Adderall and Mydayis[ten] are trade names for a mixture drug named blended amphetamine salts ("MAS" goods) containing four salts of amphetamine. The mixture is made up of equal pieces racemic amphetamine and dextroamphetamine, which creates a (3:1) ratio (by bodyweight) among dextroamphetamine and levoamphetamine, The 2 enantiomers of amphetamine.