Carnitine: Genetic Variants Affecting Mitochondrial Energy and Health 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 Linus Pauling Institute Oregon State University Systemic regulation of L carnitine in nutritional metabolism in zebrafish, Danio rerio Scientific Reports Liquid L Carnitine Hosstile Fat Metabolism, Endurance & Recovery The Right Way to Take L Carnitine to Boost Your Training