NAC (n-acetyl-cysteine)

What Is NAC?

Are you looking to for a way to boost your antioxidant protection and stimulate detoxification? If so, NAC may be just what the Naturopathic Doctor ordered! N-acetyl Cysteine (NAC) is the supplemental form of the amino acid L-cysteine. While L-cysteine is present in many foods, NAC can only be supplied via supplementation. NAC is a precursor to glutathione – which is one (if not THE) most important antioxidant. Read more >

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  1. NAC SAP - 90 Caps

    N-Acetylcysteine (NAC) is a precursor to glutathione synthesis and also acts on its own to reduce the effects of reactive oxygen species. NFH NAC SAP has mycolytic properties and decreases viscosity of lung secretions. NAC has been shown by studies to have a protective effect on the liver and has been used to manage acetaminophen overdose, due to its ability to enhance hepatic and mitochondrial...

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  2. NAC 600mg - 100 V-Caps

    NAC From Now Foods N-Acetyl Cysteine (NAC) is a stable form of the non-essential amino acid L-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. Selenium is an essential trace minerals that facilitate the production of several important enzymes. Now offers NAC in 600mg c...

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  3. NAC 1000mg Extra Strength - 120 Tabs

    NOW® NAC 1000mg Extra Strength, N-Acetyl Cysteine (NAC) is a stable form of the non-essential amino acid L-Cysteine. It is a sulfur-containing amino acid that acts as a stabilizer for the formation of protein structures, and promotes the formation of glutathione. Glutathione is a powerful free radical scavenging compound that also helps to maintain normal, balanced immune system function and is...

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  4. N-Acetylcysteine (NAC) 600mg - 90 V-Caps

    N‑Acetylcysteine from New Roots provides 600mg per capsule. N‑Acetylcysteine (NAC) is an acetylated form of the amino acid cysteine which is more efficiently absorbed. Offering potent antioxidant support, N‑Acetylcysteine is helpful when it comes to fighting viruses and loosening phlegm pockets in the lungs during colds & flu for easier expulsion. [CAPS]

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  5. N-Acetylcysteine (NAC) 600mg - 180 V-Caps

    N‑Acetylcysteine from New Roots provides 600mg per capsule. N‑Acetylcysteine (NAC) is an acetylated form of the amino acid cysteine which is more efficiently absorbed. Offering potent antioxidant support, N‑Acetylcysteine is helpful when it comes to fighting viruses and loosening phlegm pockets in the lungs during colds & flu for easier expulsion. [CAPS]

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  6. NAC 600mg - 60 V-Caps

    Nutridom NAC 600 mg delivers N-Acetyl-L-Cysteine, a stable form of the amino acid cysteine, in a convenient vegan capsule. Valued for its antioxidant support, NAC helps replenish glutathione, a key cellular antioxidant, and contributes to overall liver and cellular wellness. This versatile supplement may also support respiratory function and healthy detoxification pathways. Made in Canada with ...

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  7. NAC (N-Acetyl-L-Cysteine) 600mg - 90 V-Caps

    NAC by Pure Encapsulations is a gluten, dairy, soy and GMO free formula that’s suitable for vegans. NAC supports lung and respiratory health and enhances the cellular antioxidant defense system. Known for their dedication to quality, Pure Encapsulations ensures all products are thoroughly tested and are free from contaminants, pesticides, fillers, artificial ingredients and heavy metals. [VCAP]

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  8. NAC 600mg - 180 Caps

    NAC 600mg by Pure Encapsulations provides nutritional support as an antioxidant to protect against free radical damage for the maintenance of good health. N-Acetyl-L-Cysteine is a sulfur-containing amino acid required by the body to make glutathione, a key antioxidant. Pure Encapsulations NAC 600mg provides 600mg of N-Acetyl-L-Cysteine, and helps to scavenge free radicals and reduce oxidative s...

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  9. NAC 900mg - 120 Caps

    Offering powerful free radical protection, Pure Encapsulations NAC 900mg comes in a convenient once-daily capsule format. N-Acetyl-L-Cysteine (NAC) is a derivative of the dietary amino acid l-cysteine. NAC scavenges free radicals and decreases oxidative stress produced by heavy metals to support antioxidant defence. It is also a precursor to the antioxidant glutathione, and supplemental NAC inc...

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  10. NAC 600mg - 200 V-Caps

    Promise's NAC is the natural remedy for chronic bronchitis, autoimmune conditions and chronic pain and inflammation sufferers. Containing 600 mg of N-Acetyl-L-cysteine (N.A.C.), an essential form of an amino acid called cysteine, Promise NAC has little to no side effects - unlike inhaled corticosteroids. In addition, inhaled corticosteroids only suppress the immune system and don't treat bronch...

