A Unique Blend of L-Carnitine, Chromium Picolate and Lipotropics To Aid Your Body's Ability To Burn Fat. L-Carnitine is an important amino acid that asists in fat metabolism. People on weight loss and exercise programs wantto burn fat. L-Carnitine may have beneficial effects to convert the body's stored fat into energy, thus promoting weight loss, more energy and may assist during athletic performance.