Could garlic and lettuce powder boost your brain? new study investigates
NCT ID NCT07321821
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether taking a daily powder made from fermented garlic and lettuce for two months can help improve memory and thinking in adults with mild cognitive impairment (MCI). About 60 adults with MCI will take the powder or a placebo. Researchers will measure changes in cognitive test scores to see if the supplement has any benefit.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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60 people
The number who actually took part.
- Started
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Sep 2025
- Expected to finish
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Jan 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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19 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Adults aged 19 years or older with K-MoCA scores between 16 and 23. * Individuals with sufficient vision and hearing to participate in the study without difficulty. * Participants who are currently taking medications or receiving treatments that may affect cognition and are able to maintain the same dosage and regimen throughout the study period. * Individuals who voluntarily agree to participate in the study and provide written informed consent. Exclusion Criteria: * Individuals who have undergone vascular-related surgery within the past 6 months or gastrointestinal surgery that may affect absorption of the study product (excluding simple appendectomy or hernia repair). * Individuals with a clinically significant history of hypersensitivity to medications or dietary supplements. * Individuals with a history of alcohol or drug abuse. * Individuals unable to communicate effectively. * Individuals who have participated in more than two dietary supplement studies or clinical trials within the current year, or within the past 6 months. * Individuals deemed unable to participate safely or effectively in the study by the investigator.
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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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Pusan National University Yangsan Hospital
Yangsan, Gyeongsangnam-do, South Korea
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