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  1. Iron - Wikipedia

    Iron is a chemical element; it has symbol Fe (from Latin ferrum 'iron') and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table. It is, by mass, the most …

  2. Iron: What It Is and Health Benefits

    Jul 25, 2024 · Iron is an essential nutrient. So essential, in fact, that foods from infant formula to breakfast cereal are often fortified with iron. Learn why it matters so much and how to make sure …

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

    Sep 20, 2025 · Iron deficiency anemia is a common type of anemia. Anemia is a condition in which the blood doesn't have enough healthy red blood cells. Red blood cells carry oxygen to the body's …

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

    Learn more about Iron uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain Iron.

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

    Apr 22, 2026 · Iron (Fe) is a chemical element and one of the transition elements. It is the most widely used and least expensive metal. Iron makes up 5 percent of Earth’s crust and is second to aluminum …

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

    Iron overview for health professionals. Research health effects, dosing, sources, deficiency symptoms, side effects, and interactions here.

  7. Iron - The Nutrition Source

    Iron Iron is an important mineral that helps maintain healthy blood. A lack of iron is called iron-deficiency anemia, which affects about 4-5 million Americans yearly. [1] It is the most common nutritional …

  8. 10 Iron-Packed Foods for Combating Anemia and Supporting Good …

    Apr 16, 2026 · Iron-rich foods are an essential part of any balanced diet. Know which foods are high in iron so you can add them to your favorite recipes.

  9. 10 Signs and Symptoms Your Iron Levels Might Be Too Low

    Sep 12, 2025 · Low iron levels, or iron deficiency, may cause a variety of symptoms or signs, such as fatigue, paleness, headache, dizziness, or a craving for chewing ice.

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

    Jan 14, 2026 · Iron is an important mineral that your body needs to make hemoglobin, a protein in red blood cells. Red blood cells carry oxygen throughout your body.