Zinc keeps you going strong by helping maintain a healthy immune system. Beef is one of the best sources of iron.
Iron deficiency is the most common nutritional deficiency in the United States.
To absorb the same amount of iron found in a 3-ounce serving of beef, you'd have to eat nearly 3 chicken breasts or 3 cups of spinach. Nearly half the fat in beef is monounsaturated, the same heart healthy fat found in olive oil. A third of beef's saturated fat is stearic acid, a unique saturated fat that has a neutral effect on blood cholesterol levels. Protein provides stamina by building and maintaining strong muscles. A constant supply of protein is needed by the body to repair cells and regulate body processes.