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 …

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

Feb 13, 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 aluminum …

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 …

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

Introduction 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 …

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 …

Feb 12, 2026 · Iron is a vital mineral for maintaining good health. Spinach is a good source of iron, but many foods contain more iron than spinach.

Iron deficiency is the most common nutritional deficiency in the world. [1][2][3] Human bodies need iron to help oxygen get to our muscles, because it is at the heart of some essential macromolecules such …

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