Exercise supports the aging brain. Nutrition supports the aging brain. But does combining them create extra benefits? A systematic review titled “Effects of Physical Exercise Combined with Nutritional Supplements on Aging Brain Related Structures and Functions” explored this question in adults over 65.

The review examined dozens of human and animal studies on exercise, supplements, and brain aging. Only three human studies tested the combination of exercise plus nutritional supplements — and the results were surprisingly simple:

Exercise helps. Nutrition helps. But science hasn’t yet proven whether combining them gives extra benefits — because we simply don’t have enough studies.

Why Exercise Supports the Aging Brain

Exercise is one of the most reliable ways to support long‑term brain health. Research shows that regular physical activity may help:

• improve blood flow to the brain
• support memory and attention
• reduce inflammation
• promote the growth of new neural connections

These benefits appear across many types of exercise, including walking, strength training, and balance work.

Why Nutrition Supports the Aging Brain

Several nutrients play important roles in brain aging, including:

• Omega‑3s (especially DHA): support brain structure and communication
• Antioxidants: help reduce oxidative stress
• B vitamins: support energy metabolism and cognitive function
• Polyphenols: may help protect brain cells

Food‑first patterns — especially those rich in fish, nuts, vegetables, and whole grains — consistently support healthier cognitive aging.

What the Review Found About Combining Exercise and Supplements

The review included 43 human studies on exercise or nutrition alone, but only three studies tested the combination. These three found:

• No clear additive benefits beyond exercise or nutrition alone
• Small improvements in some cognitive measures
• Large gaps in study design, duration, and supplement types

The authors concluded that the lack of additive effects may simply reflect the lack of research — not that combined routines are ineffective.

In other words: we don’t yet know whether combining exercise and supplements gives extra brain benefits, because the science isn’t there yet.

How Older Adults Can Think About Combined Routines

Even without proven “extra” benefits, combining exercise and good nutrition remains one of the most reliable ways to support healthy aging. Older adults can think about it this way:

• Exercise is foundational. It supports blood flow, mobility, and brain resilience.
• Nutrition fills the gaps. Food‑first patterns provide the nutrients the brain needs.
• Supplements are optional. They may help when diet varies or intake is low.
• Consistency matters more than complexity. Simple routines are often the most effective.

You don’t need a complicated program to support brain health — just steady habits that work together over time.

Food‑First Sources of DHA and Other Brain‑Supportive Nutrients

DHA is one of the most important nutrients for brain structure and function. It’s found naturally in fatty fish and certain fortified foods.

Reference

The study is available here: Effects of Physical Exercise Combined with Nutritional Supplements on Aging Brain Related Structures and Functions