Iron 101: Everything You Need To Know About This Essential Mineral

Medically Reviewed by Dr. Samantha Miller, MBChB

Photo Courtesy: Thomas Barwick/Stone/Getty Images

Iron may be a metal, but it's one that we need to live. In fact, iron is an essential mineral — not just for humans, but for most life forms on Earth. It's so important, in fact, that many foods are actually fortified with iron to ensure that we get enough each day. When an individual's diet contains either too much or too little iron, the side effects can be severe. Not sure where your iron intake falls? Here's everything you need to know about this essential mineral.