Adderall contains a levoamphetamine element.
Adderall . By salt content , the active ingredients of Adderall are 25 % levoamphetamine salts ( the levorotary or ` left-handed ' enantiomer ) and 75 % dextroamphetamine salts ( the dextrorotary or ` right-handed ' enantiomer ) . Dextroamphetamine is a more potent stimulant than levoamphetamine , but levoamphetamine has slightly stronger cardiovascular and peripheral effects and a longer elimination half-life ( i.e. , it remains in the body longer ) than dextroamphetamine .