Adderall and Mydayis[ten] are trade names for a mixture drug termed mixed amphetamine salts ("MAS" products) made up of 4 salts of amphetamine. The mixture is composed of equal sections racemic amphetamine and dextroamphetamine, which produces a (3:1) ratio (by weight) in between dextroamphetamine and levoamphetamine, The 2 enantiomers of amphetami