Originally Posted by plsureking

more info:

Methylphenidate (Ritalin, Concerta, Metadate, Methylin) belongs to the piperidine class of compounds and increases the levels of dopamine and norepinephrine in the brain through reuptake inhibition of the monoamine transporters. MPH possesses structural similarities to amphetamine, and though it is less potent, its pharmacological effects are even more closely related to those of cocaine.

now i really want some lol

http://en.wikipedia.org/wiki/Methylphenidate