"i have a 8 months old and have tried everything to get those baby lbs off. i weighed 200lbs before i got pregnant and was up to 229lbs when i started the medication. i had tried weight watchers and many other things. i have been on phentermine for a little over a week and have lost 10 pounds. it truly is a miracle. i have found if you take vitamin b-12 it boost ur energy level extremely."