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Cranberries have a long history as a natural treatment for urinary tract infections and a new study in the British Journal of Nutrition now reports that they may also help improve urinary flow and other symptoms associated with prostate enlargement in men. “These results are the first firm evidence that cranberries may [improve] lower urinary tract symptoms,” said the Czech researchers.
Benign prostatic hyperplasia (BPH) and chronic prostatitis frequently affect men as they get older. Both of the conditions cause swelling of the prostate gland which can lead to slow urine steam, incomplete emptying of the bladder, and urinary frequency and urgency. BPH and prostatitis can also cause other problems if left untreated; plus, they’re just not comfortable to live with.
Standard treatments for BPH and prostatitis include medications such as:
Each of these treatments comes with certain side effects, which may include bacterial resistance, sexual problems, headache, and weight gain.
The aim of the new study was to determine if a cranberry extract might improve lower urinary tract symptoms in men with prostatitis or BPH. During the six-month study, 21 men were given 1,500 mg of cranberry fruit powder per day and asked not to eat other foods high in phenolic compounds (especially those with red/blue pigments like blueberries, cherries, grapes, and cranberries). Another 21 men (the control group) received the same dietary advice, but did not take the cranberry supplement.
Compared with the control group, men symptoms in the cranberry group significantly improved in several areas by the end of the study, including quality of life, rate and amount of urine flow, urinary frequency, urgency, straining, and waking at night to urinate. No adverse effects were reported.
“Although it hasn't been compared to placebo, cranberry extract appears to be a safe and effective treatment to manage symptoms of chronic prostatitis and benign prostatic hyperplasia,” says Dr. Jonathan Goodman, a naturopathic doctor practicing in Bristol, Conn. “Given the side effects of common treatments for these conditions, cranberry offers a compelling alternative. I will recommend cranberry extract in this dose for my patients.”
While the study used a cranberry extract, it certainly can’t hurt to add the bright little berries to your diet, too.
(Br J Nutr 2010;104:1181–9)
Kimberly Beauchamp, ND, received her doctoral degree from Bastyr University, the nation’s premier academic institution for science-based natural medicine. She co-founded South County Naturopaths in Wakefield, RI, where she practiced whole family care with an emphasis on nutritional counseling, herbal medicine, detoxification, and food allergy identification and treatment. Her blog, Eat Happy, helps take the drama out of healthy eating with real food recipes and nutrition news that you can use. Dr. Beauchamp is a regular contributor to Healthnotes Newswire.