What is different between Adderall and Metadate and Ridelin?

Adderall is amphetamine and dextroampetamine, Metadate is methlyphenidate..

What's the difference?

are they closely related or is metadate more related to ridelin?
Answers:
Try spelling it Ritalin and look it up on Wikipedia
metadate would be more related to ritalin because it is also methylphenidate.

try erowid.com
it have descripitions, side effects, chemistry, etc. of most perscription drugs (and recreational drugs)
Metadate is basically extended release Ritalin Source(s): PharmD candidate

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