Arándano, Bleuet, Bleuet des Champs, Bleuet des Montagnes, Bleuets, Blueberries, Highbush Blueberry, Hillside Blueberry, Lowbush Blueberry, Myrtille, Rabbiteye Blueberry, Rubel, Tifblue, Vaccinium altomontanum, Vaccinium amoenum, Vaccinium angustifolium, Vaccinium ashei, Vaccinium brittonii, Vaccinium constablaei, Vaccinium corymbosum, Vaccinium lamarckii, Vaccinium pallidum, Vaccinium pensylvanicum, Vaccinium vacillans, Vaccinium virgatum.<br/><br/>
Overview InformationBlueberry is a plant. People use the fruit and leaves to make medicine.
Be careful not to confuse blueberry with bilberry. Outside of the United States, the name "blueberry" may be used for a plant called "bilberry" in the U.S.
Blueberry is used for a variety of conditions including improved memory and thinking skills, prevention of cancer and heart disease, and treatment of urinary tract infections (UTIs) and depression. But there is limited scientific research to support any of these uses.
How does it work?Blueberry, like its relative the cranberry, might help prevent bladder infections by stopping bacteria from attaching to the walls of the bladder. Blueberry fruit is high in fiber which could help normal digestive function. It also contains vitamin C and other antioxidants. Blueberry also contains chemicals that might reduce swelling and destroy cancer cells.
Uses & Effectiveness
Possibly Ineffective for
- High blood pressure. Most research shows that taking blueberry does not reduce blood pressure.
Insufficient Evidence for
- Decline in memory and thinking skills that occurs normally with age. Some research shows that taking blueberry daily for 3-6 months might help improve some thinking and memory tests in adults over 60 years of age. However, most tests for thinking and memory do not change. If there is a benefit, it is probably small.
- Aging. Some research shows that eating frozen blueberries can improve foot placement and balance in elderly people. However, other research shows that eating blueberries does not help with these things. Also, eating blueberries doesn't seem to improve strength or walking speed in elderly people.
- Memory and thinking skills (cognitive function). Early research shows that taking a single dose of blueberry may improve learning in children ages 7-10 years.
- Depression. Some people that have a clot in one of the vessels in the brain may experience depression. In those people with depression, they may be more likely to have infections in the GI tract. Some research suggests that taking blueberry extract daily for 90 days can reduce symptoms of depression and also reduce infections in this group of people.
- Arthritis in children (juvenile idiopathic arthritis). Early research shows that drinking blueberry juice daily while using the medication etanercept reduces symptoms of arthritis in children better than the medication alone. Drinking blueberry juice might also reduce side effects caused by etanercept.
- Memory. Early research shows that drinking a single blueberry beverage does not significantly improve memory in children.
- Bad circulation.
- Chronic fatigue syndrome (CFS).
- Labor pains.
- Multiple sclerosis (MS).
- Peyronie's disease (build-up of scar tissue in the penis).
- Preventing cataracts and glaucoma.
- Sore throat.
- Urinary tract infections (UTIs).
- Varicose veins.
- Other conditions.
Side Effects & SafetyWhen taken by mouth: Blueberry fruit is LIKELY SAFE for most people when consumed in the amounts found in food. There isn't enough reliable information to know if taking blueberry leaf is safe or what the side effects might be.
When applied to the skin: There isn't enough reliable information to know if blueberry is safe when applied to the skin or what the side effects might be.
Special Precautions & Warnings:Pregnancy and breast-feeding: Blueberry fruit is LIKELY SAFE when used in amounts commonly found in foods. But not enough is known about the safety of the larger amounts used for medicine. Stick to normal food amounts if you are pregnant or breast-feeding.
Diabetes: Blueberry might lower blood sugar levels in people with diabetes. Watch for signs of low blood sugar (hypoglycemia) and monitor your blood sugar carefully if you have diabetes and use blueberry products. The dose of your diabetes medications may need to be adjusted by your healthcare provider.
Surgery: Blueberry might affect blood glucose levels and could interfere with blood sugar control during and after surgery. Stop using blueberry at least 2 weeks before a scheduled surgery.
Be watchful with this combination
Medications for diabetes (Antidiabetes drugs) interacts with BLUEBERRY
Blueberry leaves might decrease blood sugar. Diabetes medications are also used to lower blood sugar. Taking blueberry leaves along with diabetes medications might cause your blood sugar to go too low. Monitor your blood sugar closely. The dose of your diabetes medication might need to be changed.<br /><br /> Some medications used for diabetes include glimepiride (Amaryl), glyburide (DiaBeta, Glynase PresTab, Micronase), insulin, pioglitazone (Actos), rosiglitazone (Avandia), chlorpropamide (Diabinese), glipizide (Glucotrol), tolbutamide (Orinase), and others.
The appropriate dose of blueberry depends on several factors such as the user's age, health, and several other conditions. At this time there is not enough scientific information to determine an appropriate range of doses for blueberry. Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult your pharmacist or physician or other healthcare professional before using.
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- Casadesus, G., Shukitt-Hale, B., Stellwagen, H. M., Zhu, X., Lee, H. G., Smith, M. A., and Joseph, J. A. Modulation of hippocampal plasticity and cognitive behavior by short-term blueberry supplementation in aged rats. Nutr Neurosci. 2004;7(5-6):309-316. View abstract.
- Goyarzu, P., Malin, D. H., Lau, F. C., Taglialatela, G., Moon, W. D., Jennings, R., Moy, E., Moy, D., Lippold, S., Shukitt-Hale, B., and Joseph, J. A. Blueberry supplemented diet: effects on object recognition memory and nuclear factor-kappa B levels in aged rats. Nutr Neurosci. 2004;7(2):75-83. View abstract.
- Joseph, J. A., Denisova, N. A., Arendash, G., Gordon, M., Diamond, D., Shukitt-Hale, B., and Morgan, D. Blueberry supplementation enhances signaling and prevents behavioral deficits in an Alzheimer disease model. Nutr Neurosci. 2003;6(3):153-162. View abstract.
- Kalt, W., Blumberg, J. B., McDonald, J. E., Vinqvist-Tymchuk, M. R., Fillmore, S. A., Graf, B. A., O'Leary, J. M., and Milbury, P. E. Identification of anthocyanins in the liver, eye, and brain of blueberry-fed pigs. J Agric.Food Chem 2-13-2008;56(3):705-712. View abstract.
- Kay, C. D. and Holub, B. J. The effect of wild blueberry (Vaccinium angustifolium) consumption on postprandial serum antioxidant status in human subjects. Br.J.Nutr. 2002;88(4):389-398. View abstract.
- Kornman, K., Rogus, J., Roh-Schmidt, H., Krempin, D., Davies, A. J., Grann, K., and Randolph, R. K. Interleukin-1 genotype-selective inhibition of inflammatory mediators by a botanical: a nutrigenetics proof of concept. Nutrition 2007;23(11-12):844-852. View abstract.
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- Matchett, M. D., MacKinnon, S. L., Sweeney, M. I., Gottschall-Pass, K. T., and Hurta, R. A. Inhibition of matrix metalloproteinase activity in DU145 human prostate cancer cells by flavonoids from lowbush blueberry (Vaccinium angustifolium): possible roles for protein kinase C and mitogen-activated protein-kinase-mediated events. J Nutr Biochem 2006;17(2):117-125. View abstract.
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