NAC (N-Acetyl L-Cysteine) Powder

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N-Acetyl L-Cysteine (NAC) is a supplement form of the amino acid cysteine. Amino acids are the building blocks of protein in our bodies and play multiple roles in maintaining our health. NAC has a molar mass of 163.195 g·mol−1 and the chemical formula C5H9NO3S.

N-Acetyl L-Cysteine supplement Benefits and Uses

NAC is required for the production of an important anti-oxidant glutathione. As a supplement, it is therefore taken primarily taken for its perceived role in antioxidant production and liver detoxification.

N-Acetyl L-Cysteine supplements are also known by a few different names, including:

  • Cysteine Hydrochloride
  • Acetylcysteine
  • Fabrol
  • L-Cysteine

Scientific consensus

Supplementing with this product is likely to be safe, taken at dosages between 600–1,800 mg/day. N-Acetyl L-Cysteine may cause side effects including nausea, vomiting, diarrhea, and constipation.

WARNING: Do not take N-Acetyl L-Cysteine with a class of medications called nitrates, especially Nitroglycerin.

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The statements on this page have not been evaluated by the FDA. The products on this page are not intended to diagnose, treat, cure, or prevent any disease.
February 16, 2021
Jonathan M.
NAC (N-Acetyl L-Cysteine) Powder

I've been a Liftmode customer for several years and am always satisfied with the quality of the products offered. For online businesses this is crucial for their continuation. When having purchased this I had compared the cost/amount with several other vendors. This came out to be the most cost effective for the amount spent. Plus with discount coupons only Liftmode offers, it came out to be even less. This was a nice addition to my stack that focuses on liver health and one that lasted for many months. With the free shipping and loyalty discounts being given, it's always my first choice to shop here.

Serving size is 600 mg. As a dietary supplement, take 1-2 servings up to 2 times per day. Please start with the lowest suggested single serving quantity to assess response.

Supplement Facts

Serving size: 600mg
Servings per container:
Amount per serving: % DV

N-Acetyl L-Cysteine (NAC)

600 mg
LiftMode offers a variety of unit sizes of HPLC-tested NAC (N-Acetyl L-Cysteine) Powder, including a a 5g unit, a 100g unit, a 200g unit and a 500g unit. Our NAC (N-Acetyl L-Cysteine) Powder is of the highest quality.
Store securely in a dry cool location away from direct sunlight. Keep out of reach of children and pets. Do not take this or any other supplement, and instead consult doctor about use, if you are under the age of 18, pregnant or breastfeeding, taking prescription or OTC / nonprescription drugs, or if you have any known or suspected medical conditions. Do not use if product safety seal was damaged or missing upon receipt.
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Scientifically Tailored Ingredients

NAC (N-Acetyl L-Cysteine) is an acetylated form of the semi-essential amino acid Cysteine which has an additional active compound; acetic acid. The acetic acid within NAC helps to increase the bioavailability of the contained L-Cysteine when taken orally as a supplement.

NAC is vital to the biosynthesis of a powerful antioxidant known as Glutathione. NAC has also been found to play an important role in the detoxification of the liver and kidneys. NAC may also be used to improve mood and reduce addictive cravings.

– Powerful Antioxidant
– Promotes a Healthy Liver
– Boosts Brain Health

Sansone, R. A., & Sansone, L. A. (2011). Getting a Knack for NAC: N-Acetyl-Cysteine. Innovations in clinical neuroscience, 8(1), 10–14.

Mokhtari, V., Afsharian, P., Shahhoseini, M., Kalantar, S. M., & Moini, A. (2017). A Review on Various Uses of N-Acetyl Cysteine. Cell journal, 19(1), 11–17.

Goodson, A. (2018) Top 9 Benefits of NAC (N-Acetyl Cysteine). Available at: