Brain Health and Nutrition: 10 Foods That Support Cognitive Wellness

Discover how everyday foods, essential nutrients, and science-informed eating habits can help nourish the brain and support healthy aging.

What we eat influences more than our energy levels. Nutrition provides the building blocks for brain cells, supports healthy blood circulation, and helps maintain the biological processes involved in memory, attention, and learning.

For adults interested in staying mentally sharp—and caregivers supporting the health of loved ones—the question is straightforward: Which foods are good for brain health, and what does the science actually say?

The answer begins with familiar foods rather than exotic ingredients.

Fatty fish, leafy green vegetables, berries, nuts, olive oil, beans, whole grains, eggs, seeds, and colorful vegetables all provide nutrients involved in normal brain function. Dietary patterns built around these foods, particularly Mediterranean-style and MIND eating patterns, have also been associated with favorable cognitive outcomes in observational research.

There is, however, an important distinction between supporting brain health and preventing cognitive decline. No individual food has been proven to prevent dementia, reverse cognitive decline, or guarantee better memory. Clinical trials examining whether specific dietary patterns improve cognitive outcomes have produced mixed results.

That doesn't diminish the value of good nutrition. It helps clarify what healthy eating can realistically accomplish—and why consistent habits matter more than any single ingredient.

How Does Nutrition Affect Brain Health?

The brain requires a continuous supply of energy and nutrients to function. Neurons, the specialized cells that transmit information, rely on complex chemical and electrical processes to communicate with one another.

Nutrition contributes to these processes in three important ways.

Supporting Brain Cell Structure and Communication

The membranes surrounding brain cells contain specialized fats, including the omega-3 fatty acid docosahexaenoic acid (DHA).

Other nutrients participate in neurotransmitter production and cellular metabolism. Choline, for example, is needed to produce acetylcholine, a neurotransmitter involved in memory and attention. Vitamin B12 and folate support biological processes essential to normal nervous-system function.

These physiological roles are well established.

What remains less certain is whether increasing a nutrient beyond adequate intake produces additional cognitive benefits. A nutrient can be essential to normal brain function without necessarily acting as a memory enhancer.

Supporting Healthy Blood Flow

The brain depends on an extensive network of blood vessels to deliver oxygen and nutrients.

High blood pressure, diabetes, and cardiovascular disease can affect vascular health and are relevant to cognitive aging. Eating patterns that help maintain cardiovascular and metabolic health may therefore support the conditions needed for normal brain function.

This connection helps explain why scientists study entire dietary patterns rather than focusing exclusively on individual vitamins or supplements.

Providing Compounds Involved in Cellular Protection

Fruits, vegetables, nuts, and other plant foods contain naturally occurring compounds, including carotenoids and polyphenols.

Researchers are investigating how these substances interact with oxidative stress, inflammatory signaling, and other biological processes associated with aging.

Laboratory findings have identified potentially interesting mechanisms. However, effects observed in cells or animals do not automatically translate into measurable improvements in human memory or cognitive performance.

For everyday nutrition, the lesson is simple: eating a variety of plant foods provides a broad range of nutrients and naturally occurring compounds without relying on a supposed miracle ingredient.

Which Dietary Patterns Are Best for Cognitive Wellness?

Research on nutrition and cognition increasingly examines what people eat over months and years, rather than what happens after consuming one particular food.

Two dietary approaches have attracted particular attention.

The Mediterranean Diet

The Mediterranean diet emphasizes vegetables, fruits, legumes, whole grains, nuts, olive oil, and fish. It generally includes smaller amounts of red and processed meats and highly refined foods.

Rather than prescribing a rigid menu, it offers a flexible approach to eating built around minimally processed ingredients and unsaturated fats.

Several observational studies have linked closer adherence to Mediterranean-style eating with better cognitive performance or slower cognitive decline.

These findings are encouraging, but they cannot establish that diet alone caused the observed differences. People who follow Mediterranean-style diets may also differ in physical activity, education, healthcare access, and other factors that influence cognitive health.

Even with these limitations, the Mediterranean pattern provides a practical nutritional foundation. Its emphasis on vegetables, fiber, and unsaturated fats is consistent with established cardiovascular dietary guidance.

The MIND Diet

The MIND diet—short for Mediterranean-DASH Intervention for Neurodegenerative Delay—combines features of the Mediterranean diet with the DASH eating plan, which emphasizes foods that support healthy blood pressure.

