Adderall and Mydayis[10] are trade names for a mixture drug referred to as blended amphetamine salts ("MAS" merchandise) made up of 4 salts of amphetamine. The mixture is made up of equal parts racemic amphetamine and dextroamphetamine, which generates a (3:1) ratio (by pounds) among dextroamphetamine and levoamphetamine, the two enantiomers of amp