Cocoa products are rich in flavonoids
High blood pressure often develops without obvious symptoms, but it can lead to serious health problems if left untreated.
Also known as hypertension, the condition increases the risk of heart attacks, strokes and other cardiovascular diseases. Blood pressure is considered high if readings are consistently above 140/90 mmHg.
The NHS advises taking several readings throughout the day and working out an average to get the most accurate picture of your blood pressure levels.
South Asians are commonly affected by high blood pressure.
The likelihood of developing the condition is due to factors such as weight, sodium consumption and lifestyle habits.
While some people need medication, others may be able to manage or prevent it through diet and lifestyle changes.
But health experts say one surprising food that may help is chocolate.
Dark chocolate, in particular, contains flavonoids, natural compounds that can help widen blood vessels and improve blood flow. This process may help reduce blood pressure.
Cocoa products are rich in flavonoids, with cocoa powder and dark chocolate offering the highest amounts. Milk chocolate also contains some, but in smaller quantities.
The flavonoids in dark chocolate have been linked to blood pressure-lowering effects for years.
Dr Karin Ried from the University of Adelaide, Australia, explained:
“Flavanols [a type of flavonoids] have been shown to increase the formation of endothelial nitric oxide, which promotes vasodilation and consequently may lower blood pressure.”
However, she warned that the benefits should not be overstated.
She said:
“There have, however, been conflicting results as to the real-life effects of eating chocolate.”
“We’ve found that consumption can significantly, albeit modestly, reduce blood pressure for people with high blood pressure but not for people with normal blood pressure.”
This means dark chocolate is not a cure for hypertension, but it may offer small benefits when included as part of a balanced diet.
Research published in the National Library of Medicine also looked at how flavonoid-rich foods affect blood pressure and cardiovascular disease risk.
The study examined whether regularly eating foods high in flavonoids could improve heart health factors, including blood pressure levels.
Its findings suggested that regular cocoa consumption could help reduce blood pressure, which may lower the risk of cardiovascular disease over time.
However, overall diet matters more than an individual food.
A low-fat, balanced diet that includes fruit, vegetables, whole grains and reduced salt intake remains one of the most effective ways to manage blood pressure.
Dark chocolate may offer some support, but moderation is key, especially as many chocolate products are also high in sugar and fat.
For people concerned about hypertension, regular monitoring and medical advice remain essential.
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