Figure 3 from Glutathione synthesis. Semantic Scholar Curious if Glutathione support is right for you? Let's talk about what your body actually needs. Glutathione: The Body's Master Antioxidant . . Glutathione (GSH) is often referred to by scientists and nutritionists as the "Master Antioxidant." Unlike other antioxidants like Vitamin C or E, which are obtained N ACETYL CYSTEINE SUPPLEMENTATIONRATHER THAN GLUTATHIONE SUPPLEMENTATION GLUTATHIONE is the body's most important antioxidant. Glutathione is the whole molecule already made outside the body and then is taken as a full supplement. But