1. Beef provides high-quality protein containing all types of amino acids, the ratio of various amino acids is basically the same as the ratio of various amino acids in human protein, which contains more sarcosine than any other food.

2. Beef is low in fat, but it is a low-fat source of linoleic acid and a potential antioxidant.

3. Beef contains minerals and B-complex vitamins, including niacin, vitamin B1 and riboflavin. Beef is also the best source of the iron you need every day.

4. Beef also contains carnitine.