ok guys, I'm taking 2 Tight's a day but i can't feel anything and i want to step it up. i have some of AST" dymnamite extreme with epehdra and i want to take it but how do i? With the tight I take it when i wake before am cardio and with lunch. I've read of stacking these 2 but I have no idea how much epedhra or when i should take?, help me out