Low Serum Iron: what it means
A Serum Iron result below the normal range is considered low. Here is what a reduced Serum Iron can point to, and when it is worth discussing with a doctor.
Reference range: 60–170 µg/dL (men); 50–170 µg/dL (women); diurnal variation up to 30%
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What a low Serum Iron can mean
- Iron-deficiency anaemia — together with low ferritin, low TSAT, high TIBC.
- Anaemia of chronic disease — low iron because of hepcidin-mediated sequestration, NOT depletion; ferritin is normal or high, TIBC is low.
- Recent infection — transient drop.
When to discuss with a doctor
Iron-deficiency vs anaemia-of-chronic-disease cannot be distinguished from serum iron alone — the laboratory needs the full iron panel (ferritin + transferrin/TIBC + TSAT) to make the call. Mediora.AI weighs the panel as a whole; do not treat low serum iron in isolation without ferritin to confirm true deficiency.
How to raise a low Serum Iron
- Iron-rich foods - red meat, poultry and fish are best absorbed; legumes, tofu and dark greens add plant iron.
- Add vitamin C (citrus, peppers) to meals to boost absorption; tea, coffee and calcium at mealtime reduce it.
- Serum iron swings through the day and with meals - low ferritin is a more reliable sign of true iron deficiency, so read them together.
- Supplements help but should be guided by your doctor - and the cause of loss (periods, GI, diet) matters more than the pill.
- Recheck with ferritin after 8-12 weeks.
General information, not a treatment plan - decisions about medication or target values belong with your doctor.
Conditions this can relate to
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Upload your test - freeMediora.AI is informational - interpretation, not a diagnosis. A single out-of-range value is common and often benign; always discuss decisions with your doctor.