Seaweed supplement fails to give cyclists an edge
NCT ID NCT07611877
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This small study tested whether a brown seaweed extract called Ecklonia cava could improve cycling performance in 12 trained cyclists. Participants took either the supplement or a placebo before exercise. The results showed no improvement in power output, sprint performance, or other measures like blood lactate and heart rate. The supplement did not help performance.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Ecklonia cava (brown seaweed extract)
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Locations
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Department of Applied and Human Sciences
Kingston upon Thames, KT1 2EE, United Kingdom