Adderall and Mydayis[ten] are trade names for a combination drug termed mixed amphetamine salts ("MAS" merchandise) made up of 4 salts of amphetamine. The combination is composed of equivalent pieces racemic amphetamine and dextroamphetamine, which produces a (3:one) ratio (by fat) in between dextroamphetamine and levoamphetamine, The 2 enantiomers