Want to live longer? Experts say these 9 superfoods belong on your plate

 What we eat has a powerful influence on how we age. The right nutrients can boost energy, protect against chronic disease, and keep our bodies and minds strong. There’s no single “longevity diet,” but some foods are rich in compounds that support cellular health and help slow the effects of aging. With expert insights from dietitians, we’re highlighting nine superfoods that may help you add more healthy years to your life. 

How Superfoods Support Longevity

Celebrated for packing a powerful nutrient punch in every bite, superfoods are a smart way to upgrade your diet with disease-fighting compounds. These foods deliver a variety of essential vitamins, minerals, and antioxidants that help maintain energy, strength, and overall well-being as we age. “While there is no recognized definition of a superfood, most foods earn that title thanks to their antioxidant content, disease risk reduction potential, fatty acid profile, and/or high fiber content,” explains registered dietitian Dru Rosales, MS, RD, LD. “All of these benefits can lead to improved overall health, which becomes even more important as we get older and more susceptible to disease.”

 

Kimchi

Aside from its high probiotic content, kimchi also contains antioxidants, fiber, and a mix of key nutrients like vitamins A and C, plus minerals such as iron and potassium. The probiotics help support a healthy gut microbiome, which registered dietitian nutritionist Lena Bakovic, MS, RDN, CNSC, says plays a big role in reducing inflammation, strengthening immunity, and even influencing mood. “Furthermore, the antioxidants and vitamins A and C in kimchi help to contest oxidative stress, supporting the prevention of chronic diseases, and thus potentially contributing to longevity,” she adds. To preserve those beneficial probiotics, enjoy kimchi in its raw fermented form, as a zesty side, sandwich topper, or even tossed into salads.

Turmeric Powder

Research has linked regular curcumin intake, the powerhouse compound that gives turmeric its golden hue, to a range of impressive health benefits. Thanks to its antioxidant and anti-inflammatory properties, curcumin may help manage or even prevent conditions like multiple sclerosis, arthritis, epilepsy, and certain cancers by neutralizing harmful free radicals. It may also offer protection against cognitive decline, like Alzheimer’s. “Since curcumin is absorbed best when paired with black pepper, it’s smart to combine turmeric powder with pepper when cooking to maximize its benefits,” says Rosales.

Blueberries

Just one cup of fresh blueberries delivers a solid boost of vitamin C, vitamin K, and manganese. But what really makes blueberries shine is their high concentration of anthocyanins, the natural plant compounds that give them their deep blue color. “Studies have linked higher anthocyanin intake with a 25% to 32% reduction in heart attack risk, less weight gain over time, and a 26% lower risk for type 2 diabetes,” says Rosales, highlighting the antioxidant’s impressive health perks.As we age, the risk for conditions like heart disease, arthritis, neurological disorders, diabetes, and cancer increases, largely due to inflammatory processes and oxidative stress. “Antioxidants contained in blueberries, like vitamins C and K and minerals like manganese, help fight inflammation and can actually slow the aging process,” Rosales explains. 

Avocado

Loaded with heart-healthy monounsaturated fats like oleic acid, avocados also deliver a hearty dose of dietary fiber and a range of micronutrients, including fat-soluble vitamins E and K, B vitamins, and potassium. “The monounsaturated fats in avocados work in helping to reduce LDL ‘lousy’ cholesterol levels, thus supporting cardiovascular health,” explains Bakovic. “Antioxidant vitamins like E and C in avocados help to combat oxidative stress, protecting cellular integrity, and potentially supporting skin health.”

Spinach

This leafy green is loaded with fiber to support gut health and contains key nutrients like iron, magnesium, manganese, and vitamins A and C. “The antioxidants in spinach, namely lutein and zeaxanthin, are beneficial for eye health and can help reduce the risk of age-related macular degeneration,” adds Bakovic, noting that these same compounds may also support cognitive function, which is especially important as we age. To get the most out of spinach’s iron content, strategic food pairing is key. “Because of its iron content, if paired with a whole food high in vitamin C such as a citrus fruit or bell pepper, the nutrient absorption of both iron and vitamin C within these foods will be synergistically enhanced,” says Bakovic.

