Superior Quality | High-Strength | 6 Month Supply | Vegan | 100% Pure | 600mg NAC per Serving | No Binders | No Artificial Ingredients | Non-GMO | Gluten-Free | Lactose-Free | Clean Supplement 6 months supply of 180 easy-to-swallow capsules providing 600 mg of NAC per serving. N-Acetyl-L-Cysteine (also called N-Acetyl-Cysteine or NAC) is the food supplement form of the natural amino acid Cysteine. NAC is molecularly enhanced to make it easily absorbed. Cysteine is made within the body using building blocks from protein foods including eggs, cheese and meats. At times, our demand for Cysteine increases and our bodies can struggle to make enough. Key benefits of NAC NAC is prized as a supplement for its ability to boost levels of glutathione, the body's most powerful antioxidant. Glutathione traps free radicals, the loose oxygen molecules that damage cells in the heart, arteries and other organs. Free radicals increase when we're ill and when we exercise intensely. As an antioxidant booster, NAC can prevent the muscle damage that comes from intense exercise. It can speed up recovery time after sports, and boost muscle building. It's a mucolitic, helping to dissolve thick mucus. This makes NAC helpful for people with colds, flu and chesty coughs, and even serious lung problems. NAC is sometimes taken to support fertility for men and women. It's thought to encourage more regular ovulation in women and improve sperm motility in men. NAC is widely used as a supplement to support the liver in its work to detox the body. L-cysteine is an important building block for keratin in healthy hair, nails and skin.