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  1. Iron - Wikipedia

    Chemically, the most common oxidation states of iron are iron (II) and iron (III). Iron shares many properties with other transition …

  2. Iron deficiency anemia - Symptoms & causes - Mayo Clinic

    Sep 20, 2025 · Iron-rich foods include meat, eggs, leafy green vegetables and ready-made foods that have iron added to them. …

  3. Iron: What It Is and Health Benefits

    Jul 25, 2024 · Iron is a key component to making sure that your body has oxygen-rich blood. That’s important for your brain, immune …

  4. Iron - Uses, Side Effects, and More - WebMD

    Iron helps red blood cells carry oxygen from the lungs to cells all over the body. Iron also plays a role in many important functions in …

  5. Iron | Element, Chemical Formula, Chemical Name, Atomic Mass, …

    Jun 28, 2026 · Iron makes up 5 percent of Earth’s crust and is second to aluminum in abundance among the metals. Because it is …

  6. Iron - The Nutrition Source

    Iron is important for healthy brain development and growth in children, and for the normal production and function of various cells …

  7. 10 Signs and Symptoms Your Iron Levels Might Be Too Low

    4 days ago · Low iron levels, or iron deficiency, may cause a variety of symptoms or signs, such as fatigue, paleness, headache, …

  8. Iron - Health Professional Fact Sheet - Office of Dietary Supplements

    Iron is a mineral that is naturally present in many foods, added to some food products, and available as a dietary supplement. Iron is …

  9. Iron-Deficiency Anemia: Symptoms, Causes & Treatment

    Dec 11, 2024 · Iron-deficiency anemia is when there’s not enough iron in your blood. It can cause fatigue and shortness of breath. …

  10. Iron: What You Need to Know - WebMD

    Nov 14, 2022 · Iron is an essential mineral. "The major reason we need it is that it helps to transport oxygen throughout the body," …