Phentermine Weight Loss Calculator

Find out how much weight you could lose with phentermine

Enter your current weight and hit the Calculate button to see how much you could lose on phentermine.

Based on clinical study data, you could lose up to 1lbs over a 12 week weight loss program with phentermine.

On the low end, you can expect to lose 1lbs or more during that time.

On average over 12 weeks, you can potentially lose 1lbs of bodyweight during that time.