Adderall and Mydayis[10] are trade names for a combination drug termed mixed amphetamine salts ("MAS" merchandise) made up of 4 salts of amphetamine. The combination is made up of equivalent parts racemic amphetamine and dextroamphetamine, which creates a (3:one) ratio (by body weight) in between dextroamphetamine and levoamphetamine, the two enant