well, there's this stuff:
http:// tnation.t-nation.
com/free_online_forum/sports_training_performance_bodybuilding_
gear/everything_about_dnp_24dinitrophenol?id=2764838&pageNo=0
(Just combine the link, I've been a long time lurker. So not new here.. lol)
I tried it once. It was GREAT. but I haven't been able to find a source again.
Other then that, I guess diet and hard work.