Adderall and Mydayis[ten] are trade names for a mixture drug named blended amphetamine salts ("MAS" merchandise) made up of four salts of amphetamine. The mixture is made up of equal elements racemic amphetamine and dextroamphetamine, which makes a (three:1) ratio (by pounds) amongst dextroamphetamine and levoamphetamine, the two enantiomers of amp