Adderall and Mydayis[ten] are trade names for a mixture drug referred to as combined amphetamine salts ("MAS" products) made up of 4 salts of amphetamine. The combination is composed of equal elements racemic amphetamine and dextroamphetamine, which makes a (three:one) ratio (by weight) among dextroamphetamine and levoamphetamine, the two enantiome