Nitric Oxide supplements were first launched a few years ago and, despite some detractors who claim that they have no measurable effect, have become a popular addition to the serious fitness fan’s arsenal of supplements - testament to their value.
Intended to be taken pre-workout, nitric oxide supplements usually contain the amino acid known as L-Arginine. Arginine is thought to be able to increase levels of human growth hormone in the body but also produces nitric oxide. This works by dilating the blood vessels, whi