and sometimes green. It's usually due to foods you've eaten, medications you've taken, and how much bile (a greenish digestive fluid) it contains. But poop that looks black or bright red can be a ...

This allows for blue and purple foods to leve behind a residue and that leaves poop green during the digestive process. According to mayoclinic.org, some dietary reasons for black poop include ...

One case report detailed a 93-year-old woman who reported lime-green stool after consuming a hamburger bun dyed black using yellow, blue, and red food dye. It's unclear how exactly food dye ...

But, there are other colours that can indicate a serious problem, Gizmodo reports. GREEN STOOLS Green stools can be caused by many things – they often suggest food is being digested too quickly ...