A 9-week randomized controlled trial with 114 older adults is testing whether anti-inflammatory snacks containing oat bran and chickpeas can improve brain function and reduce inflammation. According to Gram Research analysis, the MiniMeal study uses brain imaging to measure actual changes in brain activity during thinking tasks. Results are currently being analyzed and could show whether simple dietary changes support cognitive health in people aged 70 and older.
Researchers are testing whether nutritious between-meal snacks can improve brain function in people over 70. The MiniMeal study, a 9-week trial with 114 older adults, examines how foods like oat bran and chickpeas might reduce inflammation and support cognitive health. According to Gram Research analysis, the study explores the connection between what we eat, our gut health, and how our brains work. Results could help us understand whether simple dietary changes can keep our minds sharper as we age.
Key Statistics
The MiniMeal study, a 2026 randomized controlled trial with 114 community-dwelling adults aged 70 and older, tested whether nutritious between-meal snacks consumed twice daily for 9 weeks could improve brain activity measured by functional MRI imaging.
Of the 114 participants enrolled in the MiniMeal study, 106 completed all 6 study visits, representing a 93 percent completion rate for this brain health and nutrition intervention trial.
The MiniMeal study examined anti-inflammatory foods including oat bran and chickpeas as potential dietary strategies to reduce systemic inflammation and support cognitive function in older adults, with data collection completed by February 2026.
The Quick Take
- What they studied: Whether eating nutritious snacks twice a day can improve brain activity and thinking skills in people aged 70 and older.
- Who participated: 114 community-dwelling adults aged 70 or older, divided into three groups of about 38 people each. Most participants (106 out of 114) completed the entire 9-week study.
- Key finding: The study measured brain activity using brain imaging scans while participants completed thinking tasks. Researchers compared those eating special nutritious snacks to those eating regular snacks and those eating nothing extra.
- What it means for you: If the results show positive effects, it could suggest that eating anti-inflammatory foods between meals might help keep your brain sharper as you age. However, these are early findings from a single study, so more research is needed before making major dietary changes.
The Research Details
The MiniMeal study is a randomized controlled trial, which is considered one of the strongest ways to test whether something actually works. Researchers randomly assigned 114 older adults into three groups. Two groups received snack products to eat twice daily for 9 weeks, while the third group continued eating normally without any special snacks. One snack group received the experimental MiniMeal products designed to reduce inflammation, while the other received comparison snacks. All participants had their brain activity measured using functional MRI, a special brain imaging technique that shows which parts of the brain are active when thinking.
The study focused on foods containing anti-inflammatory ingredients like oat bran and chickpeas, which previous research suggests may help reduce swelling and irritation in the body. The researchers measured brain activity during a specific thinking task called the n-back task, which tests attention and memory. They also collected blood samples to measure inflammation markers and assessed physical function, body composition, and mood.
This design allows researchers to see whether the special snacks actually changed brain activity compared to regular snacks or no snacks at all. The blinded design, where some participants didn’t know which snacks they were eating, helps prevent bias from affecting the results.
Using brain imaging to measure actual changes in brain activity is more objective than just asking people if they feel sharper. This approach can detect real biological changes that might happen before someone notices improvements in their thinking. Understanding the connection between diet, inflammation, and brain function could lead to simple, affordable ways to support brain health in older adults.
This is a well-designed study with several strengths: it uses random assignment to groups, includes a comparison group, measures actual brain activity with imaging technology, and collected data from 106 of 114 participants who started. The study was approved by the Swedish Ethical Review Authority and registered in a public database before it began. However, the sample size of 114 is relatively small, and the study only lasted 9 weeks, so longer-term effects remain unknown. The results are still being analyzed, so final findings haven’t been published yet.
What the Results Show
Data collection for the MiniMeal study was completed in February 2026, and researchers are currently analyzing the results. The primary outcome being measured is functional brain activity during thinking tasks, comparing those who ate the special MiniMeal snacks to those who ate comparison snacks. Brain imaging scans will show whether the anti-inflammatory snacks changed how different brain regions communicate with each other, particularly in areas involved in attention and memory.
The study also measured secondary outcomes including blood markers of inflammation, physical function, body composition, and self-reported well-being. These measurements help researchers understand the biological pathways through which diet might influence brain health. The comparison with the no-intervention group (those who didn’t eat special snacks) helps determine whether any changes are specifically due to the snacks or just from being in a study.
Because data analysis is ongoing, specific numerical results are not yet available. Once published, the findings will show whether the anti-inflammatory snacks produced measurable improvements in brain activity compared to control snacks, and whether these changes correlated with improvements in thinking skills or mood.
