Brown poop is normal and comes from a pigment called bilirubin. Green poop can happen from eating foods like spinach or from gastrointestinal infections or severe diarrhea. Black, tarry poop can mean ...

Consuming beets can cause a person to pass red-hued stool or urine. This is due to the presence of betalain pigments in beets. Betanin is a strong antioxidant present in each cell in the beetroot. It ...