Walnut daily may clear Long-COVID brain fog, new study hints
NCT ID NCT07429903
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at whether eating 2 ounces of walnuts every day for 12 weeks could improve memory and reduce brain fog in adults over 40 with Long-COVID. About 31 people took part, comparing walnut eaters to those getting usual care. The goal was to see if walnuts, which are rich in healthy fats and plant chemicals, can ease common Long-COVID symptoms like memory trouble and fatigue.
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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
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UCLA Center for Human Nutrition
Los Angeles, California, 90025, United States
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