Understanding the Benefits and Uses of Carnitine in Health and Fitness Fitness Health Acetyl L Carnitine Force Factor Acetyl L Carnitine Role of L carnitine in oxidative metabolism. CoASH, acetyl CoA; CPT, Download Scientific Diagram What is carnitine? Carnitine is produced in the body from the amino acid lysine and naturally occurs in some foods. It supports energy metabolism and muscle function, which are important factors in Frontiers Lcarnitine in metabolic dysfunction associated steatotic liver disease: mechanisms and therapeutic potential