Adderall 30mg is usually used for controlling the levels of chemicals present in our brains; that are Norepinephrine and Dopamine. Adderall 30mg comprises of a mishmash of amphetamine and dextroamphetamine – two central nervous system stimulants affecting Norepinephrine and Dopamine (chemicals in the brain). It plays a huge role in controlling hyperactivity. Adderall works by raising the dopamine levels within the brain. Dopamine is considered the body’s “feel good” chemical and causes a pleasing effect.