"i am 5&#039;3&quot; and have chronic fatigue and polycystic ovary syndrome and both of these caused me to gain up to 175 pounds. i have tried everything to lose weight and none helped. i started taking phentermine 4-2008 and i have gone from a size 12 to a size 9/10 in 2 months. it does give you a little energy boost, i noticed i wasn&#039;t craving sweets anymore and i wasn&#039;t binge eating. the phentermine gave me control over what i eat and when. i now make healthier choices, because i want to be healthy. there have been days that i would forget to eat, that is how strong phentermine is. at first i had a hard time with the side effects of headaches, stomach pain and dizziness, so i only took a 1/2 of pill. good luck."