"so it&#039;s officially been 1 week since i&#039;ve been on phentermine 37.5. i&#039;ve lost 9 lbs. so far. my confidence is building, i started at 195.1 and am down to 186.1! i did work out a little just doing some home exercises, and eating right and counting calories as well. i wanted to lose 55 lbs...46 to go!"