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N-Acetyl-L-Cysteine (NAC)

600 mg, 60 capsules Item # 01534

N-Acetyl-L-Cysteine, 600 mg, 60 capsules

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Best Seller

N-Acetyl-L-Cysteine (NAC)

600 mg, 60 capsules Item # 01534

Oral NAC (or N-Acetyl-L-Cysteine) supplements encourage healthy glutathione levels—so you can stay at your best. This 600 mg N-acetyl-L-cysteine formula is easy to absorb.

Gluten free Non-GMO
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AutoShip Price: $10.75
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$0.18/count | 20 - 60 Day Supply

First shipment within 1 business day with FREE standard shipping.

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$0.20 / count | 20 - 60 Day Supply

Great evidenced based supplement!

Mark, Tulsa, OK

There is so much to love about this product

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This product is great, the best!

Susan, Tempe, AZ

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N-Acetyl-L-Cysteine (NAC)

600 mg, 60 capsules


$0.20/count | 20 - 60 Day Supply

What Is N-Acetyl-L-Cysteine?

As a dietary supplement, N-acetyl-L-cysteine supports comprehensive health in a variety of ways, including promoting normal liver function. NAC is a powerful antioxidant that protects cells from oxidative stress.

Supplement with N-Acetyl-L-Cysteine to promote healthy glutathione levels.

N-Acetyl-L-Cysteine Benefits

  • Powerful antioxidant
  • Promotes healthy glutathione levels
  • Encourages liver health & function

Fight Back Against Oxidizing Free-Radicals

N-acetyl-L-cysteine is a powerful antioxidant that protects your cells from oxidative stress.


Why Should I Supplement With N-acetyl-L-cysteine?

N-acetyl-L-cysteine. It's a mouthful to say for sure. But it provides health benefits for your whole body, especially for your respiratory system, liver and immune health.

Also known as NAC, this potent nutrient is a chemical precursor to a powerful antioxidant that protects your cells from oxidative stress. Studies also show that NAC favorably affects your energy production, well-being and even your quality of life. Based on this research and other impressive studies, our experts formulated our N-Acetyl-L-Cysteine nutritional supplement. Gluten-free and non-GMO, our NAC contains 600 milligrams of this potent, rapidly absorbed nutrient.

So, support immune health and liver function, as well as protect yourself from oxidative stress. Choose N-Acetyl-L-Cysteine from Life Extension.

Reviewed by Dr. Michael A. Smith, MD: Director of Education and Spokesperson for Life Extension.

N-acetyl-L-cysteine is an easily-absorbed nutrient with potent benefits for whole body health.1 N-acetyl-L-cysteine also helps maintain your body's supply of glutathione. N-acetyl-L-cysteine and glutathione have powerful antioxidant effects.2-5

These statements have not been evaluated by the Food and Drug Administration.
These products are not intended to diagnose, treat, cure, or prevent any disease.

Serving Size 1 capsule

Amount Per Serving


600 mg

Other ingredients: vegetable cellulose (capsule), vegetable stearate, silica.


Dosage and Use
  • Take one (1) capsule one to three times daily, or as recommended by a healthcare practitioner.
  • Do not purchase if outer seal is broken or damaged.
  • When using nutritional supplements, please consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.

To report a serious adverse event or obtain product information, contact 1-866-280-2852.

Actual Size

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  1. Antioxidants (Basel). 2019;8(5)
  2. Free Radic Res. 1999;31(4):273-300.
  3. J Pharmacol Sci. 2008;108(3):227-38.
  4. Brain Behav. 2014;4(2):108-22.
  5. Cell Chem Biol. 2018;25(4):447-459.e4.

Product reviews are provided for informational purposes only and reflect solely the views and opinions expressed by the contributors and not those of Life Extension. We do not verify or endorse any claims made in these reviews. Full product reviews disclaimer

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