Buy Phentermine 37.5 mg Online- Often known as an appetite suppressant is phentermine the most widely used weight loss drug. Men and women should take this on board. The medication is appropriate only for those with a BMI greater than 30. We should also be at risk of getting serious illnesses. Phentermine is a prescription-only drug although it requires less addictions. This is a combinational therapy in which a person can eat only a balanced, low-fat diet and daily exercise.