Adderall and Mydayis[ten] are trade names for a mixture drug called mixed amphetamine salts ("MAS" items) that contains four salts of amphetamine. The mixture is composed of equivalent pieces racemic amphetamine and dextroamphetamine, which provides a (three:one) ratio (by body weight) in between dextroamphetamine and levoamphetamine, the two enantiomers https://pillspulse.com/product-category/adderall/