Certain foods and medicines can cause black stool. Sometimes, black stool may even signal bleeding in the digestive tract.

Discover the top causes of black poop like diet, supplements, and gut health conditions, plus the best treatment options according to gastroenterologists.

Black poop, or melena, can happen when there is bleeding in the upper digestive tract, such as the stomach or esophagus. As the blood moves through the intestines, it turns dark, making stool appear ...