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Re: whats the diff. between adderall and dexedrine 1980Monroe

Posted by chemist on July 23, 2004, at 9:05:25

In reply to whats the diff. between adderall and dexedrine, posted by 1980Monroe on July 23, 2004, at 8:36:20

> I seen so many posts ask this but i never read the awnsers, i know that adderall has the I-isomer mixed 25% with the D form.
> But does adderall have slower onset? or faster?
> Just general info thanks.

hello there, chemist here....adderall is a racemate comprised of l-amphetamine and d-amphetamine sulfate salts: these compounds are not isomers. they are enantiomers. also, the ratio of d-amphetamine to l-amphetamine is 3:1 in adderall, not 1:3 as noted above. for immediate-release, expect peak plasma concntrations of both compounds between 3 and 5 hours. for the extended release, 5-9 hours for t_{max}. all the best, chemist




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