text: Another pharmaceutical that contains dextroamphetamine is commonly known by the brand name Adderall. It is available as immediate release (IR) tablets and extended release (XR) capsules. Adderall contains equal amounts of four amphetamine salts:
  * One-quarter racemic (d,l-)amphetamine aspartate monohydrate
  * One-quarter dextroamphetamine saccharate
  * One-quarter dextroamphetamine sulfate
  * One-quarter racemic (d,l-)amphetamine sulfate
  Adderall has a total amphetamine base equivalence of 63%. While the enantiomer ratio by dextroamphetamine salts to levoamphetamine salts is 3:1, the amphetamine base content is 75.9% dextroamphetamine, 24.1% levoamphetamine.