Adderall and Mydayis[ten] are trade names for a combination drug known as blended amphetamine salts ("MAS" products) made up of 4 salts of amphetamine. The mixture is made up of equal areas racemic amphetamine and dextroamphetamine, which produces a (3:1) ratio (by body weight) among dextroamphetamine and levoamphetamine, The 2 enantiomers of amphe