For health benefits, aim for about 1 cup (around 148g) of blueberries daily, which provides antioxidants, vitamins, and fiber, though even a smaller amount (like 1/3 cup) offers advantages, with some studies showing benefits from consuming about 130 fresh blueberries or blueberry powder equivalent to this amount for brain health. Consistency is key, and integrating them regularly into a balanced diet supports heart, brain, and digestive health, with studies highlighting benefits from just a few servings a week to daily intake.
Blueberries are something that can be enjoyed every day, and two handfuls of blueberries, which is the equivalent of 4 heaped teaspoons, counts towards one of your five-a-day portions. Research has found that eating a cup of blueberries a day reduces risk factors for cardiovascular disease.
Much of the power of blueberries lies in their colors. The deep-blue hue comes from anthocyanin, a phytochemical whose abilities may help protect the body from heart disease and Type 2 diabetes, offering cancer-fighting benefits, promote gut health and reduce inflammation.
Blueberries May Cause Digestive Issues
While blueberries are generally considered to be a healthy food, they can sometimes cause digestive issues like constipation or diarrhea. If you eat too many blueberries, you may experience stomach pain or cramping.
While there's no single "number one," blueberries are widely considered top contenders for the healthiest fruit due to their high antioxidants (anthocyanins) that boost brain, heart health, and reduce inflammation, with other berries, avocados, and oranges also ranking high for vitamins and healthy fats. The best approach is a varied intake of fruits, with berries, citrus, and nutrient-dense options like avocado providing broad benefits.
While there is no scientifically-proven "best" time of day to eat blueberries for maximum antioxidant absorption, Bannan emphasizes that consuming them consistently—whether with breakfast, as a midday snack or even as an evening dessert—can help ensure that you're regularly benefiting from their protective nutrients.
Here are the healthiest berries you can find.
Like just about anything in life, eating too many blueberries may cause some side effects. “Blueberries contain fiber, which most people do not consume enough of; however, too much for someone not used to a high fiber diet could result in gas, bloating, or discomfort,” Pincus notes.
Official Statements from Cardiology Organizations. The American Heart Association says to eat foods like blueberries. They are full of antioxidants. A diet rich in fruits, veggies, whole grains, and lean proteins can lower heart disease risk.
Dried blueberries still offer many of the same impressive benefits as their fresh counterparts. Their antioxidant compounds, especially anthocyanins, remain intact through the drying process, and their fiber becomes more concentrated—making them a potent, shelf-stable source of nutrients.
Summary. Although we see these two berries are very similar to each other from the point of nutrition, vitamins, and antioxidants, blackberries contain more vitamin C and fewer carbohydrates and sugars. At the same time, blueberries are better in vitamins B1, B5, and B6.
Numerous studies have found that frozen berries contain the same nutritional elements as fresh berries that have just been harvested. However, this does not mean that “fresh” berries found in the produce section of a grocery store are a better choice than frozen berries.
Blueberries. "Blueberries are renowned for their high levels of antioxidants, particularly anthocyanins, which may support brain health and combat inflammation," Manaker says. This antioxidant also gives blueberries their color.
Blueberries and kidney disease
Blueberries are also low in sodium and phosphorus making them suitable for a kidney friendly diet.
Medications for diabetes (Antidiabetes drugs) interacts with Blueberry. Blueberry fruit or leaf might lower blood sugar levels. Taking blueberry along with diabetes medications might cause blood sugar to drop too low.
Blueberries will last longer in the fridge than on the counter. Whereas blueberries left on the counter will stay good for about two days, blueberries will last up to a week in the fridge.
Eating blueberries regularly can improve vision and strengthen blood vessels in the back of the eyes. Blueberries also contain anthocyanins, which help lower both high blood pressure and inflammation and also prevent blockages in the arteries that feed oxygen to the retina.
However, cell breakages occurring during freezing and frozen storage can lead to the release of antioxidant compounds and their degradation due to chemical and enzymatic oxidation reactions, and thus, they could present a lower antioxidant activity compared to the corresponding fresh product.
Blueberry Serving Size and Benefits
One serving of blueberries is 1 cup. The Dietary Guidelines for Americans recommends adults eat 2 cups of fruit each day. Don't let their small size deceive you — blueberries pack a lot of nutrition.
While there's no single "number one," blueberries are widely considered top contenders for the healthiest fruit due to their high antioxidants (anthocyanins) that boost brain, heart health, and reduce inflammation, with other berries, avocados, and oranges also ranking high for vitamins and healthy fats. The best approach is a varied intake of fruits, with berries, citrus, and nutrient-dense options like avocado providing broad benefits.
May support gut health
The polyphenols in blackberries, including anthocyanins, act as a fuel source for the beneficial bacteria that live in our gut. These bacteria convert polyphenols into active chemicals that help to keep our gut healthy and our immune system functioning well.
Summary. Strawberries are richer in minerals, contain 5 times more vitamin C and 3 times more folate, and have a lower GI and sugar than blueberries. Blueberries have more vitamins, copper, zinc, and carbs. They are also cheaper than strawberries.
The healthiest dried fruits are nutrient-dense options like dates, apricots, prunes, figs, and raisins, offering fiber, potassium, and antioxidants, but moderation is key due to concentrated sugars; dates are highest in polyphenols, apricots packed with Vitamin A, and prunes excellent for digestion, while choosing varieties without added sugar or sulfites maximizes benefits.
Here are 7 of the simplest, best ways to eat blueberries this summer (and beyond).