Doctors perform several tests to determine the safety and lowest effective doses of Adderall. . These two categories of Adderall are the immediate-release and extended-release formulation of Adderall.

Adderall XR or extended-release is beneficial when around-the-clock treatment is required. The CNS stimulants work inside the brain and change a few natural compounds inside the mind. This change in the number of CNS compounds promotes a feeling of calmness and relaxation. It generally increases the MAO receptors inside the brain that helps in controlling impulsive nature and hyperactivity.