The MIND approach places particular emphasis on leafy green vegetables, berries, nuts, beans, whole grains, fish, poultry, and olive oil.

Its development reflects growing scientific interest in the relationship between dietary choices and cognitive aging.

In a 2024 observational study summarized by the National Institute on Aging, researchers found that greater adherence to a MIND-style diet was associated with a lower risk of cognitive impairment and slower cognitive decline.

The findings were encouraging, but they identified associations—not proof that the diet prevented cognitive problems.

What Does Clinical Research Show?

A major randomized clinical trial published in The New England Journal of Medicine in 2023 tested the MIND diet in 604 older adults without cognitive impairment who had a family history of dementia.

Participants were assigned to either a MIND diet or a control diet. Both groups received dietary counseling and followed mild calorie restriction.

After three years, cognitive scores improved modestly in both groups. However, the difference between groups was not statistically significant. Researchers also found no significant between-group differences in the brain MRI measures they examined.

This result matters because randomized trials are better suited than observational studies to testing whether an intervention causes a particular outcome.

It does not mean nutritious eating is unimportant. It means that, in this trial, the MIND diet did not demonstrate superior cognitive benefits compared with the control diet.

Mediterranean vs. MIND Diet: What's the Difference?

Feature	Mediterranean diet	MIND diet
Primary focus	Overall dietary quality and cardiovascular wellness	Foods investigated in relation to cognitive aging
Vegetables	A wide variety encouraged	Additional emphasis on leafy greens
Fruit	Broad variety encouraged	Particular emphasis on berries
Main fats	Olive oil, nuts, and other unsaturated fats	Olive oil and nuts
Protein sources	Fish, legumes, poultry, and others	Fish, beans, and poultry emphasized
Cognitive evidence	Encouraging observational associations	Encouraging observational associations, but a major trial found no significant cognitive advantage

The practical takeaway is that you don't need to follow either pattern perfectly. Incorporating their shared principles—more plant foods, healthy fats, whole grains, and nutrient-rich protein sources—is a manageable way to improve overall dietary quality.

10 Foods for Brain Health Worth Including in Your Diet

The following foods provide nutrients relevant to normal brain function and healthy aging. Their value comes from their nutritional contributions and their place within a balanced diet, not from evidence that each independently improves memory.

1. Fatty Fish: Omega-3s for Brain Cell Structure

Salmon, sardines, trout, and herring provide two long-chain omega-3 fatty acids: DHA and eicosapentaenoic acid (EPA).

DHA is an important component of neuronal membranes, while EPA participates in physiological processes related to inflammatory signaling.

These functions have led researchers to examine whether eating fish or taking omega-3 supplements can influence cognitive aging.

The distinction between the two matters. Research on fish consumption often examines people with different overall diets and lifestyles, while supplement trials test more specific interventions.

According to the NIH Office of Dietary Supplements, clinical trials of long-chain omega-3 supplements generally have not demonstrated cognitive benefits in healthy older adults or people with Alzheimer's disease. Some studies involving mild cognitive impairment have reported possible benefits in selected cognitive measures, but further confirmation is needed.

Try this: Bake salmon with lemon and herbs, add sardines to whole-grain toast, or serve trout alongside vegetables and brown rice.

For people who don't eat fish, flaxseeds, chia seeds, and walnuts provide the plant omega-3 alpha-linolenic acid (ALA). The body can convert some ALA into EPA and DHA, but that conversion is limited.

2. Leafy Greens: Folate and Plant Nutrients

Spinach, kale, collard greens, and other leafy vegetables provide folate, vitamin K, carotenoids, and additional micronutrients.

Folate participates in DNA synthesis and other essential cellular processes. Leafy greens also contain compounds such as lutein, which researchers have studied in relation to aging and cognitive function.

Observational studies have reported associations between leafy-green consumption and favorable cognitive outcomes. Those findings are not sufficient to establish that eating more spinach or kale directly slows brain aging.

Try this: Add spinach to eggs, blend a handful of greens into a smoothie, or serve sautéed kale alongside dinner.

Frozen greens are convenient and can be nutritionally useful alternatives to fresh produce.

3. Berries: Polyphenols and Dietary Variety

Blueberries, strawberries, raspberries, and blackberries contain polyphenols, including anthocyanins responsible for many red, purple, and blue pigments.

