Are L Carnitine and L Carnosine the Same? Anti Aging Systems L Carnitine: Benefits, Uses, and Side Effects Lifespan Research Institute The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation 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 L Carnitine: Benefits, Risks, and Its Role in Fitness and Weight Loss WellnessPulse