If you can afford it. GET IT!!
I tried the sample of it I had two packets and I would have to say in my opinion worked like Jack3d with out the jitters and anxiety inducing side effects. It works that well!! I have anxiety and this product is perfect doesn't make me anxious but that's just for me.  (So if you are sensitive to stimulates always check with your doctor) I like it a lot better than beachbody's E and E pre workout formula. The only problem I have is the price.
Rating: 5 stars