Legal status and availability fluctuates because it's often used to make Methamphetamine, though many workout supplement stores do carry them and sell them online.
Ephedrine HCL can be crushed up and unpleasantly snorted for a quick "high" though users often create a more powerful stimulation by combining ephedrine tablets with caffeine and Asprin to make "E.C.As" or "Triple stacks". This increases energy levels however is hard on the bodies central nervous system as well as Cardio vascular system.
OVERDOSING is a very real threat, and like all drugs, should be used in MODERATION or as directed to avoid such problems as
-Bleeding in the brain
Jim: We're going clubbing tonight, you gonna drop some Ecstasy???
Bob: "nah man I don't want to get to messed up tonight...I'll stick with my cheap trucker speed"
Kate: " I really gotta finish reading this book for class tomorrow , does anyone have a Redbull I can jack?"
Jeff: Nope, but I can hook you up with some trucker speed"