Adderall and Mydayis[ten] are trade names for a mixture drug known as blended 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:1) ratio (by pounds) in between dextroamphetamine and levoamphetamine, the two enantiomers of