WHat kind of stories?
Horible OD. Shaking, thought they gonna die.
I also talked w/ a Toxicoligist on the net, he seen lots of "Poisionings" from clen.
Long 1/2 life, it builds up.
Some research stuff was way overdosed according to some guys here...
I'd take tiny drop at first times; better yet to use human grade pharma.