L CARNITINA Uno de los suplementos ms conocidos en etapas de definicin pero, para qu sirve realmente? Participa en el transporte de cidos grasos para su utilizacin como energa L Arginine and L carnitine , Arginine is an amino acid which we can also produce naturally . This increases your notice oxide production , human growth hormone and improves circulation. , These three Nutrifit Systemic primary carnitine deficiency Wikipedia