Adderall and Mydayis[10] are trade names for a combination drug known as combined amphetamine salts ("MAS" items) made up of 4 salts of amphetamine. The mixture is made up of equivalent parts racemic amphetamine and dextroamphetamine, which creates a (3:1) ratio (by fat) involving dextroamphetamine and levoamphetamine, the two enantiomers of amphet