Loading... Please wait...

Add to Wish List

Click the button below to add the N-Acetyl-L-Cysteine to your wish list.


  • Image 1

Product Description


  • N-Acetyl-L-Cysteine
  • 600 mg, 60 vegetarian capsules
  • Item Catalog Number: 01534

Researchers have long known that N-acetyl-L-cysteine, an antioxidant compound, supports bronchial and respiratory health. At the core of its power is its ability to support healthy cellular levels of glutathione. But now a wave of new research is showing powerful benefits on overall health. More than 30 placebo-controlled studies on cellular glutathione have shown that N-acetyl-L-cysteine can affect energy production, well-being, and quality of life. Today, N-acetyl-L-cysteine is prized as a highly bioavailable nutrient that supports your immune system, helps protect neurons during times of oxidative stress, and enhances liver function.

Benefits at a Glance:

  • Readily bioavailable with immediate effects inside the body
  • Supports production and regeneration of glutathione, an internal antioxidant
  • Proven effects on quality of life, immune function, and overall health
  • Supports healthy liver metabolism of lipids
  • Supplies nutritional support to neurons in times of oxidative stress

At the core of N-acetyl-L-cysteine's power to benefit overall health1 is its ability to support healthy cellular levels of glutathione,2-4 which is used by all cells for protection against free radical damage and insults from foreign compounds. It directly contributes to glutathione production and stimulates enzymes involved in maintaining healthy glutathione levels.

N-acetyl-L-cysteine is also a powerful nutrient in its own right, providing support for the immune system and liver.5-9 It is quickly and readily absorbed into the body and begins to provide direct cellular protection throughout the body.10-23

If you're looking for a highly bioavailable, powerful nutrient that benefits overall health and promotes glutathione production, add 600-1,800 mg N-acetyl-L-cysteine to your nutrient regimen today.


  1. Curr Opin Pharmacol. 2007 Aug;7(4):355-9.
  2. Toxicol Appl Pharmacol. 2015 Jul 1;286(1):17-26. 
  3. PLoS One. 2015 Jan 24;10(1):e0114285. 
  4. Mol Cell Biochem. 2015 Jul;405(1-2):105-14.
  5. Immunology. 2001 Dec;104(4):431-8.
  6. Eur Respir J. 1997 Jul; 10(7): 1535-41.
  7. J Immunol. 1994 Jun 15;152(12):5796-805.
  8. Biochem Pharmacol. 1992 Mar 3;43(5):961-4.
  9. J Nutr. 2008 Oct;138(10):1872-9
  10. Biochem Pharmacol. 2008 Feb 1;75(3):773-80.
  11. Environ Health Perspect. 2008 Jan;116(1):26-31.
  12. J Cardiovasc Surg (Torino). 2008 Aug;49(4):527-31.
  13. Int J Sport Nutr Exerc Metab. 2008 Aug;18(4):379-88.
  14. Klin Wochenschr. 1991 Nov 15;69(18):857-62.
  15. J Pharmacol Exp Ther. 1986 Feb;236(2):526-34.
  16. Blood Purif. 2007;25(4):309-15.
  17. Kidney Int. 2007 Aug;72(3):359-63.
  18. Kidney Int. 2007 Aug;72(3):231-2.
  19. BMC Neurosci. 2007 Dec 6;8:106.
  20. J Cell Biochem. 2015 May 4. doi: 10.1002/jcb.25193. [Epub ahead of print] 
  21. Clin Biochem. 2015 Apr 25. pii: S0009-9120(15)00141-1. doi: Epub ahead of print]
  22. Parkinsonism Relat Disord. 2015 May;21(5):500-3.
  23. Nutr J. 2015 Jan 6;14:4. doi: 10.1186/1475-2891-14-4.



Supplement Facts

Serving Size 1 vegetarian 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 with or without food, or as recommended by a healthcare practitioner.

Those who supplement with NAC should drink 6 to 8 glasses of water daily in order to prevent cysteine renal stones. Cysteine renal stones are rare but do occur.

  • 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, contact1-866-280-2852.

Find Similar Products by Category

Write your own product review

Product Reviews

This product hasn't received any reviews yet. Be the first to review this product!

Our Newsletter