Is l-arginine dangerous after heart attack?
Recent headlines declare that l-arginine
is dangerous for your heart if taken
Nitric oxide is the master control molecule over
arterial health. It regulates tone (dilation vs. constriction),
inflammation, cell adhesion, and protein production. Prescription
medications that increase nitric oxide have yielded important treatments
for erectile dysfunction (Viagra®), high blood pressure (ACE inhibitors
like lisinopril and captopril), and most recently Bidil® (a combination
of hydralazine and nitroglycerin). The ACE inhibitors and Bidil have
both proven useful for reducing breathless symptoms and death from heart
failure, and for improving heart muscle strength. Much of this benefit
is believed to develop from the nitric oxide-enhancing effects of these
Should we panic and stop l-arginine based on this report?
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