Iron is a mineral. Most of the iron in the body is found in red blood cells and muscle cells. Food sources include meat, fish, beans, spinach, and cereal.
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 treating different types of anemia caused by low iron levels. It is also used for heart failure, memory and thinking skills, child development, fatigue, ADHD, and many other conditions.
Multivitamins are used to provide vitamins that are not taken in through the diet. Multivitamins are also used to treat vitamin deficiencies (lack of vitamins) caused by illness, pregnancy, poor nutrition, digestive disorders, and many other conditions.