Can Adderall (dextroamphetamine and racemic amphetamine) not affect me?

Depends on dose. If the dose is low enough, it will not have an effect on an individual.
There are people who. Have adhd but obtain no benefit from Adderall (dextroamphetamine and racemic amphetamine) but may experience side effects if the dose goes high. Target symptoms for Adderall (dextroamphetamine and racemic amphetamine) include inattention, distractibility, hyperactivity, restlessness, impulsivity, low frustration tolerance. If adhd is problematic and not responding to Adderall (dextroamphetamine and racemic amphetamine) then consult your prescriber re dose increase or change to alternative medication. Best regards for relief.