Can berry leaves boost memory? new study tests supplement in seniors
NCT ID NCT06819163
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested whether a daily berry leaf extract supplement could improve memory, attention, and mood in healthy adults aged 60 to 80 who had minor memory complaints. Over 12 weeks, 109 participants took either the supplement or a placebo. The main focus was on changes in working memory and other cognitive skills.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- berry leaf extract
- What this could lead to
- If it works, this could point toward a natural supplement to help maintain memory and attention in older adults.
- What could go wrong
- This is a small, completed study with no phase designation, so results may not be conclusive or generalizable. The effect on cognitive performance may be minimal or not clinically meaningful.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
-
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
-
109 people
The number who actually took part.
- Started
-
Feb 2025
- Finished
-
Oct 2025
- Lead sponsor
-
A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
-
60 to 80 years
- Sex
-
Anyone
- Healthy volunteers
-
Accepted
You do not need to have the condition being studied to take part.
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: * Healthy woman or man * Aged of 60 to 80 years (inclusive) * With self-perceived memory complaints (CDS score ≥ 15) * With a Body Mass Index (BMI) comprised between 18 and 30 kg/m2 (included) * Participants must have completed a minimum of 12 years of formal education, starting from the age of 6. This corresponds to an education level equivalent to the completion of secondary school (e.g., a high school diploma or equivalent) * Provision of signed and dated informed consent form * Stated willingness to comply with all study procedures and availability for the duration of the study * Stated willingness to maintain their usual life habits (diet, physical activity, alcohol consumption…) * Speaking French Exclusion Criteria: * Subject with severe medical or cognitive problems which, in the opinion of the Principal Investigator, could interfere with the evaluation of the study criteria or with participant safety * Subject with a MMSE score ≤ 24 * Subject with a coffee consumption of more than 5 cups per day * Subject consuming drugs and/or with historical drug addiction (\<5 years) * Subject with a regular alcohol consumption exceeding 3 standard drinks per day (10 g of pure alcohol each), equivalent to 3 glasses of wine (12 cl), 3 glasses of beer (5°, 25cl), or 3 glasses of spirits (18°, 7 cl) * Smoker or subject consuming regularly products containing nicotine * Subject following a vegetarian or vegan diet * Subject with known hypersensitivity to any component of the study product * Subject who has taken in the 28 days preceding the screening visit or is currently taking drugs or food supplements aiming at improving memory, concentration, sleep, stress, anxiety or other substances which could, in the opinion of the Principal Investigator, interfere with cognitive and emotional processing * Subject participating in another intervention trial
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Center of Investigation in Clinical Nutrition (CICN)
Louvain-la-Neuve, 1348, Belgium
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