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 palmitoyl L carnitine MedChemExpress (MCE) Life Science Reagents Palmitoyl L carnitine induces tau phosphorylation and mitochondrial dysfunction in neuronal cells PLOS One Palmitoyl L carnitine induces tau phosphorylation and mitochondrial dysfunction in neuronal cells PLOS One Fatty acid oxidation and carnitine palmitoyltransferase I: emerging therapeutic targets in cancer Cell Death & Disease