Adderall and Mydayis[ten] are trade names for a mixture drug referred to as combined amphetamine salts ("MAS" solutions) made up of 4 salts of amphetamine. The mixture is composed of equal areas racemic amphetamine and dextroamphetamine, which produces a (three:1) ratio (by fat) involving dextroamphetamine and levoamphetamine, The 2 enantiomers of