L Carnitine Injection Levocarnitine IV L Carnitine Linus Pauling Institute Oregon State University The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation Did you know L carnitine, a vital amino acid, is naturally produced by your body and found in various foods? While acetyl L carnitine (ALCAR) can be a beneficial supplement for some, most people get L Carnitine Force Factor