N acetylcysteine (NAC) is an antioxidant and anti inflammatory compound that helps the body reduce oxidative stress by boosting levels of glutathione, one of the body's main natural defenses against inflammation. In a study L Glutathione 500mg LAC Glutathione vs Vitamin C: Which Is Better for Skin Glowing? Glutathione 2000mg and Vitamin C 5000mg available now. Suggested dosage Glutahione 1g, and Vitamin C 2G per session. All those big numbers listed on Glutahione brands like Glutamax means nothing. Available at