Adderall and Mydayis[10] are trade names for a mix drug called combined amphetamine salts ("MAS" products) that contains four salts of amphetamine. The combination is composed of equal parts racemic amphetamine and dextroamphetamine, which makes a (3:1) ratio (by pounds) amongst dextroamphetamine and levoamphetamine, the two enantiomers of amphetam