Buy Adderall online, Adderall is one of the brand names for mixed amphetamine salts, a combination drug that contains four different amphetamine salts. Dextroamphetamine and levoamphetamine, the two enantiomers of amphetamine, are produced in a 3:1 ratio from the mixture of racemic amphetamine and dextroamphetamine. Even though both enantiomers of amphetamine are stimulants, racemic amphetamine or dextroamphetamine, which are available under the brand names Evekeo and Dexedrine/Zenzedi, respectively, have different effects profiles than Adderall.