Blog · Evidence
Probiotics for UTI Prevention: What the Cochrane Review Found and Where FemiPro Sits
Probiotics for UTI prevention did not show a significant benefit in a Cochrane review of nine studies and 735 people. FemiPro holds five Lactobacillus strains in a 50 mg blend, with no CFU count printed. No trial of the capsule exists, so its "Microbiome Balance" line stays a claim.
Written by the FemiPro label deskUpdated · 4 min read
The review01
Do probiotics prevent urinary tract infections?
Probiotics did not show a significant reduction in repeat urinary tract infections in the Cochrane review. Across nine studies and 735 people, six studies with 352 people gave a risk ratio of 0.82 against placebo, with a range of 0.60 to 1.12 (Cochrane 2015, probiotics for preventing UTIs).
A range that crosses 1.0 means chance cannot be ruled out. Against antibiotics the ratio was 1.12. The studies were mostly small with a high risk of bias, and the authors say firm conclusions cannot be drawn and effects may be overestimated.
The review also listed adverse effects: diarrhea, nausea, vomiting, constipation and vaginal symptoms. So the picture is open, not negative and not positive.
Why does the result look so weak? Probiotic trials use different strains, doses and routes, and each study tests one mix. Pooling them can blur a real effect, or hide a lack of one. The honest reading is that nobody yet knows which strain, at what dose, helps which woman.
Side by side02
How does cranberry compare with probiotics for UTI prevention?
Cranberry has firmer support than probiotics for preventing repeat UTIs, though both are modest. The Cochrane cranberry review found a risk ratio of 0.70 across 50 trials, while the probiotic review found a result that was not significant (Cochrane 2023, cranberries for preventing UTIs).
The 2025 AUA guideline offers cranberry as an option for women with recurrent infections, and recommends vaginal estrogen for peri- and postmenopausal women (AUA/CUA/SUFU, Recurrent uncomplicated UTI guideline 2025). Its portion we read had no probiotic statement.
| Option | Finding |
|---|---|
| Cranberry products | RR 0.70 across 50 trials; offered in the AUA guideline |
| Probiotics, oral and mixed | RR 0.82, not significant; small studies |
| Vaginal L. crispatus (CTV-05) | 15% vs 27%, not significant; one 100-woman trial |
| Vaginal estrogen | Recommended for peri- and postmenopausal women in the AUA guideline |
The capsule03
What do FemiPro's probiotics add to this picture?
FemiPro's probiotics add five strains and no proof. The label lists L. crispatus LCr86, L. acidophilus LA88, L. plantarum N13, L. gasseri LG08 and L. casei LC16 in a 50 mg blend, with no single weights and no CFU count.
The strains weigh at most 50, 25, 16.7, 12.5 and 10 mg by label order, and 10 mg each on average (21 CFR 101.36, supplement labeling). Nothing ties those strains to a trial.
A fair test of the capsule would need a trial of the capsule itself, with a CFU count, a placebo group and infections counted over months. Neither the label nor the sales page cites one. Until one exists, the probiotic line is a plausible extra, not an established part of UTI prevention.
NIH notes that effects are strain-specific and that researchers often do not know which probiotics help or how much to take (NCCIH, Probiotics: usefulness and safety). So even a positive result for one product would not carry to the others. Read more on the FemiPro probiotic blend page.
FemiPro: from $49 a bottle30 capsules · 1, 3 or 6 bottles · free US shipping · 60-day money-back guarantee
See packsWhen to act04
What UTI signs mean you should see a clinician?
See a clinician for any UTI symptoms: burning when you urinate, frequent urination, urgency, bloody urine or pressure low in the belly. CDC says antibiotics prescribed by a clinician treat these infections, and a supplement is not a stand-in (CDC, UTI basics).
Fever, chills, back or side pain, and nausea or vomiting point to a kidney infection, which is more serious. The check below sorts everyday bladder changes from signs that need care.
Common, and worth a routine visit
- Leaks when you cough, sneeze, laugh or liftOften stress leaks; pelvic-floor training helps many women
- Sudden urges and rushing to the bathroomOften an overactive bladder; bladder training helps
- Waking more than twice a night to peeA marker of overactive bladder; worth raising at a checkup
- Leaks after childbirth or around menopauseCommon, and treatable: it is not just part of aging
See a clinician soon
- Burning or pain when you peeCan mean a urinary tract infection
- Fever, chills, or back or side painCan mean a kidney infection, which is more serious
- Blood in the urinePink, red or cola-colored urine always needs a check
- Peeing eight or more times a dayNIDDK lists it among signs to get checked
Get care nowCannot pass urine or empty your bladder at all? NIDDK says to seek care right away.
Signs from NIDDK (NIDDK, Incontinence causes and when to get care), the CDC (CDC, UTI basics) and Mayo Clinic (Mayo Clinic, Blood in urine). A supplement is not a treatment for any of them, and an infection needs a test, not a guess.
Keep taking prescribed medicine. If you have severe illness or weak immunity, ask a physician before any probiotic, as NIH flags higher risk there. If you have had repeat infections, ask about options with better support, and use the 60-day guarantee as a fair window if you try FemiPro.
U.S. stocking partner for FemiPro
Ready to try FemiPro?
Check your medicines first, then pick a pack. Every pack ships free in the US, six bottles cost the least per bottle, and each order carries the 60-day money-back guarantee.
- Secure checkout
- 60-day money-back guarantee
- Ships from the U.S.
FAQ05
Probiotic and UTI questions, answered
Which probiotic is best for UTI prevention?
Our sources do not name one. The Cochrane review found no significant benefit overall, and NIH says effects are strain-specific. A clinician who knows your history is the right person to ask.
Can I take probiotics while on antibiotics?
The sources used here give no rule. The Cochrane review reported adverse effects including diarrhea. Ask your pharmacist about timing and about any product you plan to add.
Do probiotics help with recurrent UTIs after menopause?
Our sources show vaginal estrogen as the guideline option for peri- and postmenopausal women. They do not show an oral probiotic benefit, so raise it with your clinician.
Who wrote this06
Written and reviewed by
Pages built from the label, the sales page and linked NIH, FDA, FTC and peer-reviewed sources.
Last updated . Read our editorial standards and how we check reviews. This website is run by a U.S. stocking partner for FemiPro, not by the manufacturer or the label's distributor. We earn money when you buy through our order links.
Keep reading
More about FemiPro
U.S. stocking partner for FemiPro
Ready to try FemiPro?
Check your medicines first, then pick a pack. Every pack ships free in the US, six bottles cost the least per bottle, and each order carries the 60-day money-back guarantee.
- Secure checkout
- 60-day money-back guarantee
- Ships from the U.S.