Adderall and Mydayis[ten] are trade names for a mix drug called combined amphetamine salts ("MAS" products) containing four salts of amphetamine. The combination is made up of equal components racemic amphetamine and dextroamphetamine, which makes a (three:1) ratio (by body weight) in between dextroamphetamine and levoamphetamine, The 2 enantiomers