These compounds are being investigated for their interactions with oxidative stress, vascular function, and cellular signaling.

Some small human studies have reported promising findings involving particular berries and cognitive tasks. However, results vary by study population, intervention, and outcome measured.

There is not yet enough evidence to conclude that eating a particular quantity of berries reliably improves memory or prevents cognitive decline.

Try this: Add blueberries to oatmeal, combine strawberries with plain yogurt, or keep frozen berries available for smoothies.

Whole berries also provide fiber, unlike many sweetened fruit-flavored beverages.

4. Walnuts and Other Nuts: Unsaturated Fats and Vitamin E

Walnuts provide ALA omega-3 fatty acids. Almonds, hazelnuts, pistachios, and other nuts contribute combinations of unsaturated fats, vitamin E, minerals, and plant compounds.

Vitamin E helps protect cells from oxidative damage, while replacing some saturated fats with unsaturated fats can support cardiovascular health.

These nutritional properties help explain why nuts appear in Mediterranean and MIND dietary patterns.

They do not establish that walnuts—or any other specific nut—function as a cognitive treatment.

Try this: Sprinkle walnuts over oatmeal, add almonds to a salad, or choose a small portion of unsalted nuts as a snack.

Smooth nut butters may be easier to incorporate for people with chewing difficulties.

5. Extra-Virgin Olive Oil: A Mediterranean Staple

Olive oil is rich in monounsaturated fats. Extra-virgin varieties also contain naturally occurring polyphenols, with amounts varying by production and storage conditions.

Its best-established dietary role is as a source of unsaturated fat that can replace some saturated fat in everyday meals.

Researchers are interested in whether olive oil contributes to cognitive outcomes observed in Mediterranean-style diets. However, studies of an entire dietary pattern cannot isolate olive oil as the cause of those outcomes.

Try this: Use olive oil with lemon as a salad dressing, drizzle it over cooked vegetables, or use it in place of butter where appropriate.

6. Whole Grains: Fiber and Balanced Nutrition

Oats, barley, brown rice, quinoa, and whole-grain bread provide fiber, carbohydrates, and varying amounts of B vitamins and minerals.

The brain relies heavily on glucose for energy, but that doesn't mean added sugar is beneficial for cognitive performance.

Whole grains can make meals more satisfying and contribute to dietary patterns associated with better metabolic and cardiovascular health.

Try this: Start the day with oatmeal, build a lunch bowl around quinoa, or replace some refined grains with whole-grain alternatives.

7. Beans and Lentils: Folate, Fiber, and Plant Protein

Beans, lentils, and chickpeas provide protein, fiber, folate, iron, and other minerals.

Folate supports essential cellular functions. Iron contributes to oxygen transport, which is necessary throughout the body, including the brain.

Legumes are also versatile, economical ingredients that can help people build nutritious meals without relying heavily on processed meats.

Try this: Prepare lentil soup, add chickpeas to a salad, or make a vegetable-and-black-bean bowl.

Canned beans are a practical option. Rinsing them can help reduce some of the added sodium.

8. Eggs: A Source of Choline and Vitamin B12

Eggs provide protein, vitamin B12, and choline.

Choline is used to produce acetylcholine, a neurotransmitter involved in memory, attention, and other functions. It also contributes to the structure of cell membranes.

That makes choline nutritionally important, but it does not establish that eating additional eggs improves memory in people who already consume enough choline.

Try this: Combine eggs with spinach and whole-grain toast, or prepare a vegetable omelet.

Choline is also available from fish, poultry, soybeans, and other foods.

9. Seeds: Magnesium, Vitamin E, and Plant Omega-3s

Pumpkin seeds, sunflower seeds, flaxseeds, and chia seeds each offer a different nutritional profile.

Pumpkin seeds contain magnesium and zinc. Sunflower seeds provide vitamin E. Flaxseeds and chia seeds supply ALA omega-3 fatty acids and fiber.

Magnesium is involved in numerous cellular processes, including normal nerve function. However, this physiological role should not be confused with proof that magnesium supplements improve cognition in people without deficiency.

Try this: Stir ground flaxseed into oatmeal, add pumpkin seeds to salads, or mix chia seeds into yogurt.

10. Colorful Vegetables: A Broader Range of Plant Compounds

Carrots, broccoli, bell peppers, tomatoes, and sweet potatoes provide different combinations of fiber, vitamins, minerals, and phytochemicals.

