Adderall and Mydayis[10] are trade names for a combination drug called mixed amphetamine salts ("MAS" products) that contains 4 salts of amphetamine. The combination is made up of equal sections racemic amphetamine and dextroamphetamine, which produces a (3:1) ratio (by body weight) in between dextroamphetamine and levoamphetamine, the two enantiom