Glutaredoxin catalysis requires two distinct glutathione interaction sites Nature Communications 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 20 Most Asked Questions About Glutathione for Skin The Antioxidant Glutathione Discovered to Play a Key Role in Proper Protein Folding Newswise Glutathione is often called the body's master antioxidant for good reasonit helps detoxify, protect cells, and boost immunity. Supporting your natural levels starts with daily choices like eating sulfur rich foods (broccoli, garlic,