Adderall and Mydayis[10] are trade names for a combination drug termed mixed amphetamine salts ("MAS" items) that contains 4 salts of amphetamine. The combination is made up of equal elements racemic amphetamine and dextroamphetamine, which generates a (3:one) ratio (by bodyweight) involving dextroamphetamine and levoamphetamine, The 2 enantiomers