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N Acetyl L Cysteine
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Grid View Grid View List View List View Now Foods, L-Cysteine, 500 mg, 100 TabletsCost Per Serving : $0.11 |
Natural Factors, NAC N-Acetyl-L Cysteine, 500 mg, 90 Vegetarian CapsulesCost Per Serving : $0.19 |
N-Acetyl Cysteine, Antioxidant Support, 120 Tablets, 600mg, From Source NaturalsCost Per Serving : $0.14 |
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N Acetyl L Cysteine
N-Acetyl Cysteine is a more stable form of the sulfur amino acid L-cysteine, and is a powerful antioxidant. It is an excellent precursor of glutathione, another major antioxidant. Glutathione is also the precursor, with selenium, of glutathione peroxidase, one of the most important antioxidant enzymes in the body.
N-Acetyl-L-Cysteine, known as 'NAC' provides powerful immune support and also packs a powerful anti-toxin potential. Its ability to neutralize cell and DNA damaging free radicals can help slow down what many scientists point to as a key factor in the aging process.
N-ACETYL L-CYSTEINE (NAC) or NAC is a more stable form of L-Cysteine because it has an acetyl group (CH3CO) attached. NAC has all the properties of L-Cysteine but is more water soluble and said to be more bioavailable than L-Cysteine. NAC may be the most cost effective way to boost Glutathione levels in the body. Glutathione is a very valuable peptide, but very expensive when bought as a supplement. It is best to use NAC to boost your glutathione levels.
NAC has been shown to play a protective role against a variety of toxic hazards such as cigarette smoke, auto exhaust, certain herbicides, and overdoses of acetaminophen. It can also play a beneficial role in prostate and respiratory conditions. For example, NAC has well established antimucolytic (anti-mucous) properties and has been shown to increase mucocilary transport in smokers.
As a beneficial glutathione booster, N-Acetyl-L-Cysteine is the supplement of choice. Surprisingly, it is more effective than supplementing with cysteine, methionine, or even glutathione itself! No doubt NAC is the undisputed glutathione precursor.
What makes NAC stand out in the crowd of glutathione boosters is the fact that it is a stable amino acid that can retain up to six times the amount of the sulfur and sulfhydryl groups after digestion. Scientists believe that sulfur and sulfur compounds may be central to glutathione and its precursor N-Acetyl-L-Cysteine (NAC).
N-acetyl L cysteine (NAC) is an altered form of the amino acid cysteine, which is commonly found in food and synthesized by the body. N Acetyl L Cysteine helps break down mucus. Double-blind research has found that N Acetyl L Cysteine supplements improved symptoms in individuals with bronchitis.
N Acetyl L Cysteine helps the body synthesize glutathione-an important antioxidant. In animals, the antioxidant activity of N Acetyl L Cysteine protects the liver from exposure to several toxic chemicals. N Acetyl L Cysteine also protects the body from acetaminophen toxicity and is used at very high levels in hospitals for that purpose.
Where is N Acetyl L Cysteine found?
Cysteine, the amino acid from which N Acetyl L Cysteine is derived, is found in most high-protein foods. N Acetyl L Cysteine is not found in the diet.
Who is likely to be deficient?
Deficiencies of N Acetyl L Cysteine have not been defined and may not exist. Deficiencies of the related amino acid cysteine have been reported in HIV-infected patients.
How much N Acetyl L Cysteine take?
Healthy people do not need to supplement N Acetyl L Cysteine. Optimal levels of supplementation remain unknown, though much of the research uses 250 to 1,500 mg per day.
Side effects
When N Acetyl L Cysteine is taken by mouth, one trial reported nausea, vomiting, headache, dry mouth, dizziness, or abdominal pain, in 19% of people in the study. These symptoms have not been consistently reported by other researchers, however.
One small study found that daily amounts of 1.2 grams or more could lead to oxidative damages. Extremely large amounts of cysteine, the amino acid from which N Acetyl L Cysteine is derived, may be toxic to nerve cells in rats.
N Acetyl L Cysteine may increase urinary zinc excretion. Therefore, supplemental zinc and copper should be added when supplementing with N Acetyl L Cysteine for extended periods.
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