Don't use diet pills, it will hurt your health; Don't go on a rigid diet, which will also hurt your health and cause a structural rebound.

50 kg is more difficult, depending on the weight loss period you set. If the time is short, then enzyme conditioning+meal replacement powder is all.

If you are not in a hurry during the weight loss cycle, you can use enzymes to adjust weight loss for a long time. At the same time, it is necessary for you to control your diet, eat more coarse grains, eat less flour and rice and eat some lean meat.