Adderall and Mydayis[ten] are trade names for a combination drug known as blended amphetamine salts ("MAS" goods) made up of four salts of amphetamine. The mixture is composed of equal areas racemic amphetamine and dextroamphetamine, which makes a (three:1) ratio (by weight) involving dextroamphetamine and levoamphetamine, The 2 enantiomers of amph