Amazon.com: 2 Pack NAC Supplement (N Acetyl Cysteine) 1,000mg Serving with Reduced Glutathione, 480 Capsules : Health & Household DID YOU KNOW NAC is a precursor to glutathione, the master antioxidant? This means it boosts your body's natural detox abilities, combats oxidative stress, and promotes overall immune health. Support your body Individuals with MTHFR mutations and slow COMT activity can generally take N acetylcysteine (NAC) and glutathione, but there are some important considerations: ## N Acetylcysteine (NAC) * **Benefits**: NAC supports the production of glutathione, All About NAC (N acetylcysteine): What it is and what benefits it has Zenement Glutathione vs. NAC: Which Antioxidant Is Best for Your Liver? Life Extension