Polyphenol-rich cocoa, coffee, and berries may help support heart health

2025-12-16

There are several factors that play a role in keeping your heart healthy, such as getting enough physical activity, not smoking, and managing stressTrusted Source.

The food you eat is also important when it comes to cardiovascular health. Past studies show foods rich in nutrients like fiber, omega-3 fatty acidsTrusted Source, antioxidants, potassium, and magnesium can offer heart-health benefits.

“Cardiovascular disease is a leading cause of death worldwideTrusted Source, and diet is one of the most important factors we can change to protect heart health,” Ana Rodriguez-Mateos, PhD, professor of human nutrition at King’s College London in the United Kingdom, told Medical News Today. “Making healthier food choices is therefore key to preventing heart disease.”

Rodriguez-Mateos is the senior author of a new study recently published in the journal BMC Medicine that adds to the list another nutrient with potential heart benefits polyphenols.

Researchers found that consuming foods rich in polyphenols — such as coffee, berries, walnuts, cocoa, and olive oil — may lead to improved long-term heart health.

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