About 102,000 results
Open links in new tab
  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 - Uses, Side Effects, and More - WebMD

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

  4. 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 …

  5. 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.

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

    May 27, 1999 · 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 …

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

    This is a fact sheet intended for health professionals. For a general overview, see our consumer fact sheet. Introduction Iron is a mineral that is naturally present in many foods, added to some food …

  8. IRON Definition & Meaning - Merriam-Webster

    3 days ago · 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, …

  9. Iron - The Nutrition Source

    Iron is a major component of hemoglobin, a type of protein in red blood cells that carries oxygen from your lungs to all parts of the body. Without enough iron, there aren’t enough red blood cells to …

  10. What Does Iron Do to the Body? Roles and Functions

    Iron does more than prevent anemia. Learn how it supports oxygen transport, brain function, immunity, and what happens when levels are too high or too low.