Beyond brain imaging, researchers measured inflammation markers in blood samples to see if the snacks actually reduced the body’s inflammatory response. They also assessed physical function and body composition to understand whether the snacks affected overall health. Self-reported well-being and mood were tracked to see if participants noticed subjective improvements in how they felt. These secondary measures help explain the mechanisms, or biological pathways, through which diet might support brain health.
Previous research has shown that diet influences the composition of gut bacteria and that inflammation is linked to cognitive decline in older adults. This study builds on that foundation by directly testing whether specific anti-inflammatory foods can improve brain function. The focus on between-meal snacks is practical, as it doesn’t require people to overhaul their entire diet. The use of brain imaging to measure actual changes in brain activity goes beyond previous studies that relied only on cognitive testing or self-reported improvements.
The study lasted only 9 weeks, so we don’t know if benefits would continue or increase with longer use. The sample size of 114 is relatively small, which limits how broadly the findings apply to all older adults. The study included only community-dwelling adults aged 70 and older, so results may not apply to younger people or those in care facilities. The specific snack products tested may not be available to everyone, and results might differ with other anti-inflammatory foods. Finally, the study is still analyzing data, so final results haven’t been published yet.
The Bottom Line
Wait for the final published results before making dietary changes based on this study. Once results are available, discuss any dietary changes with your doctor, especially if you take medications or have health conditions. If the results are positive, consider adding anti-inflammatory foods like oats and legumes to your diet as part of healthy between-meal snacking, but don’t rely on snacks alone for brain health. Maintain overall healthy habits including exercise, social engagement, and cognitive activities, which are proven to support brain health in older adults.
Adults aged 70 and older interested in supporting their brain health through diet should pay attention to these findings. People concerned about cognitive decline or memory changes may find this research relevant. Healthcare providers working with older adults may use these findings to inform dietary recommendations. However, people with specific dietary restrictions, allergies to oats or legumes, or those on specialized diets should consult their doctor before making changes.
The study lasted 9 weeks, but this doesn’t mean you’d see results that quickly in real life. Brain changes from diet typically develop gradually over weeks to months. Most people wouldn’t notice subjective improvements in thinking or mood for at least 4 to 8 weeks of consistent dietary changes. Long-term benefits would require sustained dietary habits over months or years.
Frequently Asked Questions
Can eating healthy snacks improve brain function in older adults?
The MiniMeal study is testing this question with 114 adults aged 70 and older using anti-inflammatory snacks. Results are being analyzed, but previous research suggests diet influences inflammation and brain health. Final findings will provide clearer evidence.
What foods help reduce inflammation and support brain health?
The MiniMeal study focused on oat bran and chickpeas as anti-inflammatory foods. Other research suggests legumes, whole grains, nuts, and fatty fish support brain health. Discuss specific dietary changes with your doctor.
How long does it take to see cognitive improvements from dietary changes?
The MiniMeal study lasted 9 weeks, but real-world improvements typically develop gradually over 4 to 8 weeks of consistent dietary changes. Long-term benefits require sustained healthy eating habits over months or years.
Is this study only for people over 70?
The MiniMeal study included only adults aged 70 and older, so results may not apply to younger people. However, anti-inflammatory eating benefits brain health across all ages, so younger adults may still benefit from similar dietary approaches.
When will the MiniMeal study results be published?
Data collection was completed in February 2026, and analysis began in January 2026. Results are still being analyzed and haven’t been published yet. Check the study’s ClinicalTrials.gov page (NCT06353984) for updates.
Want to Apply This Research?
- Log daily snack consumption and note the specific foods eaten, particularly anti-inflammatory options like oats, legumes, and whole grains. Track weekly using a simple 1-to-10 scale for subjective measures like mental clarity, memory, and mood.
- Replace one or two daily snacks with anti-inflammatory options such as oatmeal-based products, chickpea snacks, or legume-based foods. Set daily reminders to eat these snacks at consistent times, ideally mid-morning and mid-afternoon.
- Track snack adherence weekly and monitor subjective cognitive and mood changes monthly. If using the app’s brain health feature, log any noticed improvements in memory, focus, or mental energy. Compare patterns over 8 to 12 weeks to identify whether dietary changes correlate with perceived improvements.
This article describes a research study protocol and ongoing trial. Final results have not yet been published. This information is for educational purposes only and should not replace professional medical advice. Before making significant dietary changes, especially if you take medications, have allergies, or have existing health conditions, consult with your healthcare provider or registered dietitian. The MiniMeal study is still analyzing data, and conclusions may change when results are published. Individual responses to dietary changes vary, and what works for study participants may not apply to everyone.
This research translation is published by Gram Research, the science division of Gram, an AI-powered nutrition tracking app.