What Exactly is Nitric Oxide? Why is It Such a POWERFUL Bodybuilding Supplement?

What is Nitric Oxide anyway?

The chemical compound nitric oxide is a gas with a chemical formula NO. It is an important signaling molecule in the body of mammals including humans,

one of the few gaseous signaling molecules known. Nitric oxide (NO) is not nitrous oxide (N2O) or with nitrogen dioxide (NO2). (Formal definition courtesy of Wikipedia)

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