i started taking adipex on thursday march 4th, 2010.  I waited until sunday to weigh myself (i couldn't wait any longer).  I got on the scales sunday night (after having to go out and buy a new battery for my new scale), and i couldn't believe that it was saying 214.  This would mean that i have lost 6 pounds in 4 days.  I was pretty excited to know that it was working so quickly (not really surprised since i am having to make myself eat).  I weighed myself again on monday morning just to be sure, and it wasn't lying, actually i had lost another 4oz over night.  I am hoping to be in my bathing suit by june and the clothes in the back of my closet by this time next year.