Eating Polyphenol Foods May Boost Heart Health

Quick Smiles:

• Regular consumption of tea, coffee, berries, cocoa, and nuts linked to lower heart disease risk.
• Researchers used a new score to accurately measure polyphenol-rich diets.
• Small changes in diet may benefit long-term cardiovascular health.

People who enjoy foods like tea, coffee, berries, cocoa, nuts, whole grains, and olive oil may support their heart health over time, says new research from King’s College London.

The study followed 3,100 adults for over a decade, examining a wide range of plant compounds and their metabolites in the body.

Results showed that higher adherence to polyphenol-rich diets was linked to healthier blood pressure, better cholesterol, and lower predicted cardiovascular disease risk scores.

A newly created dietary score tracked intake of 20 key polyphenol-packed foods, revealing stronger links to heart health than measuring total polyphenol amounts.

“Our findings show that long-term adherence to polyphenol-rich diets can substantially slow the rise in cardiovascular risk as people age,” said Professor Ana Rodriguez-Mateos of King’s College London.

“Even small, sustained shifts towards foods like berries, tea, coffee, nuts, and whole grains may help protect the heart over time.”

Lead author Dr. Yong Li added, “The research provides strong evidence that regularly including polyphenol-rich foods in your diet is a simple and effective way to support heart health.”

This study suggests that emphasizing overall dietary patterns, rather than focusing on individual nutrients, is key to keeping the heart happy.

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