NAC Antioxidant & Detox Support Allergy Research Group NAC Dr. Randolph's Wellness Store How do glutathione and Nacetylcysteine (NAC) compare regarding indications, dosing, effectiveness, and safety for acetaminophen toxicity, mucolytic therapy, and general antioxidant supplementation? Amazon.com: Advanced Complex NAC Supplement (N Acetyl L Cysteine) 600mg with L Glutathione 500mg and Milk Thistle Extract Potent Antioxidant Immune Function Support Respiratory Health Promotes Liver Kidney Detox : Health & Household NAC is a great supplement. It's awesome stuff to support healthy lungs. NAC is a known mucolytic. That is a fancy term meaning breaking up mucus. Now, research does show that NAC Existing and potential therapeutic uses for N acetylcysteine: The need for conversion to intracellular glutathione for antioxidant benefits ScienceDirect