Carrots and sweet potatoes contain carotenoids, while tomatoes provide lycopene. Broccoli contains glucosinolates and other plant constituents.

Researchers continue to study how these compounds interact with human biology. Yet there is no established ranking showing that one vegetable is universally superior for cognitive health.

Try this: Include several vegetable colors across the week rather than concentrating on one favorite.

For busy households, frozen vegetables and pre-cut produce can make variety easier to maintain.

Which Nutrients Are Most Important for Normal Brain Function?

Understanding individual nutrients helps explain why dietary variety matters.

Some nutrients are essential for maintaining normal neurological function. Others contribute to broader processes, including energy metabolism, oxygen transport, and cellular protection.

The important distinction is between meeting the body's nutritional requirements and expecting additional nutrients to enhance cognitive performance.

Nutrient	Established role	Common food sources	What the evidence tells us
DHA omega-3	Structural component of brain-cell membranes	Salmon, sardines, trout	Essential to normal biology; supplementation has not consistently improved cognition in healthy older adults
Vitamin B12	Supports normal neurological function and red blood cell formation	Fish, eggs, dairy, fortified foods	Deficiency can cause neurological symptoms; extra B12 is not an established memory enhancer
Folate	Supports DNA synthesis and cellular metabolism	Leafy greens, lentils, beans	Necessary for normal function; additional intake beyond adequate levels is not an established cognitive treatment
Choline	Needed for acetylcholine production and cell membranes	Eggs, soybeans, fish	Important for normal function; evidence for cognitive enhancement from additional intake is limited
Vitamin E	Helps protect cells from oxidative damage	Nuts, seeds, vegetable oils	Has an established antioxidant role; high-dose supplementation is not equivalent to eating vitamin E-rich foods
Iron	Supports oxygen transport	Meat, beans, lentils, fortified grains	Deficiency can impair health and functioning; unnecessary supplementation offers no established cognitive advantage
Magnesium	Participates in enzyme activity and normal nerve function	Seeds, nuts, legumes, whole grains	Essential for health; supplemental cognitive benefits remain uncertain

Why Nutrient Adequacy Matters More Than Megadoses

Vitamin B12 provides a useful example of the relationship between nutrition and cognition.

Someone with a B12 deficiency may experience neurological symptoms, sometimes including difficulties with memory or concentration. Identifying and treating that deficiency is important.

But taking extra B12 when levels are already adequate does not necessarily produce additional cognitive benefits.

The same principle applies to other nutrients involved in brain function.

For most people, the first priority is a varied eating pattern that provides adequate nutrition. Testing or supplementation may be appropriate when symptoms, medical conditions, dietary restrictions, or medications suggest a specific nutritional concern.

Can Everyday Eating Habits Influence Cognitive Wellness?

Individual foods matter, but their place within the overall diet matters more.

Consider two approaches to eating. One person occasionally adds berries to breakfast but otherwise relies heavily on refined, nutrient-poor foods. Another regularly includes vegetables, legumes, whole grains, and unsaturated fats across meals.

Both may eat foods associated with brain health, but their overall nutritional patterns are quite different.

This is why a sustainable approach to cognitive wellness considers not only what foods are added, but also what they replace.

Refined Foods and Added Sugars

Foods high in added sugars and low in fiber can displace more nutrient-dense choices.

That doesn't mean sugar directly causes cognitive decline or that enjoying dessert occasionally harms the brain. Rather, regularly choosing whole foods helps provide a wider range of nutrients while supporting overall dietary quality.

Saturated Fat and Sodium

Diets containing substantial amounts of saturated fat and excess sodium can make it harder to maintain cardiovascular health.

Because vascular health is relevant to cognitive aging, replacing some saturated fats with unsaturated fats and moderating sodium intake are reasonable nutritional priorities.

Alcohol and Hydration

Alcohol can impair attention, coordination, judgment, and sleep. Drinking alcohol should not be promoted as a strategy for improving brain health.

Hydration deserves attention as well. Dehydration can contribute to fatigue, dizziness, and difficulties with concentration.

Older adults may be particularly vulnerable to inadequate fluid intake because thirst perception, medications, and physical limitations can affect hydration habits.

The goal isn't dietary perfection. It's maintaining eating and drinking habits that consistently support adequate nutrition.

How to Build a Brain-Healthy Eating Routine

Understanding which foods support brain health is useful. Making them part of everyday life is what turns that knowledge into lasting habits.

