ive used the hydroxycut hardcore a few times works really well but gives you mad heartburn during my workouts, im curently takin Boiling Point with an ECA stack and it works really i take the recommended dose of Boiling Point with 400mg caffeine 1 asa and 20mg ephedrine and i go nuts at the gym, but i nap hard as soon as im done, but i notice changes in the mirror every day