Phentermine is a doctor-approved weight loss medication for weight loss and weight management. Phentermine is an oral medication, and it is indicated for weight loss and obesity management belongs to the class of drugs called stimulants, and it is a combination of two salts. Now you can buy phentermine online It increases heart rate and blood pressure and decreases your appetite. Therefore, it is used with diet and exercise to treat obesity, especially if you have high blood pressure, high cholesterol, or diabetes.