L-Carnitine is the substance that transports fat to the body's cells to produce energy. It makes it possible for your body to utilize fat as an energy source. An increasing body of scientific evidence illustrates the favourable effects of L-Carnitine for athletes and physically active people with regard to performance, fatigue and the recovery process. Research indicates that L-Carnitine supplementation decreased lactic acid accumulation and spares glycogen and therefore plays a role in delaying fatigue. 500mg x 100 caps.