N-Acetyl L-Cysteine (NAC) is an amino acid that has been shown to increase the levels of the antioxidant glutathione. The antioxidant can reduce cell damage, speed recovery from injury and aid muscle growth. The anabolic effect of NAC on muscle tissue makes it a popular supplement for bodybuilders who want to gain lean muscle size and strength.
However, I came across a recent article, which was published in the Journal of Clinical Investigation examining the effects of NAC. The study indicated that the antioxidant properties can form a red blood cell-derived molecule that makes blood vessels think they are not getting enough oxygen. This can lead to pulmonary arterial hypertension (PAH), which is a condition characterized by high blood pressure in the arteries carrying blood to the lungs.
I have used N-Acetyl L-Cysteine for a few years now at 1500mg daily and consider it a foundation supplement for antioxidant purposes and will continue its usage. However, the recent article published in the Journal of Clinical Investigation should not be taken lightly and if you have any concerns about taking this supplement to discuss it with your doctor first.
Chris Belanger – www.FUSIONBodybuilding.com
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