you? Let's talk about what your body actually needs. Antioxidant Green Factories: Toward Sustainable Production of Vitamin E in Plant In Vitro Cultures ACS Omega