Effectiveness Rating for Cranberry Extract's Ability to Prevent Urinary Tract Infections

The effectiveness rating is a measure of how well cranberry extract is able to prevent urinary tract infections. The overall rating for this claim is 2.6 out of 3. The research shows the supplement's ability to deliver on this particular claim is warranted. Using Cranberry Extract to prevent urinary tract infections will most likely lead to positive results.

Confidence Rating for Cranberry Extract's Ability to Prevent Urinary Tract Infections

The confidence rating is a mesure of how valid the effectiveness rating is. This rating is based on how many studies are included in the database on this topic.

There are 9 studies in the database on cranberry extract; the confidence rating is 180. A score above 80 means the effectiveness rating for this supplement is reliable. A score under 80 means there is insufficient evidence to ensure a reliable effectiveness rating.


Title of Study
Evaluation of cranberry tablets for the prevention of urinary tract infections in spinal cord injured patients with neurogenic bladder
Cranberry supplementation in the prevention of non-severe lower urinary tract infections: a pilot study
Effect of oral cranberry extract (standardized proanthocyanidin-A) in patients with recurrent UTI by pathogenic E. coli: a randomized placebo-controlled clinical research study
Consumption of a cranberry juice beverage lowered the number of clinical urinary tract infection episodes in women with a recent history of urinary tract infection
Supplementation with high titer cranberry extract (Anthocran®) for the prevention of recurrent urinary tract infections in elderly men suffering from moderate prostatic hyperplasia: a pilot study
Highly standardized cranberry extract supplementation (Anthocran®) as prophylaxis in young healthy subjects with recurrent urinary tract infections
Recurrent urinary tract infection and urinary Escherichia coli in women ingesting cranberry juice daily: a randomized controlled trial
Does ingestion of cranberry juice reduce symptomatic urinary tract infections in older people in hospital? A double-blind, placebo-controlled trial
Cranberry juice fails to prevent recurrent urinary tract infection: results from a randomized placebo-controlled trial