Yes, they work!!! I have been taking them for 2 mo. and lost 20 lbs without really trying. I don't eat junk food...Just a balanced diet of 1500 cal. a day. Before taking Ace my weight would not budge...I'm 44 so my metabolism has slowed down, but Ace actually speeds up my sluggish metabolism...so I've had good results and am still taking them. Some people will tell you No, but that's because I don't believe they gave the pills a chance to work...You need to take them for a whole week first with a good diet, then weigh yourself and see if they work for you.