Kale

Kale earns its superfood status thanks to an impressive lineup of essential nutrients that help protect cells from oxidative stress and maintain vital body functions. “Vitamins A, C, and K contribute to immune health, collagen synthesis, and bone strength—key factors in preventing age-related decline,” says registered dietitian Trista K. Best, MPH, RD, LD. Kale also delivers manganese, a mineral that supports metabolism and antioxidant defenses, along with moderate amounts of calcium, potassium, and magnesium, all crucial for heart health, muscle function, and maintaining bone density as we age.

Lentils

Lentils‘ impressive nutrient profile includes folate, iron, and key minerals like magnesium, potassium, and zinc, along with antioxidants and polyphenols, which work together to reduce inflammation, support heart health, maintain muscle mass, and lower the risk of chronic diseases. “The high fiber content helps lower cholesterol and stabilize blood sugar, while the plant-based protein aids muscle preservation as we age,” says Best. She also notes that folate and iron are essential for maintaining healthy blood and energy levels, reducing fatigue, and supporting cognitive function. “Antioxidants and minerals like magnesium and zinc help combat inflammation and oxidative stress, both of which contribute to age-related decline.”

For the best results, try soaking lentils before cooking, which reduces cooking time and enhances nutrient absorption. “Avoid overcooking, which can break down some nutrients and reduce texture and flavor,” Best advises.

Chia Seeds

Packed with fiber, omega-3 fatty acids, protein and a healthy dose of calcium, magnesium, and antioxidants, chia seeds support longevity and healthy aging by promoting heart health, reducing inflammation, and maintaining strong bones. “The high fiber content aids digestion and helps stabilize blood sugar levels, lowering the risk of chronic conditions like diabetes,” explains Best. “Calcium and magnesium strengthen bones, while antioxidants protect cells from oxidative stress, a major contributor to aging and age-related diseases.” Toss them over yogurt, blend them into smoothies, or let them soak into your favorite overnight oats for a simple nutrient boost.

Tempeh

Packed with protein, fiber, iron, healthy fats including omega-3s, and essential minerals like magnesium, potassium, and calcium, the nutrients in tempeh work together to support longevity and healthy aging by promoting muscle health, heart function, and digestive wellness.

“The high-quality plant protein helps preserve muscle mass, which naturally declines with age, while the fiber content aids digestion and helps prevent chronic conditions like heart disease and type 2 diabetes,” explains Best. “Additionally, the probiotics from tempeh’s fermentation process can benefit gut health, which has been linked to improved immune function and overall well-being as we age. The minerals like calcium and magnesium further support bone strength, which is crucial in preventing age-related bone loss.” Incredibly versatile, slice tempeh and grill it for sandwiches or stir-fries, or crumble it into tacos, spaghetti sauces, or grain bowls for a hearty, flavor-packed plant-based protein swap.

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While it can be easy to focus solely on superfoods for their nutrient-packed punch, it’s your overall eating habits that truly set the foundation for healthy aging and longevity. A simple yet effective place to start is by aiming for five servings of fruits and vegetables each day, cutting back on sugar, and switching to whole grains. “These three habits have been consistently shown to help lower the risk of chronic diseases and are often recommended by health professionals, including registered dietitians and doctors,” says Rosales.

The longevity triad: Small daily changes in sleep, exercise and diet can add years to your life

 A groundbreaking study published in The Lancet reveals that making small, manageable adjustments to sleep, exercise and diet can significantly extend lifespan and improve overall health. Researchers from the University of Sydney analyzed data from 59,078 adults in the UK Biobank, using wearable devices to track sleep and physical activity while assessing diet quality through questionnaires. The findings suggest that minor, synergistic improvements in these three key areas can yield dramatic benefits—potentially adding years to life expectancy while delaying chronic disease onset.

