Beef Heart Nutrients Total L Carnitine food sources (per 100 gm) Non vegetarian: Beef steak, cooked: 56 162 mg (depending on cuts and cooking) Ground beef, cooked: 75 86 mg Pork, cooked (100 gm): 25 61 mg Mutton (leg, Steak isn't bleeding. That red liquid you see is mostly water mixed with myoglobin, a protein found in muscle that stores oxygen. When steak cooks, the muscle fibers tighten and release moisture. L Carnitina Carnipure Amazin' Foods Mxima calidad y eficacia!