I am 30 years old and I have been taking it for about 3 days now. and I want you all to know that even though it does cause my skin to itch like crazy and my stomache hurts about 3 hours after I take it, EVEN AFTER ALL THOSE THINGS THAT ARE GOING ON I WILL NOT QUIT TAKING THIS BECAUSE IN 3 DAYS I HAVE LOST 7 POUNDS ALREADY.. AND THE ENERGY IS INCREDIBLE.. SO IF YOUR LIKE ME AND YOU NEED TO LOSE ALOT OF WEIGHT AND FAST AND DON\'T MIND THE SIMPTOMS LIKE ME I HIGHLY RECOMMEND THIS..