NOW Foods NAC 1,000 mg is a premium dietary supplement designed to support your body's natural defense and detoxification systems. NAC is a stable sulfur-containing amino acid that acts as a highly effective precursor to glutathione, one of the body's most powerful master antioxidants. By helping to replenish cellular glutathione levels, NAC supports healthy immune function, respiratory health, and overall cellular longevity, making it an essential addition to your daily wellness routine.

Provides 1,000 mg of high-potency N-Acetyl Cysteine per serving Acts as a precursor to glutathione, supporting powerful cellular antioxidant defenses Promotes healthy respiratory function and supports normal immune system pathways Assists the body's natural liver detoxification and cleansing processes Quality tested and manufactured to strict GMP standards for purity and potency