Digestive enzymes break it down in the digestive tract, changing its color and texture to black. Iron supplements, Pepto-Bismol, and certain dark foods can cause black stool, but this isn’t true ...

Normal poop color is light to dark brown, but stool comes in different colors. You might occasionally notice your bowel movements are green, yellow, black, orange, tan, and white. It isn't unusual ...

Poop is generally brown, but, at times, it can turn green, red, black, yellow ... in the plants produces a green color. Alternatively, people may have green stool after eating artificially ...