Tip - The Side Effects of Nitric Oxide Supplements | LIVESTRONG.COM

Nitric oxide, or NO, supplements are made up of L-arginine (L-arg, arginine hydrochloride, Sargenor, Spedifen), a compound that your body then converts into NO after consumption. It is used in supplements to cause blood vessel relaxation (vasodilation), which might benefit people at risk of cardiovascular disease. However, there are side effects...