How Much L Carnitine Per Day: Expert Guide The Science of Good Health The effect of L carnitine supplementation on anthropometric and malnutrition status in acute ischemic stroke patients: a triple blinded randomized clinical trial BMC Nutrition Springer Nature Link What Are L Carnitine Injections Used For? Early research into L carnitine was often cited as underwhelming, showing negligible changes in muscle carnitine content and fat loss outcomes. However, these findings may have been limited by a short study window