Pueraria lobata oleoresin can increase the sensitivity of peripheral tissues to insulin, increase insulin-mediated glucose utilization, and increase the utilization of glucose by non-insulin-dependent tissues, such as brain, blood cells, renal medulla, intestine and skin. Inhibit liver glycogen dysplasia and reduce liver sugar output. Inhibition of glucose uptake by intestinal wall cells. Inhibit cholesterol biosynthesis and storage, and reduce blood triglyceride and total cholesterol levels. However, the common adverse reactions of Gehuazhi include diarrhea, nausea, vomiting, abdominal distension, fatigue, indigestion, abdominal discomfort and headache. Other rare cases include abnormal stool, hypoglycemia, myalgia, dizziness, vertigo, abnormal nails, rash, increased sweating, abnormal taste, chest discomfort, chills, flu symptoms, hot flashes, palpitations and weight loss. Metformin can reduce the absorption of vitamin B 12, but it rarely causes anemia. This product is within the therapeutic dose range and rarely causes lactic acidosis. Although many people have a certain weight loss effect after taking it, diarrhea is serious, and the above side effects are easy to appear after adding glucosinolates. Therefore, it is not recommended to lose weight through drugs. You'd better choose a healthy and scientific way to lose weight. If you are really obese and want to take medicine, you should follow the doctor's advice.