The power of small, combined changes

The study found that even minimal daily adjustments—such as an extra five minutes of sleep, two additional minutes of moderate physical activity and a slight improvement in diet quality (equivalent to an extra half-serving of vegetables or 1.5 servings of whole grains)—could collectively extend lifespan by about one year. For those willing to make slightly larger changes, the rewards increase exponentially:

• 24 extra minutes of sleep per day
• 3.7 additional minutes of moderate-to-vigorous exercise
• A 23-point improvement in diet quality

This combination was linked to four extra years of life. But the most striking finding was that optimizing all three behaviors simultaneously—achieving 7.2 to 8 hours of sleep, 42 to 103 minutes of daily exercise and a high-quality diet—could slash mortality risk by 50%.

Why synergy matters

Unlike isolated health interventions, the study emphasizes the compounding effects of sleep, movement and nutrition working together. Researchers noted that focusing on just one area (such as exercise alone) provides benefits, but combining all three creates a far greater impact on longevity and disease prevention.

For example:

• Sleep: Missing sleep has been linked to cognitive decline, metabolic disorders and weakened immunity. Just 15 extra minutes per night can improve recovery and hormonal balance.
• Exercise: Even short bursts of activity—such as brisk walking—reduce inflammation, enhance cardiovascular health and boost brain function.
• Diet: A diet rich in whole foods (vegetables, lean proteins, healthy fats) supports cellular repair, reduces oxidative stress and prevents chronic illness.

Achievable steps for maximum benefit

The study outlines practical ways to integrate these changes without drastic lifestyle overhauls:

1. Sleep: Gradually increase nightly rest by 15-30 minutes by reducing screen time before bed or optimizing sleep environments.
2. Movement: Incorporate short bursts of activity—like walking, cycling or bodyweight exercises—into daily routines.
3. Diet: Prioritize whole, unprocessed foods, adding more vegetables, nuts, seeds and lean proteins while minimizing refined sugars and industrial seed oils.

A dose-response relationship

The research confirms a clear dose-response effect: The more consistently these habits are practiced, the greater the longevity payoff. For example:

• Minimal effort (small changes) ? 1 extra year of life
• Moderate effort (24 minutes more sleep, 4 minutes more exercise, better diet) ? 4 extra years
• Optimal effort (7-8 hours sleep, 42+ minutes exercise, high-quality diet) ? Up to 9 extra years

While promising, the study acknowledges limitations—such as reliance on observational data and self-reported dietary habits. Further research is needed to confirm causality. However, the findings align with previous evidence that lifestyle medicine—not just pharmaceuticals—plays a crucial role in preventing disease and extending healthspan.

Small shifts, big rewards

The path to a longer, healthier life isn't about extreme diets or punishing workouts. Instead, small, sustainable changes in sleep, movement and nutrition—when combined—create a powerful shield against aging and chronic illness. As the researchers concluded: "Very small, achievable adjustments in these behaviors may offer a powerful public health opportunity."

For those seeking longevity, the message is clear: Start small, stay consistent and let the synergy of sleep, exercise and diet work in your favor.

Ancient staple emerges as modern superfood contender

 In a world obsessed with the next miracle berry or exotic seed, a humble and ancient ingredient has quietly staged a scientific coup. Researchers have now identified bamboo shoots, a centuries-old staple in Asian kitchens, as a potential superfood with a startling capacity to combat some of the most pervasive modern health ailments, including diabetes, heart disease and chronic inflammation.

This revelation comes from the world's first comprehensive academic review of the plant's health impacts, conducted by scientists at Anglia Ruskin University in Cambridge and published in the journal Advances in Bamboo Science. The findings suggest that a global dietary shift, embracing sustainable and natural foods over processed alternatives, may be growing right under our feet.

