There are several kinds of slimming products, one is to promote excretion and lose weight through diarrhea after taking it. Most of this weight loss is achieved through short-term drainage. Long-term will lead to shortened food retention time in the intestine. Short-term frequency will cause electrolyte disorder, and long-term diarrhea will cause malnutrition.

The second is to prevent the intestinal absorption of oil and directly excrete it. Hesitant carbohydrates can also lead to obesity, so only tissue fat absorption can not completely stop obesity. It can also cause many fat-soluble vitamin absorption disorders.

Many slimming teas contain diuretics: although its pharmacology is completely different from that of laxatives, the principle of giving people the illusion of losing weight is the same. They all cause false weight loss by letting the human body excrete too much water. Diuretics do great harm to the kidneys.