Adderall and Mydayis[ten] are trade names for a mix drug named blended amphetamine salts ("MAS" merchandise) made up of 4 salts of amphetamine. The mixture is composed of equal sections racemic amphetamine and dextroamphetamine, which provides a (three:one) ratio (by excess weight) among dextroamphetamine and levoamphetamine, the two enantiomers of