Adderall and Mydayis[ten] are trade names for a mix drug called blended amphetamine salts ("MAS" products) made up of 4 salts of amphetamine. The mixture is made up of equivalent elements racemic amphetamine and dextroamphetamine, which creates a (3:1) ratio (by fat) amongst dextroamphetamine and levoamphetamine, the two enantiomers of amphetamine.