With Adderall XR, a person dose is taken day-to-day as an alternative to in divided doses. A doctor may still advise the extended-launch dosage not exceed 40 mg daily. Amphetamines are non-catecholamine sympathomimetic amines with CNS stimulant action. The method of therapeutic motion in ADHD is not really acknowledged. † https://prosyntheticchems.com/product/adderall-xr/