Adderall and Mydayis[ten] are trade names for a combination drug known as mixed amphetamine salts ("MAS" items) that contains four salts of amphetamine. The mixture is made up of equivalent parts racemic amphetamine and dextroamphetamine, which produces a (3:one) ratio (by weight) between dextroamphetamine and levoamphetamine, The 2 enantiomers https://pillspulse.com/product-category/adderall/