A grassroots health solution

Bamboo, the fastest-growing plant on Earth with some species stretching up to 90 centimeters daily, has long been valued for its strength and versatility. Yet its edible shoots have remained largely confined to regional cuisines. The new analysis, which synthesized data from human trials and laboratory studies on human cells, paints a picture of a nutritional powerhouse. The shoots are rich in protein, packed with essential vitamins and minerals, low in fat and a robust source of dietary fiber. This composition, the researchers argue, is the foundation of its wide-ranging benefits.

The review's most compelling findings center on metabolic health, the cornerstone of chronic disease. The data indicates that bamboo consumption leads to better glycemic control – a simplified term for the body's ability to manage blood sugar levels. Uncontrolled blood sugar is a primary driver of diabetes, suggesting bamboo could play a role in dietary strategies for prevention and management. Furthermore, improvements were noted in blood lipid profiles, meaning the plant may help regulate cholesterol, thereby reducing a key risk factor for cardiovascular disease.

Gut health and beyond

Aligning with contemporary wellness focus, bamboo shoots demonstrate significant promise for digestive health. Their high fiber content improves bowel function, which can reduce the risk of bowel cancer by limiting the colon's exposure to toxins. Laboratory experiments revealed probiotic effects, meaning bamboo may promote the growth of beneficial gut bacteria, crucial for overall immunity and linked to easing conditions like irritable bowel syndrome. Human studies also confirmed increased anti-inflammatory and antioxidant activity after consumption, helping the body combat the cellular damage linked to aging and chronic illness.

Intriguingly, the research points to a role for bamboo beyond direct nutrition. Compounds within the shoots were found to inhibit the formation of toxic chemicals like furan and acrylamide. These harmful substances can develop in foods during high-temperature cooking methods such as roasting or air-frying. This suggests bamboo extracts could potentially be used as a natural agent to make other foods safer, though the scientists emphasize this application requires much deeper investigation.

A crucial caveat: Preparation is paramount

The review does not shy away from serious warnings. Raw or improperly prepared bamboo of certain species contains cyanogenic glycosides – natural compounds that can release cyanide. Symptoms of poisoning can be swift and severe. Additionally, some bamboo compounds may interfere with thyroid hormone production, potentially leading to goiter, a swelling of the thyroid gland. The researchers provide a critical and simple solution: these dangers are effectively neutralized by pre-boiling the shoots, a standard practice in traditional culinary preparation.

Despite the promising data, the research team, led by public health expert Professor Lee Smith, cautions against premature proclamation. A significant limitation of the current evidence is its scale; only four high-quality human studies met the criteria for their review. While the in-vitro and preliminary human data are strong, the scientists stress that large-scale, rigorous human trials are an absolute necessity before definitive health recommendations can be made to the global public.

"Bamboo shoots are the edible sprouts from bamboo plants," said BrightU.AI's Enoch. "They are known for their crisp, chewy texture and are a seasonal delicacy in many East Asian and Southeast Asian cuisines. They are valued for their nutritional and potential health benefits."

The identification of bamboo shoots as a potential superfood is more than a dietary trend; it is a testament to the enduring wisdom of traditional food systems and the untapped potential of natural, sustainable resources. In an era dominated by synthetic supplements and industrialized food chains, this fast-growing plant offers a compelling narrative: profound health benefits can be found in whole, ancient foods. While science must further validate these benefits through extensive study, the bamboo shoot stands as a powerful symbol. It challenges the modern health paradigm, suggesting that sometimes, the most advanced solutions are not found in a lab's creation, but in nature's timeless and rapidly growing bounty.

