Quote Originally Posted by nostrum420 View Post
It's basically the same story as DMAA, it's not technically banned but if you make a supp with it and it gets popular, you better funnel some of your profits into keeping a good lawyer on retainer.
Verry narrow therapuetic index and the prescritption version requires blood level tests to safely use. It has all but been abandoned by the pulmonolgists/respiratory therapy practice in the USA. Not something to take lightly at all.