A practical starting point is to make familiar meals more nutritionally diverse rather than changing everything at once.

A Sample Day of Brain-Supportive Meals

Breakfast: Oatmeal with berries and walnuts

Oats provide fiber, berries contribute polyphenols, and walnuts add unsaturated fats. Plain yogurt or a fortified alternative can supply protein and additional nutrients.

Lunch: Mediterranean-inspired grain bowl

Combine quinoa, chickpeas, spinach, tomatoes, and olive oil with lemon dressing. The meal offers plant protein, folate, fiber, and a variety of micronutrients.

Dinner: Baked salmon with vegetables and brown rice

Salmon supplies long-chain omega-3s, while vegetables and brown rice contribute fiber and other nutrients. Beans or tofu can provide a plant-based alternative.

Snacks might include fresh fruit, unsalted nuts, yogurt, or hummus with vegetables.

This menu illustrates dietary variety rather than prescribing a fixed nutritional plan. Portion sizes and ingredients should reflect individual needs and preferences.

Five Easy Ways to Improve Dietary Variety

1. Start with breakfast. Replace a low-fiber breakfast with oatmeal, fruit, and a source of protein.
2. Add vegetables to familiar meals. Spinach in eggs, broccoli with pasta, or vegetables in soup can increase nutrient variety.
3. Use legumes more often. Add beans or lentils to salads, soups, and grain bowls.
4. Choose unsaturated fats. Incorporate olive oil, nuts, and seeds in place of some foods rich in saturated fat.
5. Keep convenient ingredients available. Frozen berries, frozen vegetables, canned beans, and whole grains can make nutritious meals easier to prepare.

These changes are valuable because they improve the overall quality of eating without depending on a particular food's unproven cognitive benefits.

Brain-Healthy Nutrition for Older Adults and Caregivers

For caregivers, the challenge is often less about knowing what constitutes a healthy meal and more about making sure nutritious food is consistently available, appealing, and easy to eat.

Older adults may experience changes in appetite, taste, dental health, mobility, medication use, and nutrient absorption.

These factors can make adequate nutrition more difficult, even when someone understands the importance of eating well.

Prioritize Adequate Nourishment

A diet that appears healthy on paper may not be appropriate if it causes someone to eat too little.

For older adults with reduced appetite or unintended weight loss, obtaining enough calories, protein, and essential nutrients may be more important than following a restrictive eating pattern.

Smaller meals, nutrient-dense snacks, and familiar foods prepared in appealing ways can help.

Adapt Foods to Individual Needs

Cooked vegetables may be easier to chew than raw salads. Smooth nut butters can be more manageable than whole nuts. Soups, stews, and soft grain dishes can provide nutritional variety with less preparation effort.

Swallowing difficulties require individualized assessment and appropriate food textures.

Caregivers should also consider medication-related dietary restrictions and existing medical conditions when planning meals.

Make Consistency Easier

A simple weekly rotation can reduce the daily challenge of deciding what to prepare:

• Oatmeal, eggs, or yogurt-based breakfasts.
• Soups, grain bowls, or sandwiches with vegetables for lunch.
• Fish, beans, poultry, or other protein sources with vegetables and whole grains for dinner.

The objective isn't to achieve an ideal menu every day. It's to make adequate, varied nutrition easier to maintain over time.

Do Brain Health Supplements Offer Additional Benefits?

Supplements are frequently marketed around ingredients involved in neurological function, including omega-3 fatty acids, B vitamins, choline, magnesium, and botanical compounds.

Some of these ingredients have established nutritional roles. Others are being investigated for possible effects on cognition.

However, evidence about an ingredient is not automatically evidence that a finished supplement product improves memory, attention, or cognitive aging.

A finished product may contain different ingredient forms, doses, combinations, and manufacturing characteristics from those studied in published research.

Even when a clinical trial reports a benefit for a particular ingredient, that finding cannot automatically be transferred to every product containing it.

What Does the Research Say About Omega-3 Supplements?

The NIH Office of Dietary Supplements reports that clinical trials of long-chain omega-3 supplementation generally have not demonstrated cognitive benefits in healthy older adults or people with Alzheimer's disease.

Some findings in people with mild cognitive impairment have been more encouraging, but additional research is needed.

These results shouldn't be interpreted as evidence that fish is nutritionally unimportant. Fish contributes protein and multiple nutrients as part of a broader dietary pattern.

