The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation The bright and the dark sides of L carnitine supplementation: a systematic review Journal of the International Society of Sports Nutrition Springer Nature Link Comprehensive review of the expanding roles of the carnitine pool in metabolic physiology: beyond fatty acid oxidation Journal of Translational Medicine Springer Nature Link Should you eat before taking your supplement? The short answer is: it depends! While some supps serve your body better on an empty stomach, others settle best alongside food. Our When to take L carnitine: Dosage, forms, and side effects The Right Way to Take L Carnitine to Boost Your Training