Adderall and Mydayis[10] are trade names for a mixture drug named blended amphetamine salts ("MAS" items) that contains 4 salts of amphetamine. The combination is made up of equivalent parts racemic amphetamine and dextroamphetamine, which generates a (three:one) ratio (by body weight) between dextroamphetamine and levoamphetamine, the two enantiom