"i am 37, and weighed 254 lbs as of 9-23-15. i went to doctors to help with the weight loss as this is my biggest. i started phentermine on 9-25-15. today i am down to 244! i was amazed when i got on the scale. 3 days, 10 lbs! the first couple of days i had no appetite. i had slight headache. other than that, i think it is good to go. we will see how 30 days do! keep you posted!"