It ' s more or less an arbitrary guideline established by the FDA . According to my doctor 30 mg is the upper limit on Adderall but I ' d argue that maybe that ' s only taking into account its use for ADHDThat ' s closer to the ADHD suggested daily limit 40 mg I believe . I think the FDA medication guide suggests up to 60 mg for narcolepsy , which in itself is small in comparison to the 60 mg maximum of Dexedrine , given that 60 mg of Adderall contains roughly ~ 28 . 2 mg of damphetamine after conversion to 31 AMPH sulfate equivalent then multiplying by . 75 . <| sep |> All I can say is to keep trying . AJ Baker elementary school in Kintore was slated to close a couple of years ago and the community rallied together and stopped it . It ' s one of the only schools to do so , but you never know until you try .