Adderall and Mydayis[ten] are trade names for a combination drug called mixed amphetamine salts ("MAS" products) that contains 4 salts of amphetamine. The combination is made up of equal areas racemic amphetamine and dextroamphetamine, which makes a (three:one) ratio (by bodyweight) involving dextroamphetamine and levoamphetamine, The 2 enantiomers