Foods & ingredients/October 30, 2025

Blackberries: Nutrition Facts and Health Benefits

Discover blackberry nutrition facts and health benefits. Learn how blackberries support wellness, antioxidants, and overall health in your diet.

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Table of Contents

Blackberries are more than just a juicy summer treat—they’re a powerhouse of nutrients and bioactive compounds that can offer a wide range of health benefits. Whether you enjoy them fresh, in smoothies, or as a key ingredient in various dishes, understanding what makes blackberries special can help you make informed choices for your diet and overall well-being. In this article, we’ll dive deep into the nutritional content of blackberries and explore the science-backed health benefits they deliver.

Blackberries Nutrition Facts

Blackberries are a unique blend of delicious flavor and dense nutrition. Their vibrant color and tangy taste hint at a rich profile of vitamins, minerals, fiber, and potent plant compounds. Let’s explore what’s inside these berries and what makes them a standout among fruits.

Nutrient Amount per 100g (approx.) Key Compounds/Properties Source
Calories 43 kcal Low-calorie, nutrient-dense 1 5
Fiber High (approx. 5g) Supports digestion 5
Vitamin C 21–30 mg Antioxidant, immune support 1 3 4
Vitamin K Moderate Bone health, blood clotting 4
Anthocyanins 129–150 mg Antioxidant, pigmentation 1 2 9
Phenolics 130–241 mg Antioxidant, anti-inflammatory 1 2 5
Sugars Fructose, Glucose Natural sweetness 2 3
Minerals Potassium, Calcium Electrolyte balance, bones 2 4
Healthy Fats Mono- & polyunsaturated Cardiometabolic support 5

Table 1: Key Nutritional Components of Blackberries

Macronutrients and Caloric Content

Blackberries are low in calories, making them an excellent snack for weight management. A 100-gram serving provides only about 43 kcal, yet delivers a substantial dose of dietary fiber—around 5 grams per serving. This fiber content not only supports healthy digestion but also helps with satiety, making blackberries a filling choice for anyone looking to manage their appetite 1 5.

Vitamins and Minerals

Blackberries are particularly rich in vitamin C, with levels ranging from 21 to 30 mg per 100 grams, depending on growing conditions and maturity. Vitamin C is vital for collagen synthesis, immune function, and acts as a powerful antioxidant 1 3 4. They also contain vitamin K, essential for blood clotting and bone health, as well as small amounts of vitamin E and folate 4. Key minerals found in blackberries include potassium and calcium, important for cardiovascular health and bone maintenance 2 4.

Phytochemicals and Antioxidants

One of the standout features of blackberries is their impressive concentration of phytochemicals, especially anthocyanins, flavonols, and phenolic acids. Anthocyanins, the pigments responsible for the berries’ deep purple-black color, are present at roughly 129–150 mg per 100g of fresh berries 1 2. These, along with other phenolic compounds, give blackberries superior antioxidant properties, helping to neutralize harmful free radicals in the body 1 2 5 9.

Blackberries also contain significant levels of ellagitannins and ellagic acid, compounds with promising biological activity 9. The phenolic profile can vary depending on factors such as species, ripeness, and cultivation methods, but compounds like quercetin and isoquercitrin are often predominant 2 9.

Carbohydrates and Sugars

Blackberries contain natural sugars, primarily fructose and glucose. As the fruit matures, sugar content increases, enhancing their sweetness and making them more palatable in the fully ripe stage 2 3. Despite their sugar content, blackberries have a low glycemic index, making them suitable even for those monitoring blood sugar levels 3.

Healthy Fats and Fiber

While blackberries are not a significant source of fat, their seeds contain healthy mono- and polyunsaturated fatty acids, contributing to a favorable fat profile for cardiovascular health 5. Their high fiber content supports digestive health and can aid in maintaining healthy cholesterol levels.

Blackberries Health Benefits

Blackberries offer much more than just a pleasant taste—they are a nutritional powerhouse with a wide range of health-promoting effects. Let’s break down the major health benefits that regular blackberry consumption can provide, based on current scientific research.

