Adderall and Mydayis[ten] are trade names for a mix drug named blended amphetamine salts ("MAS" products) containing four salts of amphetamine. The mixture is composed of equal areas racemic amphetamine and dextroamphetamine, which creates a (three:one) ratio (by pounds) among dextroamphetamine and levoamphetamine, the two enantiomers of amphetamin