Evaluating products.
How do I choose safe adjunctive products for UTI prevention?
Shelf order follows dose-evidence: PAC-standardized cranberry leads (the meta-analysed prevention at its studied 36 mg), D-mannose is the mechanism-elegant gram-dose adjunct, and the GR-1/RC-14 strain product is the probiotic exception with its trials named. All three are prevention — none treats an active infection, and the prescription boundary is every product's first sentence. The products below are educational examples — not medical recommendations.
Cranberry Extract (36 mg PACs)
by Various (proanthocyanidin-standardized) · Anti-Adhesion Extract
Score
The studied prevention dose in one capsule: 36 mg of proanthocyanidins daily is the anti-adhesion amount shown to reduce recurrent UTIs in meta-analyses of PAC-standardized products — and the dose no glass of juice reliably delivers (a typical juice serving has a fraction of it, with a sugar load attached). Prevention adjunct only — never a treatment for an active infection. Well tolerated; the sugar-free capsule form avoids the juice's glucose. Warfarin users: physician conversation (cranberry's interaction case reports).
Runner-ups
NOW D-Mannose Powder
by NOW Foods · Anti-Adhesion Sugar
Jarrow Formulas Fem-Dophilus (GR-1 / RC-14)
by Jarrow Formulas · Vaginal Microbiome Probiotic