What About B Vitamins and Other Nutrients?

Vitamin B12 and folate are necessary for normal neurological and cellular function. Addressing a deficiency is a legitimate nutritional objective.

But the presence of these nutrients in a supplement doesn't establish that the product enhances cognition in people without deficiency.

The same distinction applies to plant extracts and other bioactive ingredients. Laboratory mechanisms, ingredient-level studies, and finished-product clinical outcomes represent different levels of evidence.

A science-informed approach asks four questions: What was studied? Who participated? What dose was used? And what measurable results were observed?

For people considering supplements, the most useful starting point is identifying a genuine nutritional need rather than assuming that higher doses or more ingredients will produce better cognitive outcomes.

Frequently Asked Questions About Brain Health and Nutrition

What are the best foods for memory and concentration?

Fatty fish, leafy greens, berries, nuts, whole grains, beans, eggs, and other nutrient-dense foods contribute to normal brain function. However, no individual food has been conclusively shown to improve memory or concentration in every healthy adult. Consistent dietary quality matters more than any single ingredient.

Can the Mediterranean or MIND diet prevent dementia?

Neither dietary pattern has been conclusively proven to prevent dementia. Observational studies have found encouraging associations, but a major three-year randomized trial did not find a significant cognitive advantage for the MIND diet compared with its control diet.

Are blueberries better for the brain than other fruits?

Blueberries contain anthocyanins and other polyphenols being studied for potential cognitive effects. However, evidence does not establish that blueberries are uniquely necessary for brain health. Strawberries, blackberries, and other fruits also contribute valuable nutrients.

Is it too late to improve nutrition after age 60?

No. Improving dietary quality can be worthwhile at any adult age. Older adults can benefit from meeting nutritional requirements and supporting cardiovascular and metabolic health, even though specific dietary changes cannot be guaranteed to prevent cognitive decline.

Should caregivers prioritize supplements or food?

Adequate nourishment should generally come first. Supplements may have a role when dietary intake is insufficient, a deficiency is identified, or a particular medical situation warrants them. Their use should reflect individual needs rather than broad claims about cognitive enhancement.

Cognitive Wellness Is Part of a Larger Picture of Human Renewal

Healthy aging is shaped by interconnected influences, including nutrition, physical activity, restorative sleep, cardiovascular health, mental engagement, and access to appropriate healthcare.

Food is one part of that picture—but it's a part we can engage with every day.

Adding vegetables to dinner, choosing whole grains more often, or including fish and legumes in a regular meal rotation may seem like modest changes. Over time, those choices can help create a more nutritionally balanced lifestyle.

Scientific research also offers an important perspective: supporting normal biological function is valuable even when a particular food hasn't been shown to prevent a specific disease.

This balance between natural wellness, scientific inquiry, and practical action reflects BioAdaptives' Human Renewal philosophy.

Human Renewal isn't about expecting one ingredient to transform the aging process. It's about understanding the factors that contribute to vitality and making informed choices that support well-being throughout life.

For health-conscious adults and caregivers, that process can begin with a simple principle: nourish the whole person, consistently and thoughtfully.

Explore BioAdaptives and Human Renewal to learn more about the relationship between science, nature, and lifelong wellness.

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Scientific References and Further Reading

1. Barnes LL, et al. (2023). Trial of the MIND Diet for Prevention of Cognitive Decline in Older Persons. The New England Journal of Medicine, 389, 602–611. Read the randomized clinical trial.

2. National Institute on Aging (2024). Healthful Diet Linked to Reduced Risk of Cognitive Decline. Read the NIH research summary.

3. Sawyer RP, et al. (2024). Association of Adherence to a MIND-Style Diet With the Risk of Cognitive Impairment and Decline in the REGARDS Cohort. Neurology. View the observational research.

4. National Institutes of Health, Office of Dietary Supplements. Omega-3 Fatty Acids — Health Professional Fact Sheet. Review the omega-3 evidence.

5. National Institutes of Health, Office of Dietary Supplements. Vitamin B12 — Health Professional Fact Sheet. Review vitamin B12 and neurological function.

6. National Institute on Aging. Cognitive Health and Older Adults. Explore broader cognitive wellness guidance.

This article is intended for general wellness education. It does not establish that specific foods, dietary patterns, ingredients, or supplements prevent or treat cognitive impairment or neurological disease.