From brain to muscle, L Carnitine plays a key role in energy metabolism, endurance, and recovery by supporting efficient fat to energy conversion. Carnitine Metabolite of the month biocrates life sciences gmbh Carnitine has a central role in fat metabolism. During the overnight fasted state and in exercise performed at low to moderate intensity, long chain fatty acids serve as the primary energy source for Fatty acid oxidation and carnitine palmitoyltransferase I: emerging therapeutic targets in cancer Cell Death & Disease Carnitine in Mitochondrial Fatty Acid Transport and Oxidation Encyclopedia MDPI