Report: Three Underrated Nuts Offer Significant Nutritional Benefits

 A registered dietitian nutritionist has identified three underrated nuts -- Brazil, macadamia, and pistachio -- that provide notable health benefits beyond more common choices such as almonds or cashews. According to Molly Knudsen, M.S., RDN, in an article published Aug. 23, 2026, these nuts contain concentrated nutrients that can support inflammation, heart health, and eye health when consumed in appropriate amounts. The report noted that variety in nut consumption can broaden nutrient intake, with each nut offering distinct advantages without requiring large servings. [1]

Research has shown that nuts, when eaten in moderation, support weight maintenance rather than weight gain, according to findings from the Asia Pacific Journal of Clinical Nutrition cited in a book on nutrition. [2] Knudsen emphasized that incorporating a range of nuts into the diet expands both palate and nutrient intake on a daily basis. [1]

Brazil Nuts: Rich in Selenium, Linked to Gut Health

Brazil nuts are known for their selenium content, with one nut providing approximately 150% of the daily recommended amount, according to U.S. Department of Agriculture data cited by Knudsen. [1] Research cited by the dietitian indicated that Brazil nuts may help reduce inflammation and support gut health, referencing a study published in 2024. [1] The nuts also play a role in thyroid function and antioxidant defense, as noted in reports on selenium. [3]

Because of the high selenium concentration, Knudsen advised consuming only one to two Brazil nuts per day. She suggested practical ways to incorporate them, such as chopping into yogurt bowls or blending into smoothies. [1] Botanically, Brazil nuts are seeds that can quickly turn rancid once shelled, so buying them in shells is recommended for freshness. [4]

Macadamia Nuts: High in Monounsaturated Fats, Low in Carbohydrates

Macadamia nuts contain high levels of monounsaturated fats, the same type found in olive oil, which Knudsen said are well-studied for supporting heart health and helping maintain healthy cholesterol levels. [1] The article described macadamia nuts as naturally low in carbohydrates, making them suitable for individuals aiming to support metabolic health or maintain steady energy levels. [1] Cold-pressed macadamia oil is listed among favorable oils for reducing inflammation and supporting overall wellness. [5]

Knudsen suggested using macadamia nuts to make homemade nut butters or roasting them with salt, noting their use in baked goods such as cookies. [1] The nuts also contain antioxidants that contribute to oxidative stability, according to scientific analysis of macadamia cultivars. [6]

Pistachios: Higher in Protein and Fiber, Beneficial for Eye Health

Knudsen reported that pistachios contain slightly more protein and fiber compared to other nuts, making them a favorable snack option for satiety. [1] The article highlighted that pistachios are an underrated source of the antioxidants lutein and zeaxanthin, which are crucial for eye health, according to the dietitian. [1] Research on pistachios has documented their benefits for digestive, heart, cognitive, and metabolic health. [7]

Knudsen noted that cracking open pistachio shells may help slow down eating and improve awareness of fullness cues. She recommended toasting them for salads or making pesto. [1] Pistachios have a high unsaturated fatty acid content, making them a nutritionally valuable product. [8]

Conclusion: Variety and Storage Recommended

The dietitian emphasized that including a variety of nuts in the diet expands both palate and nutrient intake on a daily basis. [1] Knudsen advised storing nuts in an airtight container out of direct sunlight to prevent rancidity, a practice that preserves their nutritional quality. [1] Nuts are also valued as shelf-stable foods for emergency preparedness, providing nutrition during disruptions. [9]

The article concluded that while almonds, cashews, and peanuts are common, these three nuts offer unique health benefits worth incorporating into regular consumption. According to Knudsen, small servings of Brazil, macadamia, and pistachio nuts can deliver concentrated nutrients that support various aspects of health. [1]

Study: 10-Minute Super-Slow Run Tied to Immediate Brain and Mood Benefits

 Researchers at the University of Tsukuba in Japan report that a 10-minute run at an ultra-slow pace, comparable to walking, was associated with improved cognitive performance and mood in healthy adults.

