Adderall and Mydayis[10] are trade names for a mixture drug termed mixed amphetamine salts ("MAS" items) that contains four salts of amphetamine. The combination is made up of equal elements racemic amphetamine and dextroamphetamine, which makes a (3:1) ratio (by bodyweight) amongst dextroamphetamine and levoamphetamine, The 2 enantiomers of amphet