Adderall and Mydayis[ten] are trade names for a combination drug called mixed amphetamine salts ("MAS" solutions) containing four salts of amphetamine. The mixture is composed of equal sections racemic amphetamine and dextroamphetamine, which provides a (3:one) ratio (by weight) among dextroamphetamine and levoamphetamine, The 2 enantiomers of amph