Iron pills may give female footballers a performance edge

NCT ID NCT04526678

First seen Aug 11, 2026 · Last updated Aug 12, 2026 · Updated 1 time

Summary

This pilot study looks at whether a daily low-dose iron supplement (27 mg for three months) can improve iron status, gut health, and endurance in young female elite football players. Researchers will track diet, blood markers like hemoglobin and ferritin, gut leakage indicators, and performance on a football-specific endurance test. The goal is to see if simple iron supplementation can help these athletes maintain healthy iron levels and potentially enhance their performance.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
Iron supplement (27 mg daily)
What this could lead to
If effective, daily low-dose iron could help young female athletes maintain healthy iron levels, potentially boosting endurance and overall performance.
What could go wrong
This is a small pilot study, so results may not apply broadly. Iron supplements can cause digestive discomfort, and the effect on performance is not guaranteed.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Norwegian University of Life Sciences

    Ås, 1433, Norway

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