Arginine plays an important role in sports performance supplementation. Arginine is a precursor to Nitric Oxide (NO) in the body and is responsible for improving blood circulation. Blood is responsible for carrying nutrients as well as oxygen throughout the body especially the muscles. Arginine plays a role in dilating the blood vessels so that more oxygen and nutrient rich blood can be transported through the arteries.
When nutrient rich blood is transported to muscles, the recovery and repair process is hasten because there is a faster supply of nutrients to begin the repair process.