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

    Nov 11, 2025 · 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 …

  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 system and more.

  4. Iron - Health Professional Fact Sheet

    Iron is a mineral that is naturally present in many foods, added to some food products, and available as a dietary supplement. Iron is an essential component of hemoglobin, an erythrocyte (red blood cell) …

  5. 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. …

  6. 7 Foods With More Iron Than Red Meat - Health

    1 day ago · Red meat is high in iron, but other foods, like lentils, oysters, and spinach, are more concentrated in this essential mineral.

  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 …