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Natural Factors N-Acetyl-L-Cysteine (NAC) is a free-form amino acid and a vital part of the body’s antioxidant defence system. It is needed to produce glutathione, a key antioxidant involved in many physiological processes, such as fighting oxidative stress, maintaining a healthy immune system, repairing tissues, cellular detoxification, and supporting overall health. NAC supplementation has been clinically shown to increase the body’s antioxidant capacity and help reduce the severity and frequency of influenza-like symptoms in adults over 65. NAC is also the most stable and readily absorbed form of cysteine.

As a free-form amino acid, cysteine is one step closer to producing glutathione than when it is consumed as part of a complete protein from food. Oral supplementation with NAC also increases glutathione levels more effectively than supplementing with glutathione itself. This is because glutathione breaks down in the gastrointestinal tract, whereas NAC does not. It passes into the bloodstream intact.

NAC is an ideal nutritional supplement for adults who want to improve their immune system health. NAC is an effective option for anyone with high levels of oxidative stress or depleted glutathione stores.

Medicinal Ingredients: 

Each vegetarian capsule contains:
N-acetyl-L-cysteine (NAC) 500 mg

Non-medicinal Ingredients: Rice powder, vegetarian capsule (carbohydrate gum [cellulose], purified water), vegetable grade magnesium stearate (lubricant).

Recommended use
  • N-acetyl-L-cysteine (NAC) is a highly stable form of cysteine and is a precursor in the body to the critical antioxidant glutathione. 
  • It provides antioxidant support and is especially beneficial for active people, the elderly, and those exposed to polluted environments. 
  • Antioxidant for the maintenance of good health. Helps reduce oxidative stress during exercise, support immune function, and relieve symptoms of chronic bronchitis.

Recommended adult dose: 1 capsule 2–3 times daily or as directed by a health care practitioner.
As an antioxidant (adults): 1 capsule daily or as directed by a health care practitioner. Take with meals providing protein. Do not use beyond 24 weeks.

Cautions: Consult a health care practitioner prior to use if you are taking nitroglycerin or antibiotics. Do not use if you have acetylcysteine allergy, or if you are pregnant or breastfeeding. Consult a health care practitioner if you have cystinuria. Keep out of the reach of children.

Allergen Statement: Contains no artificial colours, preservatives, or sweeteners; no dairy, sugar, wheat, gluten, yeast, soy, corn, egg, fish, shellfish, salt, tree nuts, or GMOs.

Click here for more information: N-Acetyl-L-Cysteine Natural Factors Research Information

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