Adderall and Mydayis[10] are trade names for a mix drug known as 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) involving dextroamphetamine and levoamphetamine, The 2 enantiomers https://pillspulse.com/product-category/adderall/