Proxima salt bamboo

What are the reasons for black poop? - fiber heartburn

Now I read other questions on this topic. Como, can be bleached Pepto Bismol. I have for a few nights ago some Maalox heartburn. I've never had this problem before until today. Last night I had two bananas. . . I do not think it could be a cause. However, I have lot my problems with heartburn, a. I went to a doctor for burning to see, says it's stress or have constipation. So I eat fiber. I really hope that is not serious ulcer. Have an idea?