Does speed go off?

[MattBomb]

Done a search but cudnt find anything.
Does speed go off? is there a use by date with it?

 

[fairnymph]

Speed should last a long time...keep it wrapped in plastic and in a cool, dark drawer if you're worried at all.

 

[purkinje]

just wondering if this is also frequent with coke?? it has happend to me a couple of times.....but the coke (same dealer) is not really good...so maybe its more speed than coke....
thanks

 

[purkinje]

disregard the above post..sorry, wrong speed discussion...