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Do Nitric Oxide products really work? Check out the science, and see for yourself!

Taken from the article: Is increased blood flow to muscles via Nitric Oxide supplementation permitted by fluid mechanics? by Michael S. Palmieri, 2015, The Institute of Sport Science & Athletic Conditioning.

It is known that endogenous NO will cause vasodilation to allow for increased blood flow to a particular area of the body. Because of the theorems of fluid mechanics, it is also known that the body must attempt to compensate this dilation by increasing actual blood delivery to that area. Additionally, the body continuously attempts to maintain a delicate systemic pressure within the vascular system which is ideal for all of its parts, including organs and muscles. In addition to increased cardiac output, if increased blood flow is provided for in one part of the body, then a decrease in blood flow must also be presented somewhere else in the body to compensate. This is a very finite system, not only because of the limited amount of blood, but also due to the fact that the body will never physiologically restrict blood from the brain and vital organs for the sake of working muscles. Moreover, it is unknown if an exogenous NO source would elicit a similar response. It is also not clear if the body would react physiologically to an exogenous NO source as claimed.

Conversely, as presented, the applicable laws of physics are constant. It cannot be stated that a certain compound must behave in a particular way physiologically while at the same time ignoring these established rules. Therefore, because of these discrepancies, biomechanically it does not appear if the theorems of fluid mechanics would permit the claims made by NO supplement manufacturers. For that reason, more definitive research needs to be done in order to draw better conclusions regarding their premise, as well as to allow them to substantiate any such claims.