Real Protein. Real Power. That gorgeous grilled beef isn't just dinner, it's fuel. A single 3 oz. serving of beef delivers 25 grams of protein. That's 50% of your Daily Value! Learn LIQUID L CARNITINE 1100 mg Buy L Carnitine Capsules 2050 mg per Serving ESN Beef is an iron powerhouse. On average, 100 grams of cooked beef delivers 3.5 mg of iron (19% DV) that's over three times the amount in the same serving of chicken breast! The amount of L carnitine in product groups.. Download Scientific Diagram L carnitine benefits, uses & dosage: A complete guide