Dexter Jackson Black Series L-Arginine may improve exercise performance by raising nitric oxide levels in the body, which increases blood flow and oxygenation to the muscles. It improves athletic performance; many sportsmen utilize L-arginine as pre-workout energy. It can improve growth hormone response and hence muscular mass. It also has an effect on insulin, another anabolic hormone. L-arginine supplementation helps your body to utilize stored fat as an energy source. The stored fat is burned to provide energy and to help in the growth and development of muscular mass. L-arginine increases your body’s metabolism while also forming building blocks for muscular synthesis. Several people use L-arginine supplements, including athletes and others with medical issues like high blood pressure. It allows blood rich in protein and creatine to saturate the muscles. It improves exercise tolerance, allowing for more repetitions, strength, and development.