Force factor from GMC is a joke. They tell you its free then charge you 75 buck for it 2 weeks later. It doesnt work unless you are taking it to give you the runs then it works grate. If you take this stuff plan on being on the toilet for a while. Then when you call in to tell them to reverse the charges they give you a hard time. DO NOT FALL FOR THERE TRICKS. AND DONT BUY THERE DIAREA PILLS!!! read full review »