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 combination is composed of equal pieces racemic amphetamine and dextroamphetamine, which produces a (3:1) ratio (by excess weight) involving dextroamphetamine and levoamphetamine, The 2 enantiomers of a