The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation Acetyl L Carnitine Core Nutritionals Supplement of the week: L Carnitine! This one doesn't just boost fat metabolismit can also improve recovery, endurance, and even brain function. If you're serious about performance and longevity, this might be 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 The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation