Adderall and Mydayis[10] are trade names for a combination drug called combined amphetamine salts ("MAS" products) that contains 4 salts of amphetamine. The combination is composed of equal pieces racemic amphetamine and dextroamphetamine, which creates a (3:one) ratio (by weight) between dextroamphetamine and levoamphetamine, The 2 enantiomers of amphetamine. https://pillspulse.com/product-category/adderall/