Barb wrote: >Has anyone here on the List had potassium studies done, and/or takes potassium >for reasons other than fatigue but notices they don't/didn't have profound >daily fatigue? Potassium loss can indeed cause fatigue. However, there is no reason for someone not taking diuretics to have a low potassium level. Since an over-dose of potassium can prove *deadly*, it is best to have electrolyte studies done to determine if depletion of potassium is the cause of your fatigue. ------ Mary Ann