Adderall and Mydayis[10] are trade names for a combination drug called mixed amphetamine salts ("MAS" solutions) made up of four salts of amphetamine. The mixture is composed of equal areas racemic amphetamine and dextroamphetamine, which provides a (three:1) ratio (by bodyweight) between dextroamphetamine and levoamphetamine, the two enantiomers o