Adderall XR 20mg is a prescription medication used in the treatment of ADHD. It is a stimulant that works by restoring the balance of certain natural chemicals in the brain to improve focus, attention, and impulse control. Adderall XR is typically prescribed to manage symptoms of ADHD in adults and children. It should only be taken as directed by a healthcare provider to ensure safe and effective treatment. Purchasing Adderall XR online in the USA without a valid prescription is illegal and can be dangerous.