NO2 Black is the first patented extended-release nitric oxide generator designed to deliver upper limit nitric oxide - all day long</br>MRI</br></br>Product Description</br></br>MRI NO2 Black Nos-Enhanced Hemodilator<br />950% More Nitric Oxide - All Day Long<br />MRI Performance NO2 Black Nos-Enhanced Hemodilator is the first patented extended-release nitric oxide generator designed to deliver upper limit nitric oxide - all day long. Medical Research Institute Performance NO2 Black Nos-Enhanced Hemodilator is enhanced by the patent-pending ACTINOS(2)- technology. ACTINOS(2)- was developed to increase NOS (nitric oxide synthase)?? the rate-limiting factor in the human body's ability to generate nitric oxide.</br><br/>http://www.amazon.com/gp/product/B003CFB2A2