A computer-generated image of red blood cells. Nitric oxide—known by the formula NO—is so vital for humans’ internal physiological processes that it was crowned Molecule of the Year in 1992. It plays ...

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As many remember from high school chemistry class, nitric oxide is a gas naturally produced by the body that promotes dilation in your vessels and, in doing so, encourages circulation. And while every ...

Listen, guy. We're not trying to trigger PTSD from our organic chemistry days, but if you're a dude concerned about blood flow downstairs — and therefore, arousal quality — you can't even begin to ...