I haven't heard good things about it. It's loaded with stimulants. It contains caffeine as well as potentially dangerous ingredients. This was of concern to me
1,3-dimethylpentylamine HCL is the scientific name for methylhexanamine or DMAA, a "party pill" that was recently banned in New Zealand due to its potentially dangerous side effects.
While diet pills may help a little, the risks are pretty big for such a small payoff. You might reach your goal a couple of weeks sooner. You still have to reduce your calories for them to work. Products like this can be dangerous to anyone with high blood pressure or heart problems. Many people with weight problems have blood pressure or heart problems and don't even know it yet.
Nothing is as safe or works as well as just cutting back the food a little and exercising more