Ultra FX10 But. if you are on some restrictive unnatural fad diet, then you will certainly locate it very difficult transitioning from those involving diets to eating normal again. In fact, ought to be issues that develop with going on "fad diets" is any time you do start eating normal again, you Positioned the WEIGHT BACK ON! Just why is because those unnatural diets slow your metabolism down, per day you start eating normal, majority of your calories you eat are stored as excess calories!