Adderall and Mydayis[10] are trade names for a mixture drug identified as blended amphetamine salts ("MAS" items) that contains 4 salts of amphetamine. The combination is made up of equivalent parts racemic amphetamine and dextroamphetamine, which creates a (3:1) ratio (by bodyweight) amongst dextroamphetamine and levoamphetamine, The 2 enantiomers