Blueberry, scientifically named Vaccinium, belongs to the family Ericaceae. Blueberries are considered ‘superfruit’ due to the abundant polyphenolic compound, which might show antioxidant capacity, and is sometimes exploited for its health beneficial properties . The worldwide distributors of blueberries are the USA, Canada, China, and Chile.1-3
Blueberry has different common names based on their species, namely high bush, low bush, rabbiteye and European bilberry. The low bush blueberry species (Vaccinium angustifolum) are mostly edible.2,3
Did you know?
Blueberry has great functional ingredients that benefit human health.1
| Nutritional Component | Value |
| Energy | 64 kcal |
| Protein | 0.7 g |
| Total lipid (fat) | 0.31 g |
| Carbohydrate | 14.6 g |
| Sugar (total sugar) | 9.36 g |
| Calcium | 12 mg |
| Iron | 0.34 mg |
| Magnesium | 6.2 mg |
| Phosphorus | 13 mg |
| Potassium | 86 mg |
| Sodium | <2 mg |
| Zinc | 0.09 mg |
| Copper | 0.046 mg |
| Manganese | 0.423 mg |
| Vitamin C (ascorbic acid) | 8.1 mg |
| Biotin | <3.7 µg |
Did you know that blueberries may have a positive impact on your vision? Studies suggest that the natural compounds called flavonoids found in blueberries can potentially improve the sensitivity of the cells in your eyes that capture light, known as retinal photoreceptors. While blueberries alone won’t guarantee perfect vision or ward off eye diseases, incorporating them into your diet as part of a healthy lifestyle may support your eye health.
Dr. Siddharth Gupta, MD
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The beneficial properties of blueberry are:
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Boost your daily nutrient intake with the goodness of blueberries! A one-cup serving of blueberries provides significant amounts of essential vitamins. You’ll have consumed 24% of your daily vitamin C intake, 5% of your daily vitamin B6 requirement, and a whopping 36% of your daily vitamin K need.
Dr. Rajeev Singh, BAMS
Blueberries are rich in anthocyanin, which may have antioxidant activity. It might be beneficial in reducing the oxidative stress and might play a crucial role in blood sugar management- An increase in blood sugar levels are characterised by a poor response to insulin stimulation. The anthocyanin-rich blueberry might decrease glucose intolerance.
In a cross-sectional study involving women conducted by Jennings et al. 2014, showed that higher consumption of blueberries results in improvements in insulin resistance. Thus, it may be beneficial for managing blood sugar levels in humans.1,2
However, this study is insufficient. Therefore, there is a need for more studies to develop the positive effect of blueberries on blood sugar management.
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Blueberry might be helpful in reducing the spread and enhancing the death of cancer cells. It might also minimise chances of cancer development and the risk of recurrence of cancer. But the actual mechanism is unknown. A laboratory study (Minker C et al. 2015) showed that lowbush type blueberry is composed of proanthocyanidins (antioxidant) which may have the ability to kill cancer cells in human colon cancer cell lines; thus, it might be an essential anti-cancer agent for colon cancer.1
According to an animal model study by Lin W et al., 2017, blueberry consumption might decrease tumour size and inhibit ovarian cancer cells by regulating levels of some enzymes.1
This information is insufficient as these studies are done in laboratories and not on humans. Therefore, more studies on humans are required to back this claim. Consequently, we advise you to speak to your concerned doctors and only have blueberries as a medicine.
Blueberries – A Natural Defense Against Bladder Infections!”
Dr. Smita barode, BAMS
Did you know that blueberries, just like cranberries, may have protective properties against bladder infections? These incredible berries contain substances that can hinder bacteria from attaching to the walls of the bladder, potentially reducing the risk of infection.
In an animal model study by Lee et al. 2014, intake of blueberry leaf extract showed a reduction of 20% in body weight. However, blueberry extract might be considered for managing weight. . The freeze-dried blueberry powder may be useful in managing overweight-related long-term issues.1 A human study conducted by Bertoia et al. 2015-16revealed that blueberry intake resulted in less weight gain during ageing.2
This information is insufficient. Further, more studies are needed to support the potential use of blueberries for human weight loss management. Therefore, it is essential to seek medical advice from a doctor before consuming blueberries to keep a check on your weight.
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Potential Uses of blueberry for brain health
Blueberry has an antioxidant activity which might help to reduce oxidative stress caused due to free reactive oxygen species in the brain. The daily consumption of blueberry juice might be beneficial for degenerative diseases. It might benefit in proper blood flow to the brain in healthy older adults. It might also enhance memory and delay the degeneration of the brain cells.1
US cohort studies on humans conducted by Gao et al. 2012, showed a lower risk of Parkinson’s disease upon intake of blueberry. Cognitive (thinking, reasoning and remembering) performance in the other adults and the elderly were observed to have improved after intake of blueberry powder.2
However, we require more studies to support the beneficial effect of blueberries on maintaining brain health. This information is insufficient and it is necessary to take a doctor’s advice before using blueberries.
