1, the supplement of meat to human nutrition can be said to be irreplaceable by other foods. Even though protein in protein powder is higher than that in many meats, the author still advocates that protein should be supplemented with meat when conditions permit.

2. Fitness people want to achieve a good fitness and muscle training efficiency, so beef is the first choice. Protein is rich in creatine. Compared with chicken breast or other meats, beef has more balanced nutrients, but it also has many shortcomings, which are not easy to be digested by human body and complicated to make.