N-Acetyl Cysteine
What N-Acetyl Cysteine Does
N-acetyl cysteine (NAC) is an altered form of amino acidcysteine, which is frequently found in food and synthesized by the body.
N-Acetyl Cysteine aids the breaking down mucus. Double-blind research has found that N-Acetyl Cysteine supplements improve symptoms and prevent recurrences in people with chronic bronchitis. NAC may also protect lung tissue through its antioxidant activity.
N-Acetyl Cysteine assists the body to synthesize glutathione, an important antioxidant. In animals, the antioxidant activity of N-Acetyl Cysteine protects the liver from the adverse effects of exposure to several toxic chemicals. NAC also protects the body from acetaminophen toxicity and is used at very high levels in hospitals for patients with acetaminophen poisoning. It has also been shown to be effective at treating liver failure from causes other than acetaminophen poisoning (e.g., hepatitis, and other drug toxicity) and at preventing kidney damage caused by injections of iopromide, a contrast medium used in people scheduled to undergo computerized tomography (CT) imaging.
Supplementation with N-Acetyl Cysteine has been shown to reduce the proliferation of certain cells lining the colon and may reduce the risk of colon cancer in people with recurrent polyps in the colon.
Where is N-Acetyl Cysteine found?
Cysteine, the amino acid from which NAC is derived, is found in most high-protein foods. NAC is not found in the diet.
N-Acetyl Cysteine Uses
N-acetyl cysteine has been used in connection with the following conditions: bronchitis, angina pectoris, gastritis.
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Who is likely to be deficient?
Deficiencies of NAC have not been defined and may not exist. Deficiencies of the related amino acidcysteine have been reported in HIV-infected patients.
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