orlistat powder is a weight loss drug that can help you lose weight. orlistat powder excretes oil by inhibiting the absorption of fat (mainly triglycerides) in the intestine, thereby reducing calorie intake and achieving weight loss. The application of orlistat powder should be combined with a low-fat and low-calorie diet, as well as moderate exercise, so that the weight loss effect can be just right. However, the weight loss effects of orlistat vary from person to person. Gastrointestinal lipases respond differently to drugs because each person is unique.