Adderall and Mydayis[ten] are trade names for a mixture drug identified as combined amphetamine salts ("MAS" items) made up of 4 salts of amphetamine. The mixture is composed of equal areas racemic amphetamine and dextroamphetamine, which provides a (3:1) ratio (by body weight) concerning dextroamphetamine and levoamphetamine, the two enantiomers o