Adderall and Mydayis[ten] are trade names for a mixture drug called mixed amphetamine salts ("MAS" items) that contains 4 salts of amphetamine. The mixture is made up of equivalent parts racemic amphetamine and dextroamphetamine, which creates a (three:one) ratio (by pounds) in between dextroamphetamine and levoamphetamine, The 2 enantiomers of amp