A member asked:

Does nitric oxide really help burn fat and build muscle and if not, why do lifters take it?

A doctor has provided 1 answer

Uncertain: Nitric oxide is a gas that is naturally produced by the blood vessels that cause them to dilate (open). Theoretically this could increase blood flow to areas in the body. Exercise causes the release of Nitric Oxide by vessels supplying muscles.

Answered 6/30/2014

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