Inclusion Criteria:  History of Recurrent Lower Urinary Tract Infection (at least two episodes in the last 6 months or three episodes in the last 12 months). Multiple infections must be spaced a minimum of 2 weeks apart or if less, with a negative urine culture in between. Women who agree to participate and give their informed consent in writing  Exclusion Criteria:  Use of antibiotics or cranberry or other preventive treatment, pharmacological or not, for recurrence of urinary tract infections in the last two weeks. Patient with indwelling catheter or intermittent catheterization. Patients who present: Interstitial Cystitis, Neurogenic Bladder, Diabetes Mellitus, Nephrolithiasis, Cervical-Uterine Cancer diagnosed and treated less than 5 years ago. Use of anticoagulants or contraceptive methods using spermicides or diaphragms. Women consuming probiotics or foods, beverages or supplements containing extracts or parts of the genus Vaccinum sp, including other forms of V. macrocarpon (blueberry), V. myrtillus (European blueberry), V.angustifolium (wild or lowbush blueberry), V. corymbosum ( highbush blueberry) or V. vitis-ideae (mountain blueberry), during the two weeks prior to recruitment. High consumption of fruits rich in phenolic compounds, with special reference to berries.  Women allergic to berries  Pregnant or breastfeeding women.