L Carnitine, 500 mg, 60 Vegetarian Capsules Functional differences between l and d carnitine in metabolic regulation evaluated using a low carnitine Nile tilapia model British Journal of Nutrition Cambridge Core Levocarnitine, commonly known as L Carnitine, is a naturally occurring compound that the body produces from the amino acids lysine and methionine. It plays a critical role in energy production by transporting fatty Ultra L carnitine making me reek of rotting fish for 48 hours #lcarnitine #fishy #smell #trauma #fyp