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Are Blueberries Really As Healthy As They’re Claimed to Be?

If you’ve been following the buzz around blueberries, you might think they’re the unsung heroes of the fruit world — the true MVPs of the breakfast table. In fact, the hype has gotten so intense that one comedian quipped she didn’t need therapy; she just needed a bowl of blueberries! But all jokes aside, there’s more to these little berries than just clever one-liners. Blueberries really do have impressive nutritional credentials, particularly their rich antioxidant content that gives them their deep blue hue.

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 Why blueberries aren't really a 'superfood'—and nothing else is, either

But while studies do show that blueberries are high in antioxidants, experts say there is not any scientific evidence that supports calling blueberries—or any other fruit or vegetable, for that matter—a "superfood." According to experts, research shows eating a wide variety of different colored, whole foods is most beneficial. To that end, implying one food is more "super" than the others, and in turn leading people to consume those superfoods at a higher rate than other whole foods, actually could be detrimental to one's health.

Articles of Interest

Blueberries and Health – Is the Whole Greater Than The Sum of Its Parts?

It seems important to encourage whole foods rather than individual nutrients in dietary recommendations or when making ‘functional food’.

Ask a grown-up: why are blueberries blue?

Blueberries aren't actually blue, but deep purple, which is the colour of anthocyanin, a pigment that is especially rich in blueberries. Humans have evolved to be attracted to, and to want to eat, coloured foods. For example, our ancestors would have known to eat berries that had a rich colour, because that meant they were sweet and ripe.

Ask Well: Red Cabbage vs. Blueberries?

Though red cabbage contains many anthocyanins, the antioxidant plant pigments that give fruits and vegetables a blue, red or, as in the case of red cabbage, purple color, they all have the same parent compound (called an anthocyanidin). Blueberries contain five of these parent compounds and dozens of derivatives, Dr. Howell said, and a greater variety of nutrients is likely to contribute to a wider range of medicinal benefits.

Blueberries and strawberries slow cognitive decline

Those who ate more berries experienced a delayed cognitive decline by up to 2½ years. But the authors stressed that while they did control for health factors in the modelling, they could not exclude the possibility that participants with preserved cognition may also have been affected by lifestyle choices, such as exercise.

Blueberries for All

I don’t put much stock in the concept of “super foods,” but if you do, blueberries should be on your list. Their health benefits are well documented in the scientific literature. One study, published last year in BMJ, showed a correlation between the consumption of blueberries, apples and grapes, but especially blueberries, and a significantly lower risk of Type 2 diabetes. Scientists who are looking at foods that contain fibers that nourish probiotics, or beneficial microflora, in our lower intestines are finding that blueberries and other berries have a lot of potential in this area.

Blueberries may help lower blood pressure

The experts pointed to the blueberries' high levels of anthocyanins as the possible reason. Anthocyanins are the phytochemicals that give blueberries their dark color. (While all berries contain anthocyanins, blueberries have one of the highest levels.) The research also showed that anthocyanins improve the function of endothelial cells in the body. These cells line the inner surface of blood vessels and help with blood flow and blood pressure regulation. The researchers added that blueberries may not only help control high blood pressure, but also may prevent people from developing hypertension.

Blueberries Pack a Nutritional Wallop

Blueberries are the king of fruits when it comes to micronutrients. They may not have the vitamin C of oranges and grapefruit, or the potassium found in bananas. But blueberries do have an abundance of phytonutrients, whose strong antioxidant and anti-inflammatory properties, some scientists believe, may help protect against heart disease, colon cancer and other maladies.

Blueberries: Small Fruit, Big Benefits

Despite their diminutive size, blueberries are a nutrient-dense fruit, rich in vitamins, minerals, dietary fiber and polyphenols – especially anthocyanins. Blueberries owe their deep blue-purple hue to anthocyanins, which are natural plant compounds known as phytonutrients or phytochemicals. These powerful compounds are primarily responsible for many of the fruit’s health benefits and have been associated with a reduced risk of various chronic diseases.