Health Benefit Key Compounds/Mechanisms Evidence/Notes Source
Antioxidant activity Anthocyanins, phenolics Protects cells from oxidative stress 2 4 7 9
Anti-inflammatory Polyphenols, vitamin C May reduce risk of chronic inflammation 4 7 9
Heart health Fiber, flavonoids, minerals Supports healthy blood pressure, lipids 4 5 7
Neuroprotection Anthocyanins, ellagitannins May slow cognitive aging 9
Anticancer potential Polyphenols, ellagic acid Inhibits cancer cell growth (in vitro) 6 8 9
Metabolic support Fiber, low sugar, polyphenols Supports weight, glucose, lipid control 3 4 5
Antimicrobial effects Flavonoids, phenolics May inhibit pathogenic bacteria/fungi 4 9

Table 2: Science-Backed Health Benefits of Blackberries

Potent Antioxidant Capacity

Blackberries are celebrated for their exceptional antioxidant content, primarily due to their high levels of anthocyanins, flavonols, and other phenolic compounds. These antioxidants help neutralize harmful free radicals, protecting cellular structures and DNA from oxidative damage—a process linked to aging and many chronic diseases 2 4 7 9. Studies have consistently shown that blackberries rank among the top fruits for antioxidant potency, thanks to this rich mix of bioactive compounds 1 2 5 9.

Anti-Inflammatory Effects

Chronic inflammation is a root cause of many modern diseases, including heart disease, diabetes, and certain cancers. Blackberries, with their combination of vitamin C and polyphenols, show promising anti-inflammatory effects. These compounds can help reduce inflammatory markers and may lower the risk of chronic inflammation when included regularly in the diet 4 7 9.

Cardiovascular Protection

Several components in blackberries contribute to heart health:

  • Fiber: Helps reduce cholesterol absorption and supports healthy lipid profiles.
  • Potassium and Polyphenols: Aid in maintaining normal blood pressure and vascular function.
  • Flavonoids: May help decrease the risk of atherosclerosis by reducing oxidative stress and inflammation in blood vessels 4 5 7.

Consuming blackberries as part of a balanced diet has been associated with improved cardiovascular markers and may help prevent the development of heart disease over time 4 5 7.

Cognitive and Neuroprotective Benefits

Emerging research indicates that the anthocyanins and ellagitannins found in blackberries may play a role in protecting the brain from age-related decline. Animal studies suggest that these compounds can improve memory, slow cognitive aging, and protect against neurodegenerative diseases by combating oxidative stress and inflammation in neural tissues 9.

Anticancer and Chemopreventive Properties

Blackberries contain several bioactive compounds that have demonstrated anticancer activity in laboratory studies. Extracts from blackberries inhibit the growth of various human cancer cell lines and can stimulate apoptosis (programmed cell death) in tumor cells 6 8 9. Key compounds such as ellagic acid, anthocyanins, and flavonols are thought to contribute to these effects by:

  • Modulating cell signaling pathways
  • Suppressing tumor-promoting factors
  • Protecting DNA from mutagenic damage

While most of this evidence comes from in vitro (test tube) and animal studies, the results are promising and support further research into the potential role of blackberries in cancer prevention 6 9.

Metabolic Support: Weight, Glucose, and Lipids

Thanks to their low calorie and sugar content, combined with high fiber and antioxidant levels, blackberries are an excellent fruit choice for those managing weight, blood glucose, or cholesterol. Their low glycemic index means they cause minimal blood sugar spikes, and the fiber content supports stable blood glucose and satiety 3 4 5. Additionally, some studies suggest that polyphenols in blackberries may assist in modulating glucose and lipid metabolism, potentially reducing risk factors for metabolic syndrome 4 5.

Antimicrobial and Gut Health Benefits

Blackberries also exhibit antimicrobial properties, attributed to their flavonoids and phenolic acids. These compounds can inhibit the growth of pathogenic bacteria and fungi, supporting a healthy gut microbiome and possibly protecting against foodborne illnesses 4 9. Moreover, the fiber in blackberries acts as a prebiotic, nourishing beneficial gut bacteria and promoting digestive health 5.

Conclusion

Blackberries are a nutritional gem with a vibrant flavor and a host of health benefits. Incorporating them into your diet is a simple, delicious way to boost your nutrient intake and support your overall health.

Key Takeaways:

  • Blackberries are low in calories but rich in fiber, vitamins (especially C and K), and minerals like potassium and calcium 1 4 5.
  • They are one of the best fruit sources of anthocyanins and polyphenols, which give them strong antioxidant and anti-inflammatory properties 2 4 7 9.
  • Regular consumption supports heart and brain health, assists in weight management, and may help protect against certain cancers 4 5 6 9.
  • Their fiber and phytochemical content also promote gut health and may have antimicrobial effects 4 5 9.
  • The health benefits of blackberries are maximized when consumed as part of a varied, balanced diet.

Next time you reach for a snack, consider adding a handful of blackberries—not just for their taste, but for the powerful nutrition and science-backed benefits they deliver!

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