Adderall and Mydayis[10] are trade names for a mixture drug referred to as combined amphetamine salts ("MAS" products) that contains 4 salts of amphetamine. The mixture is composed of equal areas racemic amphetamine and dextroamphetamine, which makes a (three:one) ratio (by body weight) between dextroamphetamine and levoamphetamine, The 2 enantiome