Buy Phentermine 37.5 mg Online  is a prescription medication used to assist with short-term weight management in adults who are medically overweight or obese. It belongs to a class of medications known as sympathomimetic amines, which are chemically similar to stimulant medications. Phentermine works by affecting specific neurotransmitters in the brain, helping reduce appetite and increase energy levels. When people feel less hungry, it becomes easier to lower daily calorie intake and follow a structured weight-loss plan.