Adderall and Mydayis[10] are trade names for a combination drug termed mixed amphetamine salts ("MAS" merchandise) made up of 4 salts of amphetamine. The mixture is made up of equal parts racemic amphetamine and dextroamphetamine, which provides a (three:1) ratio (by bodyweight) among dextroamphetamine and levoamphetamine, the two enantiomers of am