Broad Spectrum Health
Unleash the power of N-Acetyl Cysteine (NAC), a potential game-changer in promoting overall health, from combating oxidative stress to supporting mental health



N-Acetyl Cysteine (NAC), a variant of the amino acid L-cysteine, is a supplement that has been on the radar of health enthusiasts and medical professionals alike for its array of potential health benefits. From providing potential relief to individuals with chronic respiratory conditions to showing promise in mental health treatment, NAC is increasingly recognized as a potential powerhouse supplement.1

What is N-Acetyl Cysteine (NAC)?

NAC is a derivative of the naturally occurring amino acid L-cysteine. It serves as a precursor to glutathione, one of the body’s most critical antioxidants. Glutathione plays a vital role in reducing oxidative stress, which can lead to chronic illness and aging.2

What does N-Acetyl Cysteine (NAC) do?

NAC performs several functions within the body, many of which are tied to its role as a precursor to glutathione. It is most commonly used in medicine to help manage acetaminophen (paracetamol) overdose, which can lead to severe liver damage. NAC helps to replenish glutathione stores, aiding in liver detoxification and preventing damage.3

In addition, NAC may help alleviate symptoms of chronic respiratory conditions by acting as a mucolytic agent, breaking down mucus in the lungs and improving overall respiratory health.4 It may also have beneficial effects on mental health, as some research suggests it could aid in the treatment of obsessive-compulsive disorder (OCD) and substance abuse disorders.5


Why Would Someone Take N-Acetyl Cysteine (NAC)?

Given its wide array of potential benefits, many people might consider taking NAC as a dietary supplement. Individuals who struggle with chronic respiratory conditions, such as chronic obstructive pulmonary disease (COPD) or asthma, might use NAC to manage their symptoms.6 Moreover, due to its role in brain health and evidence suggesting potential benefits for mental health conditions, individuals struggling with mental health disorders might also consider using NAC as part of their treatment regimen.7


Health Benefits of N-Acetyl Cysteine (NAC)

  1. Liver Health: NAC’s role in mitigating acetaminophen toxicity is well-established, showcasing its liver-protective qualities. It can help increase levels of glutathione in the liver, aiding detoxification and potentially mitigating damage caused by oxidative stress and inflammation.8
  2. Respiratory Health: By acting as a mucolytic agent, NAC can help break down mucus in the lungs, potentially providing relief for individuals with chronic respiratory conditions. Regular intake of NAC may result in fewer and less severe lung attacks in individuals with COPD.9
  3. Mental Health: There is emerging evidence that NAC may have benefits in a range of mental health conditions, including depression, bipolar disorder, and obsessive-compulsive disorder (OCD). Studies have suggested that NAC may help alleviate symptoms of these conditions, likely due to its role in regulating glutamate and replenishing glutathione in the brain.7
  4. Immune Support: NAC has been studied for its potential to boost the immune system. By replenishing glutathione and reducing oxidative stress, NAC may help support overall immune function.10
  5. Heart Health: NAC may help reduce heart disease risk factors. Some studies suggest that NAC might help lower levels of homocysteine, a compound linked to an increased risk of heart disease, and decrease oxidative damage in heart tissue.11



N-Acetyl Cysteine (NAC) is a versatile supplement, offering a range of potential benefits for various health concerns. From liver health to respiratory wellness, mental health support, and more, NAC has a multitude of potential applications that make it an interesting supplement to consider for anyone looking to optimize their health. As always, it’s important to consult with a healthcare professional before beginning any new supplement regimen. More research is required to fully understand the potential benefits and risks associated with NAC, but existing studies provide promising evidence for its use in supporting overall health and well-being. You can purchase NAC as a dietary supplement here.



  1. Bridgeman, M. B., & Abazia, D. T. (2017). Medicinal Chemistry and Pharmacological Potential of N-Acetyl Cysteine (NAC). Mental Health Clinician, 7(3), 93–99. Link
  2. Rushworth, G. F., & Megson, I. L. (2014). Existing and potential therapeutic uses for N-acetylcysteine: The need for conversion to intracellular glutathione for antioxidant benefits. Pharmacology & Therapeutics, 141(2), 150-159. Link
  3. Hodgman, M. J., & Garrard, A. R. (2012). A review of acetaminophen poisoning. Critical Care Clinics, 28(4), 499-516. Link
  4. Koechlin, C., Couillard, A., Simar, D., Cristol, J. P., Bellet, S., Hayot, M., & Prefaut, C. (2004). Does oxidative stress alter quadriceps endurance in chronic obstructive pulmonary disease? American Journal of Respiratory and Critical Care Medicine, 169(9), 1022-1027. Link
  5. Grant, J. E., Chamberlain, S. R., Odlaug, B. L., Potenza, M. N., & Kim, S. W. (2017). N-acetylcysteine, a glutamate modulator, in the treatment of trichotillomania: a double-blind, placebo-controlled study. J Clin Psychiatry, 74(7), 672-677. Link
  6. Stey, C., Steurer, J., Bachmann, S., Medici, T. C., & Tramèr, M. R. (2000). The effect of oral N-acetylcysteine in chronic bronchitis: a quantitative systematic review. European Respiratory Journal, 16(2), 253-262. Link
  7. Berk, M., Malhi, G. S., Gray, L. J., & Dean, O. M. (2013). The promise of N-acetylcysteine in neuropsychiatry. Trends in Pharmacological Sciences, 34(3), 167-177. Link
  8. Larson, A. M. (2007). Acetaminophen hepatotoxicity. Clinics in Liver Disease, 11(3), 525-548. Link
  9. Dekhuijzen, P. N. (2004). Antioxidant properties of N-acetylcysteine: their relevance in relation to chronic obstructive pulmonary disease. European Respiratory Journal, 23(4), 629-636. Link
  10. Lewington, S., Clarke, R., Qizilbash, N., Peto, R., & Collins, R. (2002). Age-specific relevance of usual blood pressure to vascular mortality: a meta-analysis of individual data for one million adults in 61 prospective studies. The Lancet, 360(9349), 1903-1913. Link
  11. Lewington, S., Clarke, R., Qizilbash, N., Peto, R., & Collins, R. (2002). Age-specific relevance of usual blood pressure to vascular mortality: a meta-analysis of individual data for one million adults in 61 prospective studies. The Lancet, 360(9349), 1903-1913. Link