Life Extension N-Acetyl-L-Cysteine, 600 mg, 60 capsulesLife Extension N Acetyl L Cysteine (NAC) provides powerful antioxidant support and promotes optimal cellular health. NAC is a stable form of the amino acid cysteine that helps the body produce glutathione one of the most important antioxidants for detoxification, immune defense, and liver protection. Synonym Names NAC Supplement, N Acetyl Cysteine Capsules, Antioxidant Support Supplement, Glutathione Precursor Key Ingredients N Acetyl L Cysteine (NAC)