Some things just go better together. NOW® Sports offers high-quality amino acid combinations for convenience and effectiveness. The amino acids arginine and citrulline together play an integral role in the body’s metabolism and utilization of protein and are essential for the maintenance of muscle tissue.* Arginine and ornithine combine two complementary amino acids in one convenient supplement that is popular with both athletes and active individuals. A steady supply of amino acids fuel hard-working muscles when taken before, during, or even after exercise.*
