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Posted by student on January 06, 2002 at 13:01:41:In Reply to: aderall & Provagil better than ritalin? posted by Shelly on January 05, 2002 at 20:14:58:
On a chemical level, adderall (amphetamine) and ritalin (methylphenidate) are similar in structure, except for a small structural difference (methylphenidate has an extra methyl group), thus lacking an amino terminus. There are also differences with regard to stereoisomerism (but I won't go into that) :)
Ritalin and Adderall function similarly, in being stimulants, but they both work differently--some people find one to work better for them than the other....
Provigil is different form these latter two drugs, in that it is not an amphetamine. From what I've read, provigil doesn't stimulate the whole brain (like the latter drugs), and it only stimulates the part of the brain controlling awakeness/alertness (somewhere in the hypothalamus). I don't think that researchers have completely determined how provigil works (on a molecular level), but they know it works.
Provigil works wonders for some patients, and not for others, like the other drugs. It's sort of a trial-and-error process, that your doctor will help you with...
Best of luck....
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