Adderall and Mydayis[10] are trade names for a mixture drug termed blended amphetamine salts ("MAS" products) containing 4 salts of amphetamine. The combination is composed of equivalent parts racemic amphetamine and dextroamphetamine, which provides a (three:1) ratio (by body weight) concerning dextroamphetamine and levoamphetamine, the two enantiomers of amphetamine. https://pillspulse.com/product-category/adderall/