Can a common supplement ease long COVID? small study hints at hope
NCT ID NCT06974058
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This completed study tested a dietary supplement containing quercetin and curcumin in 15 adults with mild to moderate Long COVID symptoms like fatigue, brain fog, and body pain. Participants took two capsules twice daily for 8 weeks. The goal was to see if the supplement could reduce overall symptom burden and improve quality of life.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- quercetin and curcumin dietary supplement
- What this could lead to
- If it works, this could point toward a simple, over-the-counter supplement to help manage lingering Long COVID symptoms like fatigue and pain.
- What could go wrong
- This was a very small study with only 15 people and no placebo group, so results may not be reliable or apply to everyone. Supplements are not strictly regulated, so quality and effects can vary.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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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
-
Liaquat University of Medical & Health Sciences (LUMHS)
Jamshoro, Sindh, 76090, Pakistan
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Five years on: how does long COVID evolve?
- Could exercise retrain the heart in long COVID?
- Can brain games and gentle currents lift long COVID brain fog?
- Can brain training zap long COVID brain fog?
- Ear device zaps vagus nerve in bid to quiet long COVID fatigue and brain fog
- Smartphone therapy could ease long COVID's mental toll