BRITPRO Creatine and Arginine is one of a kind combination, never seen before. Our product team has released this combination after thorough research of the effects of these two ingredients. L-Arginine is responsible is openinig up your blood vessels during a workout while creatine is absorbed better and provides higher energy to your muscle, resulting in better workout endurance. Each serving consists of 3g of pure micronized creatine monohydrate and 1.25g of L-Arginine.