Natural Factors N'Acetyl L-Cysteine (NAC) 500 mg capsules contain
a highly stable form of cysteine, an important sulfur-containing amino
acid. NAC is a precursor to glutathione, a critical antioxidant scientifically
proven to scavenge free radicals. NAC has the unique ability to maintain
healthy lung tissue, support the body's natural defenses and enhance cellular
health and longevity. These qualities make NAC especially beneficial for active
people, the elderly and those exposed to polluted environments.