Buy Adderall 5mg Online with overnight shipment at best prices. Adderall 5mg exists as the first subset of both variants immediate and extended-release. However, the mechanism rate and properties survive for different duration in the body. Adderall IR and Adderall XR both have some similarities and dissimilarities- Similarities- Adderall IR and Adderall XR belong to the same drug class named as stimulates. Besides, both variants function by affecting some natural chemicals in the brain that boost hyper activities. Each of the variants comes into the market with its subsets. Differences- Adderall XR releases its properties gradually over time, whereas Adderall IR functions abruptly after consumption. None of the variants is advised to by children younger than three years due to unwanted side effects. Adderall XR is not used on an as-needed basis, whereas Adderall IR is used on an as-needed basis.