Adderall and Mydayis[10] are trade names for a mixture drug called combined amphetamine salts ("MAS" products) that contains 4 salts of amphetamine. The combination is made up of equivalent components racemic amphetamine and dextroamphetamine, which makes a (three:one) ratio (by weight) among dextroamphetamine and levoamphetamine, The 2 enantiomers