# 1. Phentermine
Phentermine is the #1 prescription weight loss medication in the United States. Its active ingredient, phentermine hydrochloride, is an amphetamine-like substance that suppresses appetite and boosts energy.
What is Phentermine?
- Phentermine is the most widely-prescribed weight-loss medication in the United States.
- It first received FDA approval in 1959 as an appetite suppressant for the short-term management of obesity.
- Phentermine helps patients lose weight by decreasing appetite and boosting energy.
- It is available as a tablet, capsule or orally dissolving tablet (ODT), and sold under the popular brand names: Adipex, Qsymia and Lomaira.
- Phentermine HCL is a schedule IV controlled substance. For that reason, it is only available with a doctor’s prescription, and only for 12 weeks at a time.
Phentermine Reviews
“Nothing else worked like this. I lost over 130lbs and I can't imagine where my life would be if I hadn't had found these pills - amazing!”
Michael
Lost 138 lbs.
“Nine months before my wedding I decided to go to a weight loss clinic to get my life back on track. And it worked!”
Chrissy
Lost 60 lbs.
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