 [ Symptoms ] what illnesses often co exist with bipolar disorder [ Disease ] only a doctor can diagnose you with ibs or another related gastrointestinal disorder but from what you have shared it seems your increase in bowel movements is due to your increase in fiber especially if you are not feeling abdominal pain or bloating and your bowels are not hard or really loose for more on the symptoms of ibs see this webmd article if your daily bowel movements are due to increasing your fiber as i suspect your bowels will likely evolve to less frequent as your body adapts if you feel something is wrong though do not hesitate to see your healthcare provider best of luck to you