Prolab Liquid L-Carnitine is a convenient way to get a potent dose of L-Carnitine. L-Carnitine plays a critical metabolic role. It is essential for the transport of fat into the body's fat burning factories. Clinical research has shown L-Carnitine supports athletic performance in endurance athletes. So if you take L-Carnitine to maximize levels or to support athletic performance you can be sure your getting quality with ProLab Liquid L-Carnitine.