Low Iron: What It Means and What to Do Next

Low iron (below 60 mcg/dL) with high TIBC confirms iron deficiency — the most common nutritional deficiency worldwide. Low iron affects energy, cognition, hair growth, and immunity. It can exist months before causing anemia, which is why testing both iron and ferritin is important.

What Causes Low Iron?

Inadequate Dietary Intake

Low consumption of iron-rich foods (red meat, legumes, fortified grains). Common in vegetarians and restrictive diets.

Blood Loss

Heavy menstrual periods, GI bleeding (ulcers, colon polyps), and frequent blood donation are leading causes.

Malabsorption

Celiac disease, inflammatory bowel disease, H. pylori infection, and gastric bypass reduce iron absorption.

Increased Demand

Pregnancy, adolescent growth, and endurance athletics increase iron requirements beyond normal intake.

Associated Symptoms

FatigueWeaknessPale skinShortness of breathDizzinessCold hands and feetBrittle nailsPica (craving non-food items)

What to Do Next

1. Retest to confirm

A single abnormal result should be confirmed with a repeat test. Temporary factors like stress, illness, or medications can affect results.

Reorder Iron

3. When to see a doctor

If your Iron is significantly abnormal, if you have severe symptoms, or if repeated results confirm the abnormality, consult a healthcare professional for appropriate evaluation and treatment.

See Iron normal ranges

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This page is for informational purposes only and does not constitute medical advice. Consult a healthcare provider for interpretation of your results.

Content reviewed for accuracy by the JustLabs editorial team.