Tag: Iron sulfide

According to the National Institutes of Health, taking iron supplements can lead to a change in stool color. This common side effect, which often results in black or dark green feces, is caused by unabsorbed iron reacting with other substances in your digestive tract and is generally considered harmless.

Nearly everyone who takes oral iron supplements will experience a change in their stool color due to unabsorbed iron. Do iron supplements make your poop a different color? The answer is a definitive yes, and understanding this benign side effect can prevent unnecessary alarm and health anxiety.

Overcooking an egg is a common kitchen mishap, often resulting in a rubbery texture and a greenish-gray ring around the yolk. While these aesthetic changes are unappealing, many people wonder: **Is it harmful to eat overcooked eggs?** The answer is more nuanced than a simple yes or no and involves potential nutrient loss and the formation of certain compounds.

According to numerous medical sources, iron supplements are a common cause of changes in stool color, leading it to appear dark green or black. This common phenomenon often prompts concern and questions about **what color does iron turn poop?** and whether it's a sign of a more serious health issue.