N-Acetyl Cysteine (NAC) is a stable form of the essential amino acid L-cysteine. Cysteine is a precursor for glutathione, an important Antioxidant in the body. Cysteine also serves as a major sulfur source for many body components. It also may help with Alzheimer’s and also eye health.
However, recently some researchers at the University of Virginia Health System have found some potential side effects which may be troubling for some people who use this nutrient in high doses. But…they are not sure, because these potential side effects have only been found in rats and may not occur in humans…and they did not occur in all rats.
The potential side effect is that NAC can form a red blood cell-derived molecule called nitrosothiol. This could result in your body thinking that it has an oxygen shortage, which in turn can lead to pulmonary arterial Hypertension (PAH).
Because it is likely that some of the media will jump on this ‘bandwagon’ I thought that I should mention a few important points about this first so any negative reports don’t raise any concerns for you.
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