L-Carnitine (200 mg): Zmyra has 200 mg of L-carnitine in the form of L-carnitine L-tartrate powder. L-carnitine is a well-known amino acid that helps your body burn fat and make energy. Some people take L-carnitine before they work out, while others take it every day to burn fat. The company that makes Zmyra points to a study in which a group of overweight adults took 500 mg to 1,000 mg of...