Effects of In-between Meal Products on Cognitive Function in the Elderly

Inclusion Criteria: * Signed informed consent prior to any study-related procedure * Age 70 years and above * Normal weight to overweight at the screening defined as BMI range 18.5-31.9 * Willing to abstain from regular consumption of medication known to alter gastrointestinal function or inflammatory status after being included and during the study * Willingness to pick up study products and eat the products according to the instructions each day Exclusion Criteria: * Diagnosis of type 1 and/or type 2 diabetes * Immobile (defined as the inability to participate in all study-related procedures) * History of complicated gastrointestinal surgery * Diagnosed inflammatory bowel disease (IBD) * Current diagnosis of psychiatric disease/s or syndromes * Current diagnosis of neurodegenerative disease * Systemic use of antibiotics and/or steroid medication in the last 4 months prior to inclusion * Use of probiotics, prebiotics, fermented foods, kombucha, and any other product known to modulate gut microbiota composition in the last 2 months prior to inclusion * Use of any non-steroidal anti-inflammatory drug (NSAID) more than 3 times a week in the last 2 months prior to inclusion * Use of statins * Consumption of any NSAID within 7 days of study start * Any condition which could interfere with intestinal barrier function (e.g. gluten sensitivity, lactose intolerance, celiac disease, IBS, IBD) as decided by the principal investigators' discretion * Vegetarian diet * Allergy to ingredients included in either investigational or reference products * Regular smoking, use of snuff, nicotine, or e-cigarette use * Drinking more than 9 standard cups of alcohol per week and/or more than 3 standard cups of alcohol per occasion * Regular use, for more than three times a week for the last 2 months and/or 7 days prior to inclusion, of medications which according to the principal investigator can have an anti-inflammatory effect or affect in any way the intestinal barrier function or have an impact on the study analysis (such as laxatives, anti-diarrheal, anti-cholinergic, etc.) * After being included in the study, starting any medication or treatment that could potentially influence the study participation and/or study analysis * Cerebral bleeding or history of cerebral bleeding * Claustrophobia * In operated apparatus (e.g., pacemaker) * Aneurysm clips or shunts in the head * Grenade-splinter or metal-splinter in the body (e.g., eyes) * Metal or electrodes in the body (e.g., temp-catheter, aorta stent, cochlea implant) * Comprehensive tooth-implants or prosthesis * Operated in the head or in the heart * Swallowed a video-capsule * Left-handed * Severe vision impairments * Being highly physically active, competing as a master athlete and/or partaking in physical demanding training more than four times per week, extreme exercising * Any other reason the investigator feels the subject is not suitable for participation in this aspect of the study