Frontiers Role of Carnitine in Non alcoholic Fatty Liver Disease and Other Related Diseases: An Update L Carnitine Fumarate, 180 Veggie Caps (500 mg per Veggie Cap) L Carnitine 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 L Carnitine Healthy Living Primary Care