Blueberries, strawberries, raspberries and blackberries are often promoted as foods that support longevity.
But are berries really more beneficial than other fruits?
Berries are nutritious and contain plant compounds that may support cardiovascular and metabolic health. However, they have not been proven to slow human aging or extend lifespan.
What Makes Berries Special?
Many berries contain naturally occurring compounds called polyphenols.
Blueberries and blackberries are particularly known for their anthocyanins — pigments responsible for their blue, purple and red colours.
Berries also provide vitamin C, fibre and other nutrients, although their composition varies between varieties.
These compounds are being investigated for their effects on blood vessels, inflammation and metabolic regulation.
Are Berries Good for Your Heart?
Some observational studies have found associations between higher berry or anthocyanin consumption and better cardiovascular outcomes.
Clinical trials have also examined whether berries can improve blood pressure, vascular function and certain metabolic markers.
Results are promising in some areas, but not all studies show consistent benefits.
Importantly, improvements in individual health markers do not prove that berries prevent heart attacks or extend lifespan.
Are Blueberries Healthier Than Strawberries?
Not necessarily.
Blueberries contain substantial amounts of anthocyanins.
Strawberries provide vitamin C and different polyphenols.
Raspberries and blackberries are particularly useful sources of dietary fibre.
Each offers a different nutritional profile.
Eating different berries is more useful than searching for one superior variety.
Are Frozen Berries a Good Choice?
Yes, provided they are properly processed and stored.
Freezing can preserve many nutrients, although quality and vitamin content depend on processing and storage conditions.
Follow food-safety instructions. Some frozen berries, particularly imported products, may require heating before consumption because freezing does not reliably eliminate viruses.
How Often Should You Eat Berries?
There is no WHO recommendation specifying a particular daily serving of berries.
The World Health Organization recommends at least 400 grams of vegetables and fruits combined daily for adults.
Berries can contribute to this target alongside apples, citrus fruits, other fruits and vegetables.
Choose fresh or appropriately prepared frozen berries according to availability and preference.
Based on Research
World Health Organization. Healthy diet. January 2026. https://www.who.int/news-room/fact-sheets/detail/healthy-diet
Cassidy A et al. High Anthocyanin Intake Is Associated With a Reduced Risk of Myocardial Infarction in Young and Middle-Aged Women. Circulation, 2013. https://doi.org/10.1161/CIRCULATIONAHA.112.122408
