Adderall and Mydayis[ten] are trade names for a mixture drug termed mixed amphetamine salts ("MAS" solutions) made up of four salts of amphetamine. The mixture is composed of equal pieces racemic amphetamine and dextroamphetamine, which creates a (3:one) ratio (by excess weight) amongst dextroamphetamine and levoamphetamine, The 2 enantiomers of am