Adderall and Mydayis[10] are trade names for a combination drug termed mixed amphetamine salts ("MAS" solutions) made up of four salts of amphetamine. The mixture is composed of equivalent parts racemic amphetamine and dextroamphetamine, which generates a (three:one) ratio (by pounds) in between dextroamphetamine and levoamphetamine, The 2 enantiom