2, generally not, you can lose weight by eating properly. Beef is high in protein and low in fat, but rich in conjugated linoleic acid. These potential antioxidants can effectively resist tissue damage caused by weightlifting and other sports. In addition, linoleic acid can also be used as an antioxidant to maintain muscle mass. Moreover, beef is low in calories and suitable for fat people. 100 grams of fat and lean meat has 580 calories, while lean meat has 354 calories, while beef and lean meat have only 172 calories and back meat has 293 calories. Therefore, for women who need low calories, it is very suitable to eat beef to lose weight, because beef is mostly lean meat.