Adderall and Mydayis[ten] are trade names for a mixture drug known as combined amphetamine salts ("MAS" products) containing 4 salts of amphetamine. The combination is composed of equal parts racemic amphetamine and dextroamphetamine, which generates a (three:one) ratio (by weight) in between dextroamphetamine and levoamphetamine, The 2 enantiomers