Nitric oxide is one nitrogen atom and one oxygen atom. It occurs naturally as a process in our body when amino acids are broken down and converted and used in many different ways by the body. Nitric oxide helps regulate many organ functions and helps blood circulate throughout the body. Blood circulation is what ensures that our body and organs receive the nutrients and oxygen they need to function properly. Nitric oxide boosters are of particular interest to bodybuilders and weightlifters, as the extra nitric oxide allows the muscles to receive more nutrition and conserve energy. Nitric oxide boosters have been successfully proven to be helpful in sculpting and building muscle. They also give you the maximum muscle pumps that are so desired during training. Dietary supplements that increase nitric oxide content will only enhance the results seen from bodybuilding training.