There are three kinds of drugs commonly used in diet pills. One is appetite suppressant, which acts on the central nervous system to suppress appetite and has considerable side effects on the body. It is best not to take it without authorization. The other is an absorbent that accelerates metabolism and reduces metabolism, which means that what you eat is not absorbed by your body. There is also a preparation that helps to consume fat and calories, which will make you consume the same amount of energy every day, but the consumption will increase greatly, and naturally it can also play a role in slimming. This is also a drug that acts on the central nervous system and is potentially harmful. Therefore, it is best not to take diet pills, otherwise it will affect the normal development of the body, and the harm of side effects is also considerable. In severe cases, it will lead to menstrual disorder and even infertility.