Adderall and Mydayis[ten] are trade names for a mix drug identified as mixed amphetamine salts ("MAS" items) that contains 4 salts of amphetamine. The combination is composed of equal elements racemic amphetamine and dextroamphetamine, which produces a (3:1) ratio (by bodyweight) among dextroamphetamine and levoamphetamine, the two enantiomers of a