Metformin is not recommended for normal people. Metformin is a first-line treatment for diabetes and is used to treat people with type 2 diabetes who cannot control their blood sugar well with diet or exercise alone, and is not recommended for normal people. Side effects may occur when taking Metformin, the most common side effects are gastrointestinal discomfort such as nausea, vomiting, bloating, abdominal pain, diarrhea, indigestion, constipation, and a burning sensation in the stomach, as well as adverse reactions such as headache, dizziness, muscle aches and pains, abnormal taste, and anemia. It should be noted that people who are allergic to this drug, severe renal failure, serious infections, trauma, liver insufficiency, acute alcoholism and other people should not be treated with this drug. Patients who need to take metformin tablets for treatment should be under the guidance of a doctor, do not use the drug at will.