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  11. NAC 600mg - 120 V-Caps

    NAC from Sisu contains 600mg of N-acetyl-cysteine (N.A.C), the precursor of the amino acids L-cysteine and glutathione. Often used as a natural aid in treating chronic bronchitis, autoimmune conditions, chronic pain and inflammation, NAC will treat your symptoms, boost your immune system with antioxidants, and restore your overall health and wellness. [VCAPS]

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  12. NAC - 90 Caps

    PROMOTE NORMAL LIVER DETOXIFICATION NAC from Thorne Research contains 500mg of N-acetylcysteine for liver support, detoxification and immune support. The N-acetylcysteine (NAC) found in NAC, is a sulfur-containing amino acid, it is the precursor of the amino acids L-cysteine and glutathione, antioxidants produced in the body.

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  13. NAC - 60 V-Caps

    Xymogen’s NAC (N-acetyl-cysteine) provides a stable, sulfur-containing form of L-cysteine that supports the body’s natural antioxidant and detoxification processes. NAC helps replenish glutathione, one of the body’s key protective compounds, and contributes to the neutralization of everyday oxidative stress. It also plays a role in maintaining normal mucous consistency and overall respiratory w...

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  14. NAC (N-Acetyl-L-Cysteine) 500mg - 180 Caps

    500MG ACTIVE CYSTEINE IN THE SUPERIOR "N-ACETYL" FORM. The ideal antioxidant supplement for the modern age! Derived from a natural process of fermentation, Organika's active NAC can help provide optimum antioxidant protection from free radicals caused by enviromental pollution, cigarette smoke and alcohol. Practitioners often recommend it for patients with mercury or heavy metal toxicity (from...

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  15. NAC (N-Acetyl-L-Cysteine) 500mg - 90 Caps

    500MG ACTIVE CYSTEINE IN THE SUPERIOR "N-ACETYL" FORM. The ideal antioxidant supplement for the modern age! Derived from a natural process of fermentation, Organika's active NAC can help provide optimum antioxidant protection from free radicals caused by enviromental pollution, cigarette smoke and alcohol. Practitioners often recommend it for patients with mercury or heavy metal toxicity (from...

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  16. Enhanced NAC 600mg - 150 V-Caps

    Naka Platinum's Enhanced NAC not only contains 600mg of NAC but also contains 250mg of Taurine, 50mcg of Selenium and 50mcg of Molybdenum. Specifically formulated to help and support normal growth and development, Enhanced NAC is a source of antioxidant to help protect against free radicals and maintain and support normal function of the thyroid gland. [VCAPS]

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NAC Benefits



What is N-Acetyl-L-Cysteine (NAC)?

Are you looking to for a way to boost your antioxidant protection and stimulate detoxification? If so, the benefits of NAC may be just what the Naturopathic Doctor ordered!

N-acetyl Cysteine (NAC) is the supplemental form of the amino acid L-cysteine. While L-cysteine is present in many foods, NAC can only be supplied via supplementation. NAC is a precursor to glutathione – which is one (if not THE) of the most important antioxidants in the body and helps detoxify poisons and toxins in the liver, lungs, intestines, and kidneys. Glutathione is one-third glutamate, the most important neurotransmitter in your brain, so NAC has shown to be effective at reducing mood-based symptoms and improving cognitive and dopamine function. As a powerful antioxidant in its own right, NAC detoxifies heavy metals such as mercury and cadmium, protects cells from damage and assists immune cells in neutralizing invading microbes and viruses.



Benefits of NAC

  • Breaks up Mucus in People with Respiratory Tract Infections/Conditions
  • Balances Mood-Based Symptoms
  • Increases Glutathione Levels
  • Ramps-up Antioxidant Protection
  • Stimulates & Supports Detoxification


Who Benefits From NAC?

NAC is often recommended by naturopaths for conditions such as low immunity (frequent colds and flus), asthma, chronic bronchitis, autoimmunity, chronic pain & inflammation, detoxification support and liver support. Interestingly, NAC has also been used as an antidote to acetaminophen poisoning for well over 50 years.



NAC Supplements

NAC is typically available either in capsule or powder form. There isn’t a set daily requirement for NAC or an “optimal dosage” that’s been determined. Ultimately, the optimal dose for you will be based on the condition you’re looking to address or the use its intended for.

A ballpark range is typically somewhere in the 600 to 1,800mg daily range, but certain chronic or degenerative conditions may require higher doses (higher doses can cause diarrhea, so dividing doses is best). In such instances, please speak to your health care practitioner. It’s recommended you start with a lower dose and build up until you reach desired effects.

When supplementing with NAC for antioxidant protection, taking it alongside other antioxidants such as vitamin e or CoQ10 can provide an elevated boost.

NAC may diminish the effects of antibiotics and insulin.



Final Thoughts

When selecting your NAC supplement, look for a product with clear dosing indications and always follow label instructions. While NAC is considered safe and effective, certain people may experience side effects such as indigestion or stomach upset, diarrhea, fatigue and drowsiness, sweating and skin rash. If you are on any recommendations medications, talk to your health care practitioner prior to adding NAC to your supplement routine.

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