Adderall and Mydayis[ten] are trade names for a combination drug named mixed amphetamine salts ("MAS" solutions) made up of four salts of amphetamine. The combination is composed of equal components racemic amphetamine and dextroamphetamine, which makes a (3:1) ratio (by weight) between dextroamphetamine and levoamphetamine, The 2 enantiomers of am