Obesity has become a serious problem in health especially in Northern America wherein almost 50% of American Citizens are victim of this abnormal health condition. However, many diet pills have emerged to control this problem, but you won’t get these pills without a prescription from a professional health medical staff. Phentermine is a diet pill known for its effective results and many users have experience huge change in their physical appearance. You cannot buy a Phentermine without a prescription from a medical staff because some may contain inappropriate ingredients that may cause allergies.