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Hepcidin

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Also called: Hepcidin-25 (human), Hepcidin Protein (BSA), Hepcidin 25

By The Health Stacks Research TeamUpdated September 5, 2026

Hepcidin is a tiny substance made mostly in the liver. It acts like a master switch for iron in the body. It is not a medicine you buy, but a natural part of the blood. Doctors and scientists look at it to understand health. It helps stop the body from absorbing too much iron from food. It also keeps iron from leaving storage cells. This is important because too much iron can be bad for organs. This substance works by blocking a door called ferroportin.

Ferroportin lets iron out of cells and into the blood. When hepcidin levels are high, the doors stay shut. This traps iron inside cells. When levels are low, the doors open, and iron enters the blood. It also helps fight germs like bacteria and fungus. It is part of the body's defense system. This is why it is linked to sickness and swelling. Scientists are still learning exactly how it works in different people.

High levels can cause low iron in the blood. Low levels can lead to too much iron. This can happen in diseases like hemochromatosis. There are tests to measure it, but it is not a common vitamin. It is mostly used for research right now. We do not know all the side effects yet. It is a complex piece of the body's puzzle.

ApprovedApproved by a regulator (e.g. FDA) for a specific medical use — the highest research-status tier. Verified confidence80–100 — backed by strong, well-corroborated sources (peer-reviewed research, clinical guidelines). Our highest confidence tier.

Benefits

What Hepcidin Helps With

The benefits people report — backed by research.

Renal & hepatic (3)

Hepcidin deficiency leads to progressive iron accumulation resembling human hemochromatosis 95/100Rated 95/100Source typePeer-reviewed studyIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →Hepcidin overexpression results in decreased body iron levels and severe microcytic hypochromic anemia 95/100Rated 95/100Source typePeer-reviewed studyIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →Hepcidin agonists and antagonists may have pharmaceutical utility in treating iron homeostasis disorders 85/100Rated 85/100Source typePeer-reviewed studyIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →

More reported benefits (5)

Hepcidin regulates plasma iron levels by binding to ferroportin 95/100Rated 95/100Source typePeer-reviewed studyIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →Hepcidin induces internalization and degradation of ferroportin 95/100Rated 95/100Source typePeer-reviewed studyIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →Frataxin is highly susceptible to oxidants 90/100Rated 90/100Source typePeer-reviewed studyIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →Hepcidin acts as a key iron regulator whose induction decreases dietary iron absorption and transplacental iron transport 95/100Rated 95/100Source typePeer-reviewed studyIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →Hepcidin exhibits antimicrobial activity 90/100Rated 90/100Source typePeer-reviewed studyIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →

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Evidence

Research Citations (3)

Every claim above traces back to a source you can check — here are 3 of them.

  • Evaluation of Hepcidin Level in COVID-19 Patients Admitted to the Intensive Care Unit.

    2022 95/100Rated 95/100Source typePeer-reviewed studyIndependent sourcesstill being verifiedEvery claim links to the page it came from, and stronger sources rate higher. Full methodology →
    Source

  • Chronic hepcidin induction causes hyposideremia and alters the pattern of cellular iron accumulation in hemochromatotic mice.

    95/100Rated 95/100Source typePeer-reviewed studyIndependent sourcesstill being verifiedEvery claim links to the page it came from, and stronger sources rate higher. Full methodology →
    Source

  • The solution structure of human hepcidin, a peptide hormone with antimicrobial activity that is involved in iron uptake and hereditary hemochromatosis

    95/100Rated 95/100Source typePeer-reviewed studyIndependent sourcesstill being verifiedEvery claim links to the page it came from, and stronger sources rate higher. Full methodology →
    Source

Timeline

History & Milestones

Key moments in Hepcidin’s research and regulatory timeline — sourced and dated.

  1. Evaluation of Hepcidin Level in COVID-19 Patients Admitted to the Intensive Care UnitPublicationNov 2, 2022
    Related:Hepcidin
    95/100Rated 95/100Source typePeer-reviewed studyIndependent sourcesstill being verifiedEvery claim links to the page it came from, and stronger sources rate higher. Full methodology →↗ source

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