Eat blueberries and strawberries three times per week

Anthocyanins are a subset of a group of chemicals called flavonoids. The Rimm study suggests that anthocyanins are particularly heart-healthy—but Dr. Rimm is quick to point out that while his study proposes anthocyanins as dietary good guys, it's not definitive.

How Blueberries and Other Foods May Potentially Be Bad For You

Blueberries are well known for their health benefits. They’re packed with antioxidants and vitamins, and they have been shown to help improve brain function and memory. But did you know that blueberries may also be bad for you? Yes, it’s true! While blueberries are certainly a healthy food, they can also potentially cause some negative side effects. Here are a few things to keep in mind if you’re planning on eating blueberries.

Recent Research on the Health Benefits of Blueberries and Their Anthocyanins

An increasing body of evidence suggests that blueberries and anthocyanins reduce biomarkers and risk of diseases that constitute major socioeconomic burdens, including cardiovascular disease (CVD), type 2 diabetes mellitus (T2DM), and neurological decline.

Scientists Just Discovered That Eating Blueberries Will Make You Smarter and Significantly Improve Your Memory

A study recently published in Nutrients found that participants who ate just half a cup of blueberries a day for 12 weeks experienced improvements in learning, memory, and executive function: decision-making, planning, focus, task management, etc.

Superfood of the Week: Blueberries

Need a little something to brighten up those dreary winter days? Try adding blueberries to your next meal! Not only does the fruit's vibrant color add a pretty pop to any dish, but also, according to the United States Highbush Blueberry Council, 78% of women who eat blueberries say they add a boost to their day. That's probably because in addition to bursting with sweet, juicy flavor, blueberries are also loaded with health benefits.

The Health Benefits of Blueberries—and the Best Ways to Eat Them

Blueberries have been dubbed superfoods and superfruits by several studies, and it's no wonder why.

The power of blueberries

Often labeled a "superfood," the blueberry is bursting with nutrients, many of which are classified as antioxidants and phytochemicals. 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. Research also suggests regularly eating blueberries may improve memory and delay age-related cognitive decline.

The state of the science on the health benefits of blueberries: a perspective

It is important to note that whole fruit (e.g., fresh, frozen, and freeze-dried) and 100% fruit juices contain numerous nutrients and phytochemicals which may have additive and/or synergetic effects that may not occur with administration of isolated compounds like anthocyanins. Notably, most clinical trials with blueberry interventions evaluated in this perspective utilized the whole fruit in the form of freeze-dried powder. The potential health benefits of dietary supplements containing anthocyanins extracted from blueberries is not well-established.

The state of the science on the health benefits of blueberries: a perspective

Mounting evidence indicates that blueberry consumption is associated with a variety of health benefits. It has been suggested that regular consumption of blueberries can support and/or protect against cardiovascular disease and function, pre-diabetes and type 2 diabetes, and brain and cognitive function in individuals with health conditions and age-related decline.

Unlocking the Sweet Truth: A Deep Dive into the Blueberries Benefit for Your Health

The intake of blueberries delivers an array of beneficial compounds including polyphenols, dietary fiber, and flavonoids such as anthocyanins, with notable representatives being delphinidin and malvidin, as well as ellagic acid and chlorogenic acid. These compounds play a critical role in health by mitigating oxidative stress and inflammation, thus safeguarding cellular integrity and promoting overall wellness.

What Happens to Your Body if You Eat Blueberries Every Day, According to a Registered Dietitian

With so many health benefits linked to blueberries, you would assume eating them by the bushels would be just fine, but because this berry contains a moderate amount of sugar—around 15 grams per cup—you must be mindful of how you’re ingesting this sweet little fruit.

Resources

Ten Benefits of Blueberries You Didn't Know

Blueberries may be small, but this little fruit packs a nutritional punch. Whether fresh or frozen, blueberries protect against heart disease, improve bone health, encourage blood circulation, and help control blood sugar levels.