Pine bark extract put to the test against long COVID symptoms

NCT ID NCT05890534

First seen May 02, 2026 · Last updated May 24, 2026 · Updated 5 times

Summary

This study tested whether Pycnogenol, a natural extract from pine bark, can improve overall health in people with Long COVID. 153 adults with ongoing symptoms like fatigue, brain fog, or shortness of breath took either Pycnogenol or a placebo daily for 12 weeks. The main goal was to see if their self-rated health status improved by the end of the study.

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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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Contacts and locations

Locations

  • University of Zurich, Epidemiology, Biostatistics and Prevention Institute, Department of Public & Global Health

    Zurich, 8001, Switzerland

Conditions

Explore the condition pages connected to this study.