NAC 600mgPure Encapsulations NAC provides 600mg of N acetyl cysteine in free form for optimal absorption. This amino acid derivative is manufactured using high quality, pure ingredients and is free from unnecessary additives and common allergens. N acetyl cysteine works as a cellular antioxidant and serves as a precursor to glutathione, one of the body's most important antioxidants. NAC has a high affinity for lung tissue, where it provides mucolytic and