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 Nicotinamide Riboside Combo Improves Hepatic Profiles in NAFLD Holistic Primary Care Maximum L Carnitine Alfa Vitamins Alfa Vitamins Store Molecular developments in cell models of fatty liver disease DYSONA Life Science Can L Carnitine supplementation lead to liver dysfunction? Consensus