Adderall and Mydayis[ten] are trade names for a mixture drug identified as blended amphetamine salts ("MAS" merchandise) made up of 4 salts of amphetamine. The mixture is composed of equal elements racemic amphetamine and dextroamphetamine, which makes a (3:one) ratio (by pounds) between dextroamphetamine and levoamphetamine, the two enantiomers of