Adderall and Mydayis[10] are trade names for a mixture drug termed combined amphetamine salts ("MAS" products) made up of 4 salts of amphetamine. The mixture is composed of equivalent elements racemic amphetamine and dextroamphetamine, which produces a (three:1) ratio (by pounds) concerning dextroamphetamine and levoamphetamine, the two enantiomers