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 mean values and SD for L carnitine, carnosine and taurine Download Scientific Diagram Beef contains essential nutrients like iron, zinc, choline, selenium, and vitamins B6 and B12, which help the body convert food into energy and support immune health and brain function. Does Carnitine from Red Meat Cause Heart Disease? Diagnosis Diet