High-fiber foods like raw veggies are the most likely cause of undigested food in your stool because your body has a harder time breaking them down. Food pieces in stool can be fairly common ...

Spotting undigested food in stool is often harmless, linked to high-fiber diets or poor chewing. However, persistent ...

In people with these conditions, the pancreas cannot provide enough enzymes for the intestines to digest food. Undigested fat can lead to yellow stool that also appears greasy or frothy.