In a study of 42 men with LUTS (mean age 63 years), researchers in the Czech Republic randomized 21 men to receive 1500 mg of dried powdered cranberries a day for six months and 21 to receive no cranberry treatment (control group). At baseline, the cranberry and control groups had similar baseline demographics and clinical characters.
At day 180, the cranberry group experienced significant improvements in International Prostate Symptom Score (IPSS), quality of life, and urine flow and other voiding parameters, but the control group did not, according an online report in the British Journal of Nutrition.
The cranberry and control groups had a mean baseline IPSS of 10.10 and 10.86, respectively. At day 180, the mean IPSS declined by 4.48 points in the cranberry group compared with an increase of 1.43 in the control group.