"sorry . . continued. . started taking phentermine 37.5 and b12 shot once a week on 02/20/15. started @ 225lbs and size 18. by 03/20/15 i am down to a 16 and weight is 213! my weight is coming off a little slower than most lol but i&#039;ve always had to work harder for my results, the reason i started this medication. but i am very pleased because i workout and eat healthy anyway so this is only an aid for me. w/o this med i would not have lost this much so soon. on my own with a strict diet and working out everyday i only lost 8 lbs in 6 weeks. only side effect is i&#039;m getting bumps on my face, shoulders, back, and chest. sometimes can&#039;t sleep @ night, and occasionally dry mouth. i can deal with those! feeling great! will update in 30 days!!!!!!"