L-Arginine is one of the most important essential amino acids that is key for performance. You can find it in a lot of pre-workout energy supplements because in increases blood flow that allows better protein synthesis.
Fact: In 1998 a group of researchers was awarded the Nobel Prize in Medicine for discovering the health benefits of L-Arginine. You may have heard that it causes the walls of vessels to relax and expand, allowing better blood flow and circulation. In the body, L-Arginine is converted into Nitric Oxide which causes vessels to open wider. This has multiple benefits including, improving immune function, detoxification, and brain power.
Another important aspect of L-Arginine is that it stimulates the production of certain hormones. Especially, beneficial growth hormones and insulin that help usher glucose into cells to be used for growth an energy output. This is one of the reasons it’s believed to enhance physical performance and stamina.