Adderall and Mydayis[ten] are trade names for a combination drug identified as blended amphetamine salts ("MAS" items) that contains 4 salts of amphetamine. The mixture is made up of equivalent pieces racemic amphetamine and dextroamphetamine, which creates a (3:one) ratio (by pounds) in between dextroamphetamine and levoamphetamine, the two enanti