what is an equivalent to vyvanse?
Equal to TDD of Dexadrine IR. Lisdexamfetamine(Vyvanse)25 mg A bit tricky: A prodrug that is converted to dextroamphetamine by the hydrolytic activity of red blood cells. The âconversion rateâ is measured at 0.2948, meaning 30mg Vyvanse is equal to 8.85 mg dextroamphetamine, or 11.8 mg Adderall.