The principle of many diet pills is to reduce weight by suppressing the appetite of users. If you eat diet pills, your appetite becomes poor and you can't eat anything, then the diet pills you eat may contain fenfen. If you take them for a long time, it will easily lead to anorexia, which is very harmful to the health of the users.

2. Dry mouth

Dry mouth is also a common side effect of diet pills. Many dieters always feel thirsty after taking diet pills. After drinking a lot of water, the symptoms of thirst can not be greatly alleviated.

Then, this diet pill may contain sibutramine, and the side effects of sibutramine will not only make you feel thirsty, but also make you feel dizzy and flustered, and even your memory will be affected.