Adderall and Mydayis[ten] are trade names for a combination drug called mixed amphetamine salts ("MAS" solutions) made up of 4 salts of amphetamine. The combination is composed of equal components racemic amphetamine and dextroamphetamine, which creates a (3:1) ratio (by fat) concerning dextroamphetamine and levoamphetamine, the two enantiomers of