Adderall and Mydayis[ten] are trade names for a combination drug referred to as blended amphetamine salts ("MAS" solutions) made up of four salts of amphetamine. The mixture is composed of equivalent pieces racemic amphetamine and dextroamphetamine, which provides a (3:1) ratio (by bodyweight) between dextroamphetamine and levoamphetamine, The 2 en