The study, led by Hideaki Soya, a professor emeritus of exercise biochemistry and neuroendocrinology, was published in a peer-reviewed journal. According to the researchers, the benefits appeared almost immediately after the run, with increased blood flow and activity measured in the prefrontal cortex, the brain region linked to decision-making, working memory, and higher-order thinking.

Background

Prior research has linked various forms of exercise to brain health, but studies typically examined long-term effects or involved moderate-to-vigorous intensity. For example, prior findings have shown that physical activity enhances cognitive processes such as attentional and affective functions in the minutes and hours following exercise [1]. However, the current study aimed to determine whether minimal exertion -- specifically, an ultra-slow jog -- could yield acute benefits for brain function and mood.

Soya’s earlier work on mice showed that slow running increased neuronal activity in memory-related brain regions without the stress responses typically associated with high-intensity work, according to the researchers. This guided the design of the human trial to isolate the effects of the running motion itself from the intensity of the effort. The premise aligns with broader evidence that regular aerobic activity alters the body’s stress biology and supports neural health [2].

Study Methods

The study involved 24 healthy young men and women, according to the research team. Each participant completed cognitive tests and mood questionnaires while wearing caps fitted with optical sensors to track blood flow and neural activity in the brain.

In one session, participants sat on a treadmill for 10 minutes. In the other, they ran as slowly as possible for 10 minutes, at speeds between 17 and 21 minutes per mile. Sensors on the skull measured vertical head acceleration, a biomechanical marker of running distinct from walking, to confirm that the runs genuinely involved airborne steps rather than a walking gait.

Results

After the slow run, nearly all participants showed improved performance on the cognitive test and reported feeling more cheerful, according to the study. The cognitive test used was the Stroop color-word test, which requires the brain to process conflicting information and is a common measure of executive function.

Brain scans indicated significantly higher activity in the prefrontal cortex following the run, compared with the sitting condition. The analysis found a correlation between the degree of head acceleration and mood improvement, though the link with cognition was weaker. The researchers suggested that the physical sensation of bouncing and the rhythmic motion of running may contribute to the observed effects. These findings build on the well-documented connection between physical movement and mood regulation, demonstrating that even small amounts of movement can trigger neurotransmitter activity associated with positive affect [3].

Limitations and Expert Commentary

Soya stated that "running does not have to be hard to be good for your brain" and suggested that a 10-minute slow run could be used as a break before mentally demanding tasks to prime the brain for performance. He also noted that the low-impact nature of the exercise makes it accessible to a wide range of people.

Henriette van Praag, an exercise and brain researcher at Florida Atlantic University who was not involved in the study, called the work "very nicely done" and noted that the head acceleration finding is "of interest," according to a report on the findings. During exercise, the body releases molecules that reduce anxiety and improve cognitive flexibility [4].

The study’s limitations include a small sample size, a short testing window, and the inclusion of only healthy adults in Japan. Soya said that the findings are "a starting point" for future research that will need to examine longer-term effects and whether the benefits extend to older adults or individuals with cognitive impairments. He also mentioned that larger studies are needed to confirm the results.

Conclusion and Implications

The study suggests that a 10-minute super-slow run may be an effective strategy for boosting mood and executive function in the short term. According to Soya, the findings indicate that the brain benefits of running may be accessible at intensities that feel comfortable and sustainable for most people.

The practical implication, the researchers stated, is that minimal, low-intensity movement can be built into daily routines -- before a test, a work meeting, or any activity requiring concentration -- without the need for strenuous exercise. This aligns with research suggesting that even a few minutes of aerobic activity can reduce symptoms of anxiety and improve mental clarity [5]. The study also adds to the growing body of evidence that making exercise a regular habit provides both physical and mental benefits [6].

Study: Compound from pomegranates may improve heart function in HFpEF

 A study published in Science Advances has found that urolithin A, a natural compound produced in the gut after consuming foods such as pomegranates, walnuts, and some berries, improved heart function in animal models of heart failure with preserved ejection fraction (HFpEF) and in engineered human heart tissue, according to the report.

