 [ Symptoms ] why would my doctor recomend eating a banana every day  i recently had my 3 month metabolic tests and after the results came back my doctor had the nurse call me with the results and he recommended that i eat a banana everyday he also said that my vitamin k level is low any relation [ Disease ] yes adderall can cause nausea as a side effect taking the adderall with food might help combat nausea but if it continues or is really bothersome you should talk to your healthcare provider