Nutricost L Carnitine Tartrate Supplement, 240 Capsules, 500mg, 1000mg per Serving Walmart.com 6 Healthy Foods High in L Carnitine 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. 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, Calorie and protein comparison for Silver Fern Farms meats! Good quality products and easy to find at the supermarket Ever tried these?