Ferritin Blood Test: High vs Low Ferritin Levels, Normal Range - WebMD
These tests measure the amount of ferritin in your blood. Ferritin is a protein that stores iron. A ferritin test can also give your doctor hints about other conditions you may have.

Ferritin Test: Levels & Test Results - Cleveland Clinic
A ferritin test shows how much or how little iron your body has. Ferritin is a protein in your blood that stores iron. Low levels or high levels can cause symptoms.

Ferritin Blood Test (High, Low, Normal Levels): Meaning, Chart
Ferritin is required for the regulation of free iron levels in circulation and within cells. It is present in most cells of the body, primarily in the liver, spleen, marrow, duodenum, skeletal muscle, and others. The primary function of ferritin is to store iron and release it in a controlled way.

Ferritin test - Mayo Clinic
Ferritin is a blood protein that contains iron. This test can be used to find out how much iron the body stores. If a ferritin test shows that the blood ferritin level is low, it means the body's iron stores are low. This is a condition called iron deficiency. Iron deficiency can cause anemia.

Ferritin - Wikipedia
Ferritin is a universal intracellular and extracellular protein that stores iron and releases it in a controlled fashion. The protein is produced by almost all living organisms, including archaea, bacteria, algae, higher plants, and animals.

What Does Ferritin Do and Why Your Levels Matter
Each ferritin molecule is a hollow protein shell that can hold up to 4,500 iron atoms inside its cavity. When you absorb iron from food, ferritin captures the excess and converts it into a stable, non-toxic form for storage.

Low Ferritin: Symptoms, Causes, and Treatment - GoodRx
In order to store iron, your body also relies on a protein called ferritin. A low ferritin level can make you feel the same way as iron-deficiency anemia — even when your iron levels and blood counts are normal. So, even though ferritin doesn’t get as much attention as iron, it’s just as important. What is ferritin?

Ferritin Blood Test: Understanding High and Low Results - Health
Ferritin is a protein that helps store iron in your body. High or low ferritin levels can indicate an underlying short-term or chronic health condition.

Ferritin Level Blood Test: Purpose, Procedure, and Results
What is ferritin? Ferritin isn’t the same thing as iron in your body. Instead, ferritin is a protein that stores iron and releases it when your body needs it.

Should You Be Concerned About Ferritin Levels? How It Can ... - TODAY
A hemotologist explains what ferritin is and how it can impact your iron levels. Learn how to check your ferritin and how your doctor might interpret your results.