Acetyl L Carnitine: Benefits and Side Effects Gene Food L carnitine not only for athletes. Effects and properties of L carnitine OstroVit 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 Carnitine: the claims and why it may not work Potential effects of l Carnitine supplementation on different Download Scientific Diagram