Carnitine: the claims and why it may not work The Benefits of L Carnitine ByBv's Scoop of Knowledge Scoop 1: L Carnitine Better Knowledge Better Choices Better Version L Carnitine plays a crucial role in energy production by facilitating the conversion of fat into L Carnitine Linus Pauling Institute Oregon State University 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