I have black flecks in my poop what could this be a sign of?

Undigested food: These are likely undigested food particle and are not a cause for concern. Have a diet rich in fresh vegetables, fruits, whole grains, low fat milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco or alcohol in any form.

Bleeding: Dark black stools can be a sign of bleeding in your upper digestive tract (stomach or the duodenum, the first part of the small intestine). You should see a doctor and have your stool tested for blood. Bleeding in the digestive tract can be life threatening on is own, and can be a sign of cancers or other serious illness. Please be seen soon.