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2. Biological functions of nitric oxide - Wikipedia

   en.wikipedia.org/wiki/Biological_functions_of...

   Biological functions of nitric oxide are roles that nitric oxide plays within biology. Nitric oxide (nitrogen monoxide) is a molecule and chemical compound with chemical formula of N O . In mammals including humans, nitric oxide is a signaling molecule involved in several physiological and pathological processes. [ 1 ]

3. Do Nitric Oxide Supplements Really Help With ED? - AOL

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   Available over-the-counter, many nitric oxide supplements claim to boost blood flow, giving you stronger arousal and better physical performance and athletic performance (you remember the ad ...

4. Nitric oxide - Wikipedia

   en.wikipedia.org/wiki/Nitric_oxide

   Once nitric oxide is converted to nitrates and nitrites by oxygen and water, cell signaling is deactivated. [31] The endothelium (inner lining) of blood vessels uses nitric oxide to signal the surrounding smooth muscle to relax, resulting in vasodilation and increasing blood flow. [30] Sildenafil (Viagra) is a drug that uses the nitric oxide ...

5. Endothelium-derived relaxing factor - Wikipedia

   en.wikipedia.org/wiki/Endothelium-derived...

   EDRF is produced from L-arginine by an enzyme (endothelial nitric oxide synthase) that is dependent on calcium-calmodulin and NADPH - this occurs in the cardiac endothelium. [citation needed] EDRF then diffuses to the smooth muscle in vascular tissue (vessels may be large or small), here it enacts endogenous vasodilation. Moreover, it serves ...

6. Will Nitric Oxide Supplements Boost Fitness Performance ... - AOL

   www.aol.com/nitric-oxide-supplements-cant-muscle...

   Many small blood vessels and capillaries sit dormant until you get your heart rate up during exercise, and nitric oxide enables blood to flow to these areas to allow your muscles to work, hence ...

7. Local blood flow regulation - Wikipedia

   en.wikipedia.org/wiki/Local_blood_flow_regulation

   These endothelial products include nitric oxide and endothelin-1 that are released in response to either chemical stimuli, like histamine, or increased shear stress on the blood vessel (meaning the amount of stress exerted by blood on the blood vessel walls). While nitric oxide causes vasodilation, endothelin-1 causes vasoconstriction.