Adderall and Mydayis[10] are trade names for a combination drug named blended amphetamine salts ("MAS" items) that contains 4 salts of amphetamine. The combination is composed of equivalent sections racemic amphetamine and dextroamphetamine, which produces a (3:1) ratio (by bodyweight) amongst dextroamphetamine and levoamphetamine, The 2 enantiomer