Vyvanse consists of just one form of amphetamine, lisdexamfetamine, that is inactive By itself but is transformed to dextroamphetamine in the human body. Headache was a typical side impact in medical experiments of Adderall XR. It’s not recognised how frequent this side outcome was in medical scientific studies of Adderall. https://ricardoksuus.tusblogos.com/26771109/adderall-xr-shortage-update-an-overview