Potential Uses of blueberry for the eyes:
Blueberries may enhance vision. Therefore, the consumption of blueberries may have some effect to recover visual sharpness. Anthocyanins in blueberry might contribute to eye health and reduce retinal (retina is a part of the eye) diseases. Blueberry might shield the retina from light-induced injury.1
This information is insufficient. Therefore, further research is needed to say that blueberries might benefit eye health.
Did you know that blueberries can be your ally in recovering from strenuous exercise? Studies suggest that blueberry supplements may help reduce muscle damage that occurs at a molecular level, leading to less soreness and improved muscle performance.
Dr. Anuja Bodhare, MD
Potential Uses of blueberry for heart health
Blueberry may have shielding effects against coronary heart disease. It may also be used to manage hypertension (high blood pressure), thus it may be beneficial for providing defence against cardiovascular (related to the heart and blood vessels) diseases.1,2
This information is not sufficient. We require more studies on humans to back this claim. Of course, you can always consult a qualified doctor before using blueberries to self-medicate.
Other Potential Uses of Blueberries:
Although studies show the benefits of blueberries in different health conditions, this information is insufficient. Hence, there is a need for further studies to establish the true extent to put forth the benefits of blueberries on human health. Furthermore, every person may respond differently to blueberries. Therefore, it is essential to consult a doctor before using blueberry preparations for any medical condition.
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Blueberries can be used in the following ways:
People must consult a professional physician before having any herbal supplements made from blueberries. We advise you not to change or discontinue your ongoing medications with any ayurvedic or herbal preparations without talking to an Ayurvedic doctor. They will recommend you the best form and dosage to have it.
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The side effects associated with blueberry are:
However, if you experience any side effects, seek immediate medical attention from your doctors who have prescribed it to you. They will be the best guide to provide you with proper treatment.
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The following precautions should be taken while consuming blueberries:
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Blueberry may be beneficial in increasing bone mineral density during bone metabolism, reducing the risk of bone loss. Blueberry contains an excess amount of anthocyanin and calcium, which may help strengthen the bones and reduce the chances of developing osteoporosis (a condition of weak bones).1 However, more studies are required to support the benefits of blueberry on maintaining bone density. Therefore, it is best to take the advice of a doctor.
One of the flavonoids, anthocyanidins, imparts a blue colour to the berry after complete ripening.1
The antioxidant and anti-inflammatory properties of blueberries may be helpful for various heart diseases.1 The heart diseases may be decreased due to the inhibition of soluble angiotensin (hormone) that increases blood pressure. The lipid-lowering effect of blueberries might also decrease in heart-related issues.1 However, this information is insufficient and requires more studies to provide the scope of blueberries in heart-related problems.
Blueberry contains vitamin C and vitamin B-6 (biotin).1
Allergic reactions to blueberries may showsymptoms like shortness of breath and back itching after eating blueberry fruit. Immediate medical attention is required if you experience such symptoms.5
1. Ma L, Sun Z, Zeng Y, Luo M, Yang J. Molecular Sciences Molecular Mechanism and Health Role of Functional Ingredients in Blueberry for Chronic Disease in Human Beings. [cited 2022 May 21]; Available from: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6164568/pdf/ijms-19-02785.pdf
2. Kalt W, Cassidy A, Howard LR, Krikorian R, Stull AJ, Tremblay F, et al. Recent Research on the Health Benefits of Blueberries and Their Anthocyanins. [cited 2022 May 22]; Available from: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7442370/pdf/nmz065.pdf
3. Blueberry: MedlinePlus Supplements [Internet]. [cited 2022 May 21]. Available from: https://medlineplus.gov/druginfo/natural/1013.html
4. FoodData Central [Internet]. [cited 2022 May 13]. Available from: https://fdc.nal.usda.gov/fdc-app.html#/food-details/2263889/nutrients
5. Dereci S, Orhan F, Koca T, Akcam M. Prevalence of blueberry allergy in a Turkish population. Annals of Allergy, Asthma and Immunology [Internet]. 2015 Mar 1 [cited 2022 May 22];114(3):259–60. Available from: : https://doi.org/10.1016/j.anai.2014.12.016
6. Paolo D, Benedetti A, di Paolo A, Giannese D, Cupisti A. Citation: Interactions between Food and Drugs, and Nutritional Status in Renal Patients: A Narrative Review. 2022. Available from: https://doi.org/10.3390/nu14010212
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