I have run the gambit of Monster, Rockstar, Redbull and a good chunk of all the other energy drinks out there and G Fuel has been hands down the best. They have an amazing flavor selection, quality shakers, great value (defiantly cheaper than anything you can get at the store), a nice web store, great sales and an awesome rewards program. I highly recommended their products and on the one occasion where there was an issue with my order, their customer service was easily reachable and very helpful.