"hey guys i&#039;m back again i just finished my 1st week on phen 37.5. and i have lost a total of 12.8 pounds. i did not skip any meals although i wasn&#039;t always hungry. i made sure to eat something. i was already a big water drinker before starting it just made me drink more because my throat was always dry. 270.1 to 257.3 from july 28th to aug. 5th. i did experience severe constipation though but a little magnesium citrate fixed that up. female 22"