Essential L Carnitine Optimal Health Systems Performix SST Burn is a non stimulant pure L Carnitine fat burner that uses fat, not muscle, to fuel your workout. Take SST Burn alongside SST, SST V2X or the new SST Cuts Essential L Carnitine Optimal Health Systems Why does @coach.suave use L Carnitine? PERFORMIX SST Support Burn uses the simple, yet effective ingredient L Carnitine to: boost your metabolism utilize fat for energy, instead of muscle power you through your workouts