Adderall and Mydayis[ten] are trade names for a mix drug termed mixed amphetamine salts ("MAS" merchandise) made up of 4 salts of amphetamine. The mixture is composed of equal areas racemic amphetamine and dextroamphetamine, which produces a (3:1) ratio (by bodyweight) between dextroamphetamine and levoamphetamine, the two enantiomers of amphetamin