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These tasty fruits are packed with nutrients that can help keep your brain healthy.
Reviewed by Dietitian Jane Leverich, M.S., RDNKey Points
- Several fruits—including blueberries and citrus fruits—have been linked to better brain health.
- Nutrition experts recommend five fruits that may support memory and healthy cognitive aging.
- Including fruit in your diet consistently is what matters most in supporting brain health.
Research suggests that certain fruits may help support memory, healthy blood flow to the brain and cognitive function as we age. Blueberries and strawberries have some of the strongest evidence, while citrus, dark grapes and pomegranates provide flavonoids and other beneficial plant compounds that may support brain health.
While no single food can prevent cognitive decline, regularly eating a variety of fruit is a simple habit that may benefit your brain over time. We spoke with experts to identify the five fruits with the strongest evidence and explain what makes each one stand out in terms of memory and healthy cognitive aging.
Blueberries
Blueberries are especially rich in anthocyanins, plant compounds that may help support brain health by improving blood flow and communication between brain cells. Better blood flow helps deliver a steady supply of oxygen and nutrients to the brain, while anthocyanins may also influence the signaling pathways involved in memory and learning. Together, these effects may explain why blueberries have been linked with favorable memory and executive function outcomes, including skills like planning, focusing and switching between tasks. Some research also suggests blueberries may help support vascular function, pointing to healthier blood vessels as one way they may benefit the brain.
Wild blueberries generally contain more anthocyanins than cultivated blueberries, which may help explain why researchers often use them in studies. That said, Serena Pratt, M.S., RDN, says both varieties are worthwhile: “Someone does not need to choose wild blueberries specifically to benefit.” She recommends eating ½ to 1 cup of fresh or frozen berries several times a week.
Citrus Fruits
Citrus fruits are a major source of flavanones, including hesperidin and naringenin. These plant compounds may help support endothelial function, which helps ensure the brain receives a steady supply of oxygen and nutrients.
Research suggests that people who consume more flavanone-rich foods, including citrus fruits, may be less likely to experience cognitive decline as they age. “Citrus has arguably some of the strongest long-term population data, and it’s an affordable option,” says Nicole Beurkens, Ph.D., M.S.
Dark Grapes
Dark grapes, especially Concord grapes, are rich in anthocyanins and proanthocyanidins—plant compounds that may help support healthy blood flow and communication between brain cells. These polyphenols are thought to play an important role in memory and other aspects of cognitive function.
Research suggests that consuming grape-based foods may help support memory and executive function, particularly in older adults experiencing mild memory changes. While many studies have focused on Concord grape juice or concentrated grape products, whole dark grapes provide many of the same beneficial plant compounds, along with fiber.
“Small randomized trials show improved memory in older adults with mild memory decline, along with increased blood flow to specific brain regions,” says Beurkens. Pratt adds that whole dark grapes are an easy, practical way to incorporate these brain-supporting nutrients into your routine.
Strawberries
Strawberries are one of the richest dietary sources of pelargonidin, an anthocyanin that gives the fruit its red color. Researchers believe this plant compound may help protect brain cells from oxidative stress and support healthy inflammatory pathways involved in cognitive aging.
Research suggests that diets higher in pelargonidin-rich foods, like strawberries, are associated with better brain health and a lower risk of cognitive decline. “Higher pelargonidin intake was associated with lower Alzheimer’s incidence,” says Beurkens. While more research is needed, regularly eating strawberries may be one simple way to support healthy brain aging.
This means that regularly eating pelargonidin-rich foods such as strawberries may help support brain health over time. Fresh and frozen strawberries both provide this compound, making them an easy fruit to enjoy year-round.
Pomegranates
Pomegranates are rich in polyphenols, plant compounds that may support brain health in several ways. Some research suggests these compounds are converted by gut bacteria into substances called urolithins, which researchers are studying for their potential role in memory and cognitive function.
Research also suggests that regularly consuming pomegranates or pomegranate juice may help support certain aspects of memory and cognitive performance, though larger studies are still needed. “Small human studies suggest that regular pomegranate juice intake may help preserve certain aspects of memory,” says Pratt.
Whether you enjoy the juice or the whole fruit, pomegranates can be a nutritious addition to your diet. Pratt recommends sprinkling the seeds over yogurt, oatmeal or salads for an easy boost of fiber and beneficial plant compounds.
Other Strategies to Support Brain Health
Fruit can be a meaningful part of a brain-supporting routine, but your overall pattern of eating combined with everyday habits all work together to help your brain function at its best.
- Eat a variety of plant foods. Mediterranean-style eating patterns that include fruit alongside vegetables, beans, nuts, whole grains, fish and unsaturated fats provide a wider range of nutrients and plant compounds that can support brain aging.
- Move regularly. Physical activity helps support circulation to the brain. Aerobic movement and strength training can both be part of a well-rounded routine.
- Make sleep a priority. Sleep supports memory consolidation and gives the brain time to process information. Most adults should aim for seven to nine hours per night.
- Stay socially and mentally engaged. Reading, learning something new, cooking and spending time with other people can keep your mind active.
Our Expert Take
No single fruit can prevent cognitive decline, but eating a variety of fruit is one simple way to support brain health as you age. What matters most is regular intake over time. Eating fruit—such as blueberries, citrus fruit, dark grapes, strawberries and pomegranates—consistently as part of an overall pattern that supports blood pressure, cholesterol and blood sugar gives your brain the vascular support it needs that’s associated with healthier cognitive aging. Fresh and frozen fruit both work, so the best choice is the one you will eat often.
Read the original article on EatingWell
