I actually did a MindCamp session on making your own energy drinks 6+ years ago. The live demo/taster was a double-shot mocha with 150 mg of powdered caffeine (

I actually did a MindCamp session on making your own energy drinks 6+ years ago. The live demo/taster was a double-shot mocha with 150 mg of powdered caffeine (in solution), a bottle of shelf-stable chocolate milk (because I was at a conf), and a tablespoon of Torani Kahlua-flavored syrup.