Dexedrine 5 mg we should not take this medicine with any fruit juice because it is dangerous to health in any condition. While taking this capsule with vitamin c it gets prohibited to health. It may slow down the effect of the medicine. You should never take this medicine without connecting to the doctor. While taking this get prescribed instruction to the doctor. And anothing things, like whale taking, medicine, don't take and drink fruit juice because of the medicine's effect it shows less on your body.