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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 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. Infants and children need to get enough iron from their diets too.

  3. Iron: Overview, Uses, Side Effects, Precautions, Interactions ...

    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...

  4. 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.

  5. Iron Blood Test: What It Is & Results - Cleveland Clinic

    Oct 9, 2025 · Iron is an essential mineral that helps your body make hemoglobin, which carries oxygen to your cells and organs. You get iron from the foods you eat or from supplements.

  6. Iron - Health Professional Fact Sheet - Office of Dietary ...

    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) …

  7. Iron | Element, Chemical Formula, Chemical Name, Atomic Mass ...

    May 27, 1999 · Iron makes up 5 percent of Earth’s crust and is second to aluminum in abundance among the metals. Because it is the chief constituent of Earth’s core, iron is the most abundant …

  8. 10 Signs and Symptoms Your Iron Levels Might Be Too Low

    Sep 12, 2025 · Iron is an essential nutrient, necessary for maintaining the health of the brain, immune system, muscles, skin, hair, and nails. Low iron levels, or iron deficiency, can cause various …

  9. 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. …

  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," says Paul Thomas, EdD, RD, a scientific consultant to the National …