"dec 23, my doctor had me start this. my first week i experienced all the symptoms and lost 5 lbs in three days (i had to force myself to eat and i couldn&#039;t sleep). i seem to have adjusted now but have gained the weight back. i&#039;m confused since i work out hard 5 to 6 days a week. i eat less than 2000 calories a day. i feel like i would starve at 1200 like i see most of you post. should i be restricting to 1200? my doctor didn&#039;t mention this  to me.  on a positive note, i do feel more energized when i work out.  i feel like i don&#039;t want to stop exercising. my doctor prescribed this for me to give my metabolism a boost, i&#039;ve lost 70lbs w/o the pill but haven&#039;t lost anything for 6 months, been at the weight.  maybe i need to have it a month...."