Adderall stimulates the centreal nervous system by the use of 4 amphetamine salts. The 4 salts are:
- amphetamine aspartate
- amphetamine sulfate
- dextroamphetamine saccharate
- dextroamphetamine sulfate
The last salt in the list, dextroamphetamine sulfate, can also be found alone in a druge called dexedrine. Because of the use of four different salts, the manufacture claims that the difference in metabolism rates allows the Adderall's, affects to have smaller highs and lows and be a generally smoother drug to use over similar drugs that treat the same conditions. This claim by the manufacture is backed with very little evidence, which has slowed the claim for immediate release adderall. Recent studies have proven that sustained releases of dexamphetamine lasted longer in duration to Adderall, and are much less expensive. The only down side to using dexamphetamine is that the drug is much less effective in the first few hours of dosage.
Marketed as Adderall XR, the druge can now be found in an 'immediate-release' tablet or an 'extended-release' capsule. Due to the nature of all of these forms of treatment, I strongly recommend consulting a medical professional who will be able to provide you with more information, and guide you in the right direction.