Healthy Aging Starts on Your Plate

September is Healthy Aging Month [1]—a good time to think about something researchers are increasingly discovering: the number of candles on your birthday cake doesn't necessarily tell the whole story about how you're aging.

We all have a chronological age—the number of years we’ve been alive. But scientists also study biological age, which reflects the changes occurring in our cells and tissues as we grow older. Two people of the same chronological age may not be aging biologically at the same rate [2].

And intriguing new research suggests that what we eat may influence that process.

A new study published in Nature Communications found that people who followed healthier eating patterns—including the Mediterranean diet—showed signs of slower biological aging [3].

How Scientists Measure Biological Aging

As we age, small chemical changes can occur around our DNA without changing our genes themselves. These changes can be influenced by aging, lifestyle, and the environment—and the patterns they create can give scientists clues about how quickly our bodies are aging biologically.

Think of it as a kind of biological clock.

Researchers in this new study asked a simple but fascinating question:

Do people who eat healthier diets show signs that their biological clocks are ticking more slowly?

What Did the Researchers Find?

The researchers studied more than 7,500 adults from two large German studies.

Instead of looking at just one diet, they compared 10 different healthy eating patterns, including the Mediterranean, DASH, MIND and Nordic diets, as well as other healthy and plant-focused approaches.

The result was remarkably consistent:

People who followed healthier eating patterns showed signs of slower biological aging.

What makes this finding especially compelling is its consistency. The association appeared across a variety of healthy eating patterns, suggesting that overall diet quality may play an important role in how we age biologically.

While this type of study cannot establish cause and effect, the findings add to growing evidence linking healthy dietary patterns with healthier aging.

The Mediterranean Diet and Healthy Aging

The Mediterranean diet was among the healthy eating patterns associated with slower biological aging in the study.

Mediterranean-style eating isn't built around one “superfood.” It's an overall pattern that emphasizes vegetables and fruits, legumes, whole grains, nuts and seeds, olive oil and other plant foods, along with fish and other foods traditionally eaten in Mediterranean cultures.

While the researchers found similar associations with several approaches to healthy eating, many of these diets shared important characteristics.

Even more interesting, the researchers found that the different healthy eating patterns were associated with many of the same biological processes involved in how our cells function, communicate and use energy—processes that are important in aging and chronic disease.

That's important because nutrition science increasingly looks beyond individual nutrients and asks a bigger question:

What happens when these foods become part of the way we eat day after day, year after year?

For those who already follow—or are interested in—the Mediterranean diet, these findings add another intriguing piece to a substantial body of research supporting this way of eating as an approach to healthy aging.

Small Choices Add Up

Of course, food is only one part of healthy aging. Physical activity, sleep, social connection, genetics and good health care all matter too.

But what we eat is something we can influence every day.

During Healthy Aging Month, consider a few simple Mediterranean-inspired changes:

• Add another vegetable or fruit to your plate.
• Use extra-virgin olive oil in place of less healthy fats when appropriate.
• Eat beans, lentils and other legumes more often.
• Choose nuts for a snack.
• Include more whole grains and plant foods.
• Enjoy fish regularly as part of your overall eating pattern.

You don't have to eat perfectly, and you don't have to change everything at once.

The pattern you create over time is what matters.

We can't change our chronological age. But research like this gives us an encouraging reason to pay attention to the choices we can make.

And one of the simplest places to start is right on our plate.

Bring Mediterranean Bioactives into Your Daily Routine

Olivino® Essential was created to complement a Mediterranean-inspired lifestyle. Each daily softgel combines four carefully selected Mediterranean bioactives—olive fruit extract, grape seed extract, resveratrol and tomato nutrients—in one convenient formula.

One softgel a day. One bottle. A full 60-day supply.

Discover Olivino® Essential

To your good health!

[1] Office of Disease Prevention and Health Promotion. Healthy Aging. U.S. Department of Health and Human Services. Healthy Aging | odphp.health.gov

[2] National Institute on Aging. (2021, March 26). The epigenetics of aging: What the body's hands of time tell us. National Institutes of Health. National Institute on Aging — The Epigenetics of Aging.

[3] Tavares JF, Liu D, Talevi V, et al. Associations between diet quality, epigenetic aging and epigenome in two population-based cohorts. Nature Communications. 2026;17:9232. doi:10.1038/s41467-026-77064-4. https://www.nature.com/articles/s41467-026-77064-4

About the Author
Clare Hasler-Lewis, M.S., Ph.D., MBA, is CEO and Co-Founder of OlivinoLife, Inc., and a nutrition scientist who has spent more than 35 years translating nutrition research into practical health information. She is the author of the Med Diet News series, which explores the latest science on the Mediterranean diet and healthy aging.