Why NAC (N Acetylcysteine) in an IV? Reduces oxidative stress NAC helps replenish glutathione, one of your body's most powerful antioxidants. Supports detoxification Assists in clearing toxins Glutathione vs. NAC: Which Antioxidant Is Best for Your Liver? Life Extension The REAL Reasons To Use N Acetylcysteine (NAC) NAC vs Glutathione: Differences, Similarities And Health Benefits NAC [N AcetylCysteine] is a precursor of Glutathione. PICTURE: Glutathione is made from three amino acids and cysteine is one of them NAD vs Glutathione: Key Differences and Benefits Explained Goldman