Phentermine 37.5 mg is a subset of phentermine medicine that is used in the treatment of weight loss or it can help you feel full longer. Phentermine 37.5 mg is the highest dose of this medicine. Buy Phentermine 37.5 mg Online after the discussion with the doctor as only a doctor can give you the right direction to take this medicine. The average weight loss will be 3% of your body weight after 3 months. There are so many side effects of this medicine such as Dry muscles, stomach upset and high chest pain etc. This medicine should not be given to kids and younger than 16 years old.