The seller’s explanation
According to the sales page, bladder leaks and sudden urges are linked to an imbalance in the urinary microbiome, the bacteria living in the urinary tract. FemiCore’s “compounds that repopulate the urinary microbiome with good bacteria” are supposed to restore that balance, and the herbal ingredients are said to “eliminate the bad bacteria”. The result, the page implies, is fewer leaks and better control.
That story has three links. We look at each one in turn.
Link 1: Does the bladder have a microbiome? (Yes, established)
For decades, healthy urine was assumed to be sterile, because standard lab cultures usually grew nothing. That changed with genetic sequencing. In a 2012 study in the Journal of Clinical Microbiology, Wolfe and colleagues collected urine directly from women’s bladders using a catheter or a needle through the abdominal wall, avoiding contamination from the skin. Sequencing found bacterial DNA in most samples, including many that were “culture-negative”. The authors concluded that “uncultivated bacteria are clearly present in the bladders of some women.”
This finding is solid and has been repeated by other research groups. Lactobacilli are among the bacteria often found. Our article what is the urinary microbiome? explains the science in more depth.
Link 2: Is an “imbalanced” microbiome linked to bladder symptoms? (Plausible, still being studied)
Researchers are studying whether women with urgency incontinence, overactive bladder or recurrent infections have different bladder bacteria from women without symptoms. Some differences have been reported, but cause and effect is not settled: a different microbiome could be a cause, a consequence, or simply a coincidence. Even the Wolfe study noted that it was unclear whether the detected bacteria were alive.
It is also worth knowing that the most common type of leak in women, stress incontinence (leaking when you cough, sneeze or jump), is mainly about pelvic floor muscle and support, not bacteria. That is why the NIDDK recommends pelvic floor (Kegel) exercises as a core treatment.
Thinking of trying FemiCore?
Check the seller’s current price and read the 60-day refund terms before you order. Talk to your doctor first if you take medication.
Affiliate link. Opens the seller’s official order page.Link 3: Can FemiCore change the bladder microbiome? (Not shown)
This is where the evidence runs out. To support the seller’s story, we would need studies showing that swallowing FemiCore’s probiotics changes bladder or vaginal bacteria, and that this change improves symptoms. We found none.
There is some related evidence:
- L. crispatus by the vaginal route. In the Lactin-V trial, a L. crispatus vaginal suppository was tested in 100 women with recurrent UTIs. Recurrence was 15% with the probiotic and 27% with placebo, which was not statistically significant overall; women who stayed highly colonized had much lower risk. FemiCore is swallowed, not inserted, so this result cannot be transferred directly.
- Probiotics for UTI generally. NCCIH summarizes a 2015 review of nine studies (735 people) that “did not find evidence of a beneficial effect” of probiotics for preventing UTIs.
How the herbal ingredients are supposed to fit in
| Ingredient | Proposed role | What the evidence shows |
|---|---|---|
| Cranberry (30% PACs) | Proanthocyanidins may stop some bacteria from sticking to the urinary tract wall | Cochrane (2023): probably reduces repeat UTIs in women with recurrent UTIs; not a treatment for active infection |
| Bearberry leaf | Arbutin is converted to compounds with antibacterial activity in urine | Traditional use for mild urinary complaints; EMA limits use to one week |
| Berberine | Antimicrobial activity in lab studies | Human research mostly on blood sugar and lipids |
| Mimosa pudica seed | Traditional herb; lab studies report many activities including diuretic | No human bladder trials found |
Notice that most of these mechanisms relate to infection risk, not to leaks or urgency. That is an important gap: the product is marketed for bladder control, but its best-supported ingredient (cranberry) has evidence for recurrent UTIs, a different problem.
Dose matters, and we cannot see it
Even a plausible mechanism needs enough of the ingredient. FemiCore’s four herbs share 350 mg and its five probiotics share 50 mg, with no individual amounts or CFU counts. See our ingredients hub for the dose comparisons we could make.
Our summary of the mechanism
- Bladder bacteria exist: established.
- Microbiome differences may relate to some bladder problems: plausible, under study.
- FemiCore changes your bladder microbiome: not shown.
- That change reduces leaks or urgency: not shown.
- Cranberry may lower the risk of repeat infections in women with recurrent UTIs: moderate evidence, dose in FemiCore unknown.
If bladder control is your main concern, the approaches with the strongest evidence are pelvic floor training, bladder training and lifestyle changes. Read daily habits for bladder control, and see a clinician if symptoms bother you.
Frequently asked questions
Is the urinary microbiome real?
Yes. Sequencing studies, including Wolfe et al. 2012, found bacteria in the bladders of many women whose standard urine cultures were negative.
Does FemiCore repopulate the bladder with good bacteria?
That has not been shown. We found no study measuring the bladder or vaginal microbiome before and after taking FemiCore.
Can FemiCore stop stress incontinence?
Stress incontinence mainly involves pelvic floor muscles and support, so a microbiome-based supplement is unlikely to address its main cause. Pelvic floor exercises are a first-line approach.
How long does FemiCore take to work?
There are no data on FemiCore itself. Any review of results should happen within the 60-day refund window.
Ready to compare packages?
Order only through the seller’s checkout so your purchase is covered by the 60-day refund policy.
Affiliate link. Opens the seller’s official order page.Sources
- FemiCore seller page (getfemicore.com)
- Wolfe AJ et al. Evidence of uncultivated bacteria in the adult female bladder. J Clin Microbiol. 2012;50(4):1376-1383
- Stapleton AE et al. Randomized, placebo-controlled phase 2 trial of a Lactobacillus crispatus probiotic given intravaginally for prevention of recurrent UTI. Clin Infect Dis. 2011;52(10):1212-1217
- NCCIH: Probiotics – what you need to know
- Cochrane: Cranberries for preventing urinary tract infections (2023)
- European Medicines Agency: Community herbal monograph on Arctostaphylos uva-ursi leaf (superseded revision 1)
- Berberine and health outcomes: an umbrella review. Phytother Res. 2023;37(5):2051-2066
- Sanaye MM, Joglekar CS, Pagare NP. Mimosa – a brief overview. J Pharmacogn Phytochem. 2015;4(2):182-187
- NIDDK: Treatment for bladder control problems
Keep learning
*These statements have not been evaluated by the Food and Drug Administration. FemiCore is not intended to diagnose, treat, cure or prevent any disease. Information on this page is for education only. If you have bladder symptoms such as pain, blood in the urine, fever or sudden changes, see a health care professional.