Instruct: Classify the given review into positive or negative sentiment.
Query: So overrated

The reviews make this sound like some kind of miracle cure. Here's what you'll get - a caffeine boost. That's about it. Buy some coffee. It's tastier and cheaper.I used it, and occasionally noticed some caffeine headaches and dry mouth. What I did not notice was additional weight loss.Personally, the best thing I've seen on the market is straight up hoodia, in a higher dose formula. (This product contains just a trace of hoodia).