Adderall and Mydayis[ten] are trade names for a mix drug identified as blended amphetamine salts ("MAS" solutions) containing four salts of amphetamine. The mixture is composed of equal areas racemic amphetamine and dextroamphetamine, which provides a (three:1) ratio (by bodyweight) involving dextroamphetamine and levoamphetamine, The 2 enantiomers