There are several products out there that go by that name, so I'm not sure which one you are considering.
One contains Citrus Arantium, also known as bitter orange, which is on the Consumer Reports "Dirty Dozen" list of most dangerous supplements. It also contains a mix of other stimulants. It sounds like a time bomb
The other is also a mix of stimulants as well as various other ingredients hyped as weight loss aids but don't live up to the claims.