L Carnitine: A Fat Loss Myth or Supplement Staple? Muscle Specific Deletion of Carnitine Acetyltransferase Compromises Glucose Tolerance and Metabolic Flexibility: Cell Metabolism The bright and the dark sides of L carnitine supplementation: a systematic review Journal of the International Society of Sports Nutrition Springer Nature Link L Carnitine is not a magic fat burner It won't melt fat, build muscle, or replace hard work. The only thing it burns is your money Stick to the basics Carnitine palmitoyltransferase 1 facilitates fatty acid oxidation in a non cell autonomous manner: Cell Reports