Ferritin — Iron Storage — 60-Second Protocol
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lab guide · 2026-08-28
Ferritin drops long before anaemia shows up on a blood count.
Ferritin reflects the body iron storage. Low ferritin precedes anaemia and shows up first as fatigue, brittle hair, restless legs, or shortness of breath on exertion. Very high values point to inflammation or iron overload.
The protocol
| Units | ng/mL |
| Standard range | 15–150 (women); 30–400 (men) |
| Optimal range | 50–150 (women); 70–200 (men) |
| <30 | low stores — symptoms likely |
| 30-50 | borderline |
| 50-200 | optimal range |
| ≥300 + normal CRP | investigate haemochromatosis |
| Low | iron-rich foods, paired with vitamin C; consider supplement if persistent |
| High | avoid iron supplements, check CRP and ferritin trend |
| Testing | retest 3 months after change |
Full transcript
Ferritin drops long before anaemia shows up on a blood count. It reflects the body's iron storage, and low ferritin shows up first as fatigue, brittle hair, restless legs, or shortness of breath on exertion. Under thirty is low stores, and symptoms are likely. Fifty to one hundred fifty is the target band for women, seventy to two hundred for men. Very high values point to inflammation or iron overload — not to strength. Test it, then take the number to a clinician. agegen.ai. Generate your prime age! ~~ Mr. Age
Sources
- https://medlineplus.gov/lab-tests/ferritin-blood-test/
- https://medlineplus.gov/ency/article/002422.htm
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