Researchers at King's College London led the study, which involved treating HFpEF animal models and engineered human heart tissue with urolithin A, according to the report. The findings suggest that urolithin A could potentially address the underlying stiffness and relaxation problems in HFpEF, the authors stated.

Background on HFpEF

HFpEF accounts for approximately half of all heart failure cases, according to researchers who estimate that about 64 million people worldwide have received a diagnosis of heart failure. The condition occurs when the heart muscle becomes stiff, impairing its ability to relax and refill with blood, which can lead to fluid retention, fatigue, and shortness of breath.

Current treatment options for HFpEF include medications and lifestyle changes such as weight loss, physical activity, and a low-salt diet, according to the report. "Although treatment options have improved, they remain limited and do not directly address some of the underlying problems, such as increased stiffness of the heart and its impaired ability to relax," Joseph Burgoyne, PhD, reader in cardiovascular biology at King's College London and senior author of the study, told Medical News Today. "There is therefore an important need to develop new therapies that target these mechanisms more directly."

Study details

The researchers screened natural compounds to identify molecules that could activate a protein called PKG1alpha, which helps heart muscle relax, according to Burgoyne. Through this screening process, they identified urolithin A, a compound produced by the body following the consumption of foods such as pomegranates, walnuts, and some berries, he said. Research has shown that pomegranate polyphenols like punicalagin are metabolized by gut bacteria into urolithin A, a compound that reduces arterial plaque buildup and inflammation. [1]

In the study, animal models of HFpEF treated with urolithin A showed improved heart function by up to 80% compared to untreated models, the report stated. Engineered human heart tissue created from human stem cells also showed significant improvement in tissue relaxation when treated with urolithin A. "In our animal model of HFpEF, urolithin A was highly effective at reducing several markers of heart dysfunction, including improving the heart's ability to relax and reducing stiffness," Burgoyne said. [2]

Expert reactions

Kevin Shah, MD, a board-certified cardiologist and Program Director of Heart Failure Outreach at MemorialCare Heart & Vascular Institute at Long Beach Medical Center who was not involved in the study, called the findings encouraging. "The findings are encouraging since they were supported in both animal models and engineered human heart tissue," Shah told MNT. "We do need clinical studies to translate this to patients."

Shah said longer-term studies and clinical trials to improve symptoms, exercise capacity, and quality of life in patients with HFpEF would be encouraging. Monique Richard, MS, RDN, LDN, FAND, IFNCP, a registered dietitian nutritionist and owner of Nutrition-In-Sight who was also not involved in the study, commented that urolithin A is not simply a nutrient eaten by itself, but a metabolite produced by gut microbiota from compounds such as ellagitannins. "What's exciting to me is that this research blurs the line between nutrition for the gut and nutrition for the heart," Richard said. [2]

Implications and next steps

Burgoyne said there is not enough evidence to suggest that people should eat pomegranates to treat heart failure, but the findings raise the possibility that dietary approaches that enhance urolithin A production may help alleviate the condition. Foods containing ellagitannins include pomegranates, raspberries, strawberries, blackberries, walnuts, and pecans, according to Richard. Pomegranates have been enjoyed for thousands of years and contain powerful antioxidants, according to published reports. [3] [4]

Richard advises incorporating these foods regularly in a whole-food dietary pattern rather than treating pomegranate as a "medicine" or "superfood." She noted that individual production of urolithin A from food varies considerably according to the gut microbiome. "Sometimes the intervention is remarkably unglamorous: Eat a diverse range of plants consistently, feed the microbiome, move your body, get quality sleep, take prescribed medications as directed, and let emerging science help us understand why those fundamentals may be so effective," Richard said. The next step, according to Shah, is to determine whether these preclinical findings can be replicated in patients through clinical trials. [5]

