Stick to just regular black coffee. You won't feel that same "simulated rush" but the results pay off ten fold. You liver and kidneys will be processing your calories, fat, and every other supplement you're being sold on instead of wasting their time getting bogged down buy one more 80$ jug of caffeine and niacin.
Check out Arnold's Body Building Encyclopedia it has every bit of information you could ever want even home made protein shakes.