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 …

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...

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.

Dec 16, 2025 · Iron supplement benefits include anemia prevention and management, prevention of fatigue, improved athletic performance, hair growth, and more.

Jan 2, 2026 · 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 …

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 …

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: …

Iron is the main ingredient used to make steel. Raw iron is magnetic (attracted to magnets), and its compound magnetite is permanently magnetic. In some regions iron was used around 1200 …

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 …

Iron helps make hemoglobin in red blood cells. Learn how much you need, good sources, deficiency symptoms, and health effects here.