Metformin, marketed under the trade name Glucophage among others, is the first-line medication for the treatment of type 2 diabetes, particularly in people who are overweight. It is also used in the treatment of polycystic ovary syndrome. Limited evidence suggests metformin may prevent  cardiovascular disease and cancer complications of diabetes... Wikipedia

 

Manufacturer's Website: Riomet                                                                                                                                                        Average retail cost: $8,033/month