NOW Foods Now Foods Supplements, NAC (N-Acetyl-Cysteine) 1,000 mg, Free Radical Protection*, 60 Tablets

Immune System Support* Supports Liver Health* N-acetyl cysteine (NAC) is a stable form of the non-essential amino acid cysteine. It is a sulfur-containing amino acid that acts as a stabilizer for the formation of protein structures, and promotes the formation of glutathione.* Glutathione is a powerful free radical scavenging compound that also helps to maintain normal, balanced immune system function.* In addition, NAC can help to support healthy brain and neuronal tissues.* Natural color variation may occur in this product.