Adderall and Mydayis[ten] are trade names for a mix drug named blended amphetamine salts ("MAS" merchandise) made up of four salts of amphetamine. The mixture is made up of equivalent components racemic amphetamine and dextroamphetamine, which generates a (three:one) ratio (by weight) among dextroamphetamine and levoamphetamine, the two enantiomers