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. …

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.

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.

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...

Jun 28, 2026 · 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 element in …

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. …

4 days ago · 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.

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) …

Dec 11, 2024 · Iron-deficiency anemia is when there’s not enough iron in your blood. It can cause fatigue and shortness of breath. Treatments include iron supplements or infusions.

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 …