Blueberries are a really popular, tasty fruit indigenous to north America however grown commercially across the Americas and also Europe (1).

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They’re short in calories and incredibly healthy, perhaps regulating blood street levels and also aiding heart and mind health.

Often marketed together a superfood, blueberries are wonderful source of numerous vitamins, useful plant compounds, and also antioxidants (2).

This article reviews blueberries, consisting of their nutrition and also benefits.

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As a member of the heather household (Vaccinium ssp.), blueberries are carefully related come cranberries, bilberries, and huckleberries.

These small, ring berries are about 0.2–0.6 customs (5–16 mm) in diameter, and also their color can variety from blue come purple.

Different type of blueberries exist, so your appearance might vary slightly. The 2 most typical varieties space highbush and also lowbush blueberries.

Blueberries have actually a pleasant, sweet taste. Lock often consumed fresh yet may additionally be frozen or juiced. They have the right to be supplied in a variety of baked goods, jams, and also jellies, as well as for flavorings.


Blueberries are small, round, violet or blue berries belonging to the heather family. Highbush and lowbush blueberries room the two most common varieties.

Nutrition Facts

Blueberries space low in calories and also fat yet carry out decent amounts of healthy and balanced fiber.

A 3.5-ounce (100-gram) serving of raw blueberries has (3):

Calories: 57Water: 84%Protein: 0.7 gramsCarbs: 14.5 gramsSugar: 10 gramsFiber: 2.4 gramsFat: 0.3 grams


Blueberries mostly consist that 14% carbs, 84% water, and little amounts that protein and fat.

Most the the carbs come from an easy sugars favor glucose and fructose, but blueberries likewise contain some fiber.

These berries have a score of 53 ~ above the glycemic index (GI), i m sorry measures how quickly details foods progressive blood sugar levels (4).

As this score is fairly low, blueberries have to not cause significant spikes in blood sugar and are thought about safe for civilization with diabetes.


Dietary fiber is crucial part of a healthy and balanced diet and also may have protective effects versus various diseases (5).

One cup (148 grams) the blueberries provides 3.6 grams the fiber. In fact, approximately 16% that the carbohydrate content in these berries come in the form of fiber.


Blueberries room low in calories and also fat. They’re mainly comprised of carbs and water but additionally contain a decent amount the fiber.

Blueberries room rich in antioxidants and also beneficial tree compounds, including:


Anthocyanins room the main antioxidant link in blueberries.

They belong to a huge family the polyphenols referred to as flavonoids, i beg your pardon are thought to it is in responsible for numerous of the advantageous effects of blueberries (16).

More 보다 15 different anthocyanins have actually been recognize in blueberries, through malvidin and also delphinidin being the primary compounds (10, 17, 16).

These anthocyanins seem to be concentrated in the skin the the fruit. Therefore, the outer layer of the berry is the many nutritious component (18).


Blueberries space rich in valuable plant compounds and antioxidants — particularly anthocyanins — which may account for numerous of their wellness benefits.

Blueberries may have actually benefits for her heart, brain, and also blood sugar.

Heart Health

Heart disease is the leading reason of death worldwide (19).

Studies note a relationship between berries — or flavonoid-rich foods items — and also improved heart health (20, 11).

Some research argues that blueberries may have far-ranging health benefits for world with high blood pressure, a significant risk factor for heart condition (21, 22).

These berries may likewise inhibit the oxidation the LDL (bad) cholesterol — a vital step in the heart an illness process (23).

An observational examine in 93,600 nurses uncovered that a high input of anthocyanins was linked to a 32% reduced risk the heart assaults (24).

Brain Health

As the variety of people older 보다 65 boosts worldwide, so will age-related conditions and also diseases.

Interestingly, a greater intake of flavonoid-rich foods items like blueberries has been associated with much better brain function (25).

Eating blueberries may prevent oxidative tension — i m sorry plays an essential role in the aging process (26).

These berries may additionally improve brain function directly. In one 12-week study, drink blueberry juice daily improved storage in 9 older adult with at an early stage memory decrease (27).

Another, six-year examine in enlarge adults found that blueberries and strawberries were attached to delays in mind aging by up to two and also a half years (28).

Blood sugar Control

The prevalence of type 2 diabetes is increasing steadily an international (29).

People v diabetes space sensitive to rapid alters in blood sugar and also need come be cautious when they eat foods rich in carbs.

Blueberries save moderate quantities of street — or 15 grams per cup (148 grams).

However, castle don’t have adverse effects on blood street levels, which might be because of their high content of bioactive compounds.

Test-tube studies indicate that the anthocyanins in blueberries can have advantageous effects top top blood sugar manage (30, 31).

Human research studies have displayed promising outcomes as well.

One six-week study discovered that two blueberry smoothies everyday helped improve insulin sensitivity in obese civilization who to be at a high threat of occurring diabetes (32).

Blueberries may also impact blood street levels directly after a high-carb enjoy the meal by blocking specific digestive enzymes and reducing blood street spikes (33).

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Blueberries may decrease your hazard of heart disease, boost brain health, reduced blood street levels, and improve insulin sensitivity.