NOW Foods NAC Pure Powder
- 600mg N-Acetyl Cystein (NAC) per serving
- Supports normal immune system function*
- Designed to maintain cellular health*
- Approx. 188 servings per bottle
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*USA Only. Excludes: AK, HI, orders above 25lbs and bulk orders.
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Powder 4oz
Servings Per Container: 188
† Daily Value (DV) not established.
NOW Foods NAC (N-Acetyl Cysteine) 600 mg Pure Powder, Free Radical Protection*, Cellular Health*, Immune System Function*
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 is also necessary for the formation of glutathione.* Molybdenum and selenium are essential trace minerals that facilitate the production of several important enzymes.*
- FREE RADICAL PROTECTION*/NORMAL IMMUNE SYSTEM FUNCTION*: N-acetyl cysteine (NAC) is a stable form of the non-essential amino acid cysteine.
- MAINTAINS CELLULAR HEALTH*: NAC can help to support healthy brain and neuronal tissues.*
- IMPORTANT NOTE ABOUT THIS PRODUCT: Black spots may appear in NAC because of a normal oxidative reaction, but product is safe to consume. These spots are NOT mold or any other micro-contamination. Micro-testing has been performed to assess product safety.
- GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
- Packaged in the USA by a family owned and operated company since 1968.




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