Black specks in stool can come from diet or something more serious, such as liver problems. Read about causes, symptoms, and when to see a doctor. Medical News Today ...

Blood in Stool (Hematochezia): Learn causes of bloody stools, the tests to diagnose the ... or take supplements such as iron or some ... This long-term condition inflames parts of your ...

You may notice green poop if you take antibiotics and iron supplements. Other causes of green stool include green dyes or green vegetables and fruits.

If you have iron-deficiency anemia, you should take an iron supplement. But here’s an interesting pro-tip I share with my patients: Don’t take it every day.