Adderall and Mydayis[10] are trade names for a combination drug called mixed amphetamine salts ("MAS" solutions) made up of 4 salts of amphetamine. The combination is made up of equal elements racemic amphetamine and dextroamphetamine, which provides a (three:one) ratio (by bodyweight) amongst dextroamphetamine and levoamphetamine, The 2 enantiomer