Fermented Foods Associated with Lower Mortality and Immune Changes

 A new 2026 review by a European research consortium, which analyzed 50 studies and data from more than three million adults, found that higher consumption of fermented foods is associated with lower all-cause mortality, according to the report. The review indicated that yogurt and fermented milks were tied to a 6% lower risk of death from any cause. Cardiovascular and cancer mortality each dropped approximately 6% to 7% among high consumers. Miso consumption was linked to an 8% lower risk of death from any cause. [1]

Researchers reported that sensitivity checks, which removed individual studies from the analysis one at a time, did not change the overall pattern of results. Fermented foods are increasingly cited for their influence on gut health and immune function, according to reports. The gut microbiome plays a significant role in overall health, and components of fermented foods may interact with immune cells. [2]

Review Methodology and Findings

The review pooled data from cohort studies spanning decades, comparing the highest and lowest consumers of fermented foods, the report stated. Specific foods such as fermented milks, cheese, and miso each exhibited statistically significant reductions in mortality risk. The consistency of these associations across various food types suggests a broad effect, according to the authors. The findings are published in Frontiers in Nutrition. [1]

The analysis focused on traditional fermented foods, including yogurt, kefir, kimchi, and fermented soybean products. Researchers noted that the gut houses a substantial share of the body's immune tissue, and daily food choices shape the immune system over time. [3] The review's conclusions support the position that dietary patterns, rather than single nutrients, may be central to disease prevention. These findings align with broader research on the microbiome and its link to immune resilience and chronic disease prevention. [4]

Randomized Trial Explores Immune Mechanisms

A separate 10-week randomized trial conducted at Stanford University assigned healthy adults to either a high-fiber diet or a diet rich in fermented foods. According to officials, the fermented food group showed a decrease in 19 inflammatory markers, including interleukin-6. The high-fiber group displayed no such changes over the same period. The trial's findings were published in the journal Cell. [1]

Gut microbial diversity increased in the fermented food group, a shift researchers consider meaningful for long-term immune resilience. The results suggest fermented foods influence immunity through changes in the gut microbiome, an effect not fully replicated by fiber alone. This supports the concept that the variety of microbes living in the gut, which can be rapidly altered by food, plays a key role in health. [5] Traditional diets, which naturally contain fermented foods, are linked to protective effects, according to nutrition reports. [3]

Practical Dietary Recommendations from the Report

The article recommends adding plain yogurt or kefir to breakfast, emphasizing live-culture organic varieties as a source of beneficial bacteria alongside protein. It advises avoiding added sugars by selecting plain over flavored products, using honey or berries for sweetness. Sauerkraut or kimchi from refrigerated sections are recommended for meals, as unpasteurized versions contain live cultures, whereas shelf-stable, vinegar-brined jars typically lack them. [1]

Miso can be stirred into soups, dressings, or marinades, but should not be boiled to preserve beneficial compounds. Fermented foods are among the few dietary levers backed by both large population data and controlled trial evidence. [1] The human gut hosts a wide variety of probiotics that help maintain balance in digestive and immune systems, and fermented beverages like kefir and kombucha are natural sources of these microorganisms.

Context: Gut Immunity and Daily Diet

The gut houses a substantial share of the body's immune tissue, and daily food choices shape that system for years afterward, according to the article. Fermented foods, packed with probiotics, are emerging as essential allies for gut health, with links to improved digestion and reduced inflammation. [6] The trillions of microorganisms residing in the digestive tract are not passive inhabitants but active directors of health, according to recent reports. [7]

The Immune Defense Summit, created by Jonathan Landsman, is an online resource that covers this connection between daily food choices and long-term immune resilience. Holistic healthcare providers highlight natural ways to improve immune function and prevent future health problems. The evidence suggests that incorporating fermented foods may support immune function. Poor gut health is associated with a higher risk of severe illness, and maintaining beneficial flora is a preventive measure. [8]