question: My daughter is 13 years old and suffers from chronic abdominal pain . We have kept food diaries, cut out dairy, taken Lactaid, been to counseling thinking it was stress related. Nothing works. Sometimes constipation, but lately, a lot of diarrhea . We had labs checked to rule out Celiac disease and a host of others. The only abnormal level was low vitamin d . Will supplementing the vitamin d take her pain away? I was told her PCP will not refer to a GI specialist unless 2 or more of these labs were abnormal...