Adderall and Mydayis[ten] are trade names for a combination drug called combined amphetamine salts ("MAS" products) containing four salts of amphetamine. The mixture is composed of equal areas racemic amphetamine and dextroamphetamine, which provides a (3:one) ratio (by pounds) in between dextroamphetamine and levoamphetamine, the two enantiomers of amphetamine. https://pillspulse.com/product-category/adderall/