Evaluation of the Effects of Berry Leaf Extract on Cognitive Processing in Healthy Elderly Adults

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 comp…