Blog · Safety
FemiPro and Warfarin: Why to Ask Your Clinic First
FemiPro and warfarin is a combination to clear with your prescriber first. The label does not mention warfarin. Cranberry, the second herbal line, has conflicting reports with warfarin, and berberine changes how the body handles many medicines. Keep taking warfarin as directed and ask your clinic before starting any capsule.
Written by the FemiPro label deskUpdated · 5 min read

The short answer01
Is FemiPro safe with warfarin?
No one can call FemiPro safe with warfarin, because it has not been studied with it. The label does not name warfarin. It only tells anyone with a known medical condition to consult a physician before use.
Warfarin sits in a narrow range, where small changes in diet or other products can matter. That is why clinics use regular blood tests to guide the dose. A new capsule is a change worth reporting.
Keep taking warfarin exactly as prescribed, and do not change the dose yourself. Call the clinic that manages it before you start a bottle.
The same caution applies to every new product, from a vitamin to a herbal tea. The point is not that FemiPro is dangerous. The point is that nobody has measured what it does alongside your dose.
The cranberry line02
Does cranberry interact with warfarin?
The evidence is mixed. NCCIH says reports of cranberry affecting warfarin conflict (NCCIH, Cranberry). The USP monograph notes signals mainly at very high intakes, such as large amounts of juice every day (Madden 2021, cranberry safety (stones, warfarin)).
FemiPro lists cranberry extract second. By label order it weighs at most 175 mg a capsule, and at 30% proanthocyanidin it carries at most about 52 mg of PACs. Those are ceilings from our arithmetic, not printed amounts.
A capsule is unlike a daily pitcher of juice. Yet the label gives no exact figure, so the mixed evidence stays a fair reason to ask.
The other lines03
Could berberine in FemiPro affect warfarin?
Berberine is the line to flag. Research shows it alters how the liver handles many drugs, and cyclosporine levels rose 34.5% in one study (Berberine drug interactions review, 2026). The research files here do not name warfarin, so we cannot say it affects it. We also cannot say it does not.
The ceiling for berberine extract is 87.5 mg a capsule, so at most 7 mg of berberine if the 8% means berberine. That is small next to usual reference doses (LiverTox, Berberine), which may lower the chance of an effect, yet it does not remove the question.
| Label line | Blend and place | Most per capsule | Amount used in research | Evidence |
|---|---|---|---|---|
| Mimosa pudica Seed Extract | UTI Herbal Blend, line 1 | at most 350 mg | No human dose established (Muhammad 2016, Mimosa pudica review) | Traditional use and lab data; no human bladder trial |
| Cranberry Extract (Vaccinium macrocarpon) (berry) (std. to 30% proanthocyanidin) | UTI Herbal Blend, line 2 | at most 175 mg | Trials used many juices, tablets and doses; no single PAC dose is set (Cochrane 2023, cranberries for preventing UTIs) (NCCIH, Cranberry) | Moderate: fewer repeat UTIs in women prone to them; not a treatment |
| Bearberry (Arctostaphylos uva-ursi) (leaf) | UTI Herbal Blend, line 3 | at most 116.7 mg | EU traditional use: adult women, for no longer than one week (EMA/HMPC, Uvae ursi folium (bearberry leaf)) (LiverTox, Uva Ursi) | Traditional use only; few modern trials |
| Granular Berberine Hydrochloride Extract 8% (bark/root) | UTI Herbal Blend, line 4 | at most 87.5 mg | Usual herbal dose 250-500 mg two or three times a day (Berberine umbrella review, 2023) (LiverTox, Berberine) | Studied for blood sugar and lipids, not for the bladder |
| Lactobacillus crispatus LCr86 | Probiotic Blend, line 1 | at most 50 mg | Trials of a different strain (CTV-05) used vaginal inserts, not capsules (Cohen et al. 2020 NEJM, Lactin-V and bacterial vaginosis) (Stapleton et al. 2011, L. crispatus and recurrent UTI) | Strain LCr86: no published human trial found |
| Lactobacillus acidophilus LA88 | Probiotic Blend, line 2 | at most 25 mg | Studies dose probiotics in CFU, not milligrams (NCCIH, Probiotics: usefulness and safety) | Strain LA88: no published human trial found |
| Lactobacillus plantarum N13 | Probiotic Blend, line 3 | at most 16.7 mg | Studies dose probiotics in CFU, not milligrams (NCCIH, Probiotics: usefulness and safety) | Strain N13: no published human trial found |
| Lactobacillus gasseri LG08 | Probiotic Blend, line 4 | at most 12.5 mg | Studies dose probiotics in CFU, not milligrams (NCCIH, Probiotics: usefulness and safety) | Strain LG08: no published human trial found |
| Lactobacillus casei LC16 | Probiotic Blend, line 5 | at most 10 mg | Studies dose probiotics in CFU, not milligrams (NCCIH, Probiotics: usefulness and safety) (Cochrane 2015, probiotics for preventing UTIs) | Strain LC16: no published human trial found |

FemiPro: from $49 a bottle30 capsules · 1, 3 or 6 bottles · free US shipping · 60-day money-back guarantee
See packsAt the clinic04
What should you ask your anticoagulant clinic?
Ask three plain questions and bring the Supplement Facts panel.
- Is cranberry extract at these ceilings a concern with my dose?
- Does berberine matter for my other medicines?
- Should my clotting test be repeated sooner if I start?
Tell them the bottle holds a 350 mg herbal blend and a 50 mg probiotic blend per capsule, with no single amounts printed. The clinic may suggest more frequent testing in the first weeks, or advise skipping it altogether.
Ask whether to keep your usual diet steady in the first weeks, so any change in your test result points to one cause. Report any unusual bruising, nosebleeds or dark stools at once. Those need a clinician, not a supplement forum.
Weighing it up05
Is FemiPro worth the extra risk on warfarin?
For many women on warfarin, the sensible answer is to put pelvic floor training and bladder training first. They carry no drug interaction, and they are first-line care for leaks (NIDDK, Incontinence treatment).
No trial shows that FemiPro stops leaks, so the possible gain is small and unproven, while the interaction question is real. If your prescriber agrees, use the 60-day guarantee to test it and report back. The FemiPro ingredients page shows each line in turn.
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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.
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FAQ06
FemiPro and warfarin questions, answered
Does FemiPro thin the blood?
Nothing on the label says it does, and no study of the capsules exists. Cranberry's reported link to warfarin is mixed. If you take a blood thinner, ask your clinic before the first capsule.
Can I take FemiPro with other blood thinners?
The label names none, so ask the prescriber. The cranberry reports concern warfarin; other blood thinners were not covered in our sources, and berberine changes drug handling in general.
Do I need an INR test after starting FemiPro?
That is your clinic's decision. Many clinics test more often after any new product. Tell them the name, the dose and the date you start, and let them set the schedule.
Should I stop warfarin if I want to try FemiPro?
Never. Warfarin protects against clots, and stopping it can be dangerous. Keep taking it as prescribed. If you want to try the capsules, the change to make is a conversation with your clinic.
Is cranberry juice the same as the cranberry in FemiPro?
No. FemiPro lists a cranberry extract standardized to 30% proanthocyanidin, at most 175 mg a capsule. Juice delivers different amounts in a glass. Report both to your clinic.
Who wrote this07
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.
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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.


