LIFE EXTENSION NAC CAPS 600MG BY is a dietary SUPPLEMENTS, N-acetyl-L-cysteine that supports a comprehensive health in a variety of ways, including promoting normal liver function. NAC is a powerful antioxidant that protects cells from oxidative stress. SUPPLEMENTS with N-Acetyl-L-Cysteine to promote healthy glutathione levels. N-Acetyl-L-Cysteine helps achieve a powerful antioxidant, promotes healthy glutathione levels, encourages liver health & function.