Adderall and Mydayis[ten] are trade names for a combination drug called combined amphetamine salts ("MAS" items) made up of 4 salts of amphetamine. The mixture is made up of equal areas racemic amphetamine and dextroamphetamine, which produces a (3:1) ratio (by bodyweight) concerning dextroamphetamine and levoamphetamine, the two enantiomers of amp