/b/sixpacksmackdown/posts/jack3d-is-one-of-many-pre-work-supplements-at-risk-of-being-banned-in-the-us-due-to-fda-ban-on-dmaa-dimethylamylamine The popular pre-workout supplement Jack3d , along with many other pre-workout supplements that, due to it containing the newly FDA banned substance DMAA, is likely to be banned and pulled from shelves. The U.S. Food and Drug Administration is orderinen-USTelligent Community 11 Non-Production