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Nitric Oxide / Pre Workout

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 wo