Adderall and Mydayis[ten] are trade names for a mix drug named combined amphetamine salts ("MAS" products) containing four salts of amphetamine. The mixture is composed of equal areas racemic amphetamine and dextroamphetamine, which produces a (3:one) ratio (by weight) between dextroamphetamine and levoamphetamine, the two enantiomers of amphetamin