Adderall and Mydayis[10] are trade names for a mixture drug called mixed amphetamine salts ("MAS" items) that contains four salts of amphetamine. The combination is composed of equal elements racemic amphetamine and dextroamphetamine, which makes a (three:1) ratio (by bodyweight) among dextroamphetamine and levoamphetamine, the two enantiomers of amphetamine. https://pillspulse.com/product-category/adderall/