Amazon.com: Force Factor L Carnitine Liquid 3000mg, Maximum Strength Supplement to Support Fat Metabolism, Cellular Energy & Muscle Recovery, High Absorbing, Non GMO, Orange Flavor, 16 oz Bottle : Health & Household IMPORTANCE OF BEEF Beef is an important part of a healthy diet. It contains a fair amount of fat, but it is also a concentrated source of protein, vitamins, and minerals. L Carnitine: Energy Production and Fat Metabolism Does Carnitine from Red Meat Cause Heart Disease? Diagnosis Diet