Adderall and Mydayis[10] are trade names for a mixture drug known as combined amphetamine salts ("MAS" products) containing 4 salts of amphetamine. The combination is made up of equivalent elements racemic amphetamine and dextroamphetamine, which produces a (three:1) ratio (by weight) amongst dextroamphetamine and levoamphetamine, The 2 enantiomers