Glutathione vs. NAC: Which Antioxidant Is Best for Your Liver? Life Extension Tri Fortify Liposomal Glutathione Researched Nutritionals N Acetyl Cysteine supplementation lowers high homocysteine plasma levels and increases Glutathione synthesis in the trans sulfuration pathway Italian Journal of Medicine Wondering if N acetylcysteine (NAC) is as effective as people say? , While NAC helps boost glutathione, it's also packed with sulfur. Too much sulfur, especially from supplements, can lead to