Iron studies blood test

Key facts Iron studies are blood tests that look at how much iron is in your body. Having either too little or too much iron can cause serious health problems. Your doctor will explain your test results. Why is there iron in my body? Iron is an essential part of many cells in your body, including your blood and muscle cells. In particular, iron is a vital part of haemoglobin, a protein found in red blood cells that helps carry oxygen around your body. When you don’t have enough iron in your body, you may have difficulty making new blood cells. New