My wife is a fitness trainer, she works out all the time teaching classes, her diet is less than a 1000 cal's a day, cardio, diet, are great, but she cant loss any wieght, so i put her on clen and she lost 5 lbs in the first 14 days on and as soon as she gets off she puts the 5 lbs back on, i just dont understand whats going on, shes 5'10" and 168, im with her all the time and i know how dedicated she is with trying to loss this extra wieght, does anyone know what the problem could be, she has been on this diet for 7 weeks now, please any advise, she is on the depo shot for birth controll, could this have something to do with it