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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 metals, including the other group 8 elements, ruthenium and osmium. …

  2. 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 the body. People commonly use iron for preventing and...

  3. Iron | Element, Occurrence, Uses, Properties, & Compounds

    Jan 2, 2026 · Iron (Fe), chemical element and one of the transition elements, the most-used and cheapest metal. Iron makes up 5 percent of Earth’s crust and is second in abundance to aluminum …

  4. 9 Benefits of Iron Supplements That Go Beyond Anemia

    Dec 16, 2025 · Iron supplement benefits include anemia prevention and management, prevention of fatigue, improved athletic performance, hair growth, and more.

  5. 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 system and more.

  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 and hormones. Iron from food comes in two forms: heme and non-heme. …

  7. IRON Definition & Meaning - Merriam-Webster

    The meaning of IRON is a silver-white malleable ductile magnetic heavy metallic element that readily rusts in moist air, occurs in pure form in meteorites and combined in most igneous rocks, is the most …

  8. Iron - Consumer - Office of Dietary Supplements (ODS)

    Iron helps make hemoglobin in red blood cells. Learn how much you need, good sources, deficiency symptoms, and health effects here.

  9. Iron Nutrient Overview: The Role It Plays in Our Health

    Jan 1, 2024 · Iron is an important mineral that your body needs to make hemoglobin, a protein in red blood cells. Red blood cells help carry oxygen throughout your body. You get iron from certain foods, …

  10. Iron - MedlinePlus

    Jun 24, 2024 · Our bodies need the right amount of iron to function properly. Read about what can happen when you consume too much or too little of it.