Stercobilinogen

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Notion

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Science and technology

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What Wikipedia says

Stercobilinogen (fecal urobilinogen) is a chemical created by bacteria in the gut. It is made of broken-down hemoglobin. It is further processed to become the chemical that gives feces its brown color.

Excerpt from the Wikipedia article “Stercobilinogen”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Edgar181, Public domain, via Wikimedia Commons.