Phentermine
"I've been on Phentermine for 3 weeks now. I started off weighing 231 lbs. Now, I'm down to 214 lbs. I've not experienced the side effects reported. I have an active job which zaps my energy, which may be why my sleeping habits have not changed. However, I can say that I've been more productive at work, and on the weekends, I have about a 2 mile jog's worth of energy to burn."