I wrote an article a while back about how to safely use powdered caffeine: http://diysupplements.com/add-caffeine-to-everything/ http://diysupplements.com/add-c

I wrote an article a while back about how to safely use powdered caffeine: http://diysupplements.com/add-caffeine-to-everything/ http://diysupplements.com/add-caffeine-to-everything/ It's a great way to inexpensively measure exactly how much you're consuming.