Our bodies convert L-Citrulline into L-Arginine with a resultant increase in both L-Arginine as well as nitric oxide. When we increase the production of nitric oxide, vascular dilation is boosted; this facilitates improved oxygen and blood circulation, leading to enhanced physical performance. L-Citrulline helps the body rid itself of ammonia, a by-product of high intensity exercise. This detox effect enables the body to recover faster after a workout. Studies performed within the last decade have repeatedly shown that L-Citrulline improves endurance, maximum power and exercise recovery after as little as a single dose.