Understanding Low Ferritin Levels

Causes, Symptoms, and Dietary Solutions

Constantly tired, losing more hair than usual, or feeling out of breath on the stairs, even though your blood test looks "normal"? Your ferritin may be low. In my work as a clinical dietitian, low ferritin is one of the most common, and most overlooked, reasons women feel drained.

Ferritin is simply your body's iron store, think of it as the iron "savings account", not the cash you're spending right now. In this article I'll explain what causes low ferritin, the symptoms to watch for, and exactly which foods help rebuild your iron stores.

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What causes low ferritin?

Causes of Low Ferritin Levels There are several potential reasons for low ferritin levels in the body. The most common cause is iron-deficiency anemia, resulting from insufficient iron supply needed for hemoglobin production.

Other possible causes include gastrointestinal diseases such as celiac disease, Crohn’s disease, or ulcerative colitis, which can disrupt iron absorption. Chronic inflammatory diseases and kidney diseases can also lead to iron deficiencies. Additionally, certain cancers may be associated with low ferritin levels, especially when there’s bleeding involved.

Low ferritin can cause a range of symptoms, including:

• Fatigue and weakness
• Dizziness
• Muscle cramps
• Difficulty concentrating
• Hair loss
• Pale skin
• Brittle nails
• Shortness of breath

Ferritin deficiency not only leads to anemia but can also affect overall health. Inadequate iron levels can reduce the body’s ability to transport oxygen, resulting in fatigue and weakness.

Still have questions? See my ferritin Q&A.

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How do you raise ferritin with food?

The fastest dietary win is pairing iron-rich foods with vitamin C, which can boost absorption significantly.

How to Address Low Ferritin Levels Diet plays a crucial role in increasing ferritin levels. Incorporating iron-rich foods such as red meat, seafood, seeds, legumes, spinach, or eggs into the diet can help raise ferritin levels. However, to ensure effective ferritin increase, it’s also important to properly compose the diet, combining sources of iron with foods containing vitamin C, which enhances iron absorption.

Want to raise your ferritin in a way that actually fits you? Book a 1:1 consultation.

Frequently asked questions:

Can diet alone fix low ferritin? Diet helps rebuild iron stores over time, but if your ferritin is very low your doctor may also recommend supplements. Food and medical advice work best together.

How long does it take to raise ferritin? It varies, but rebuilding iron stores usually takes a few months of consistent changes, not days. Patience matters here.

Why is my ferritin low if my iron is "normal"? Ferritin reflects your stored iron, which can run low before your circulating iron drops. That's why ferritin is such a useful early marker.

Do tea and coffee really block iron? Yes, tannins in tea and coffee reduce iron absorption when taken with meals. Try leaving a gap of about an hour around iron-rich meals.

Summary

Low ferritin levels are a concern that requires attention and proper diagnosis. Symptoms of low ferritin levels can significantly impact daily bodily functions. A diet rich in iron, avoiding substances that may hinder iron absorption, and consulting a doctor to determine the cause of low ferritin levels are crucial for improving health. It’s worth emphasizing that self-supplementation with iron without consulting a doctor may lead to adverse side effects and does not guarantee an improvement in health.