Adderall and Mydayis[10] are trade names for a mixture drug identified as blended amphetamine salts ("MAS" products) containing 4 salts of amphetamine. The combination is made up of equivalent areas racemic amphetamine and dextroamphetamine, which makes a (3:1) ratio (by excess weight) among dextroamphetamine and levoamphetamine, the two enantiomers https://pillspulse.com/product-category/adderall/