UTI Biome Shield® Compostable Refill Packet
Doctor Formulated. Patent-Pending. Refill your UTI Biome Shield™ canister to stay protected.
- Blocks bacteria introduced during intimacy
- D-mannose helps flush bacteria from the urinary tract
- Defends and restores the microbiome with prebiotics + bioactives
- Powered by PACphenol™ & BioBlocD3™
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Choose Your Plan:
This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted.
We recommend 3-6 months of consistent use to see results.
Supplement Facts
Medical-Grade Actives:
- PACphenol™: 38mg soluble PACs and polyphenols **250 mg per BL-DMAC verification proanthocyanidins (A-type soluble PACs)
- BioBlocD3™: d-mannose, vitamin D3, zinc picolinate
Other Ingredients:
purple carrot capsule, microcrystalline cellulose, magnesium stearate, silicon dioxide Learn more

HOW TO USE
Daily Defense: Take 1 capsule daily to support urinary health and microbiome balance.
Before Sex: Take 2 capsules with water up to 1 hour before sex. Drink a full glass of water after sex. Return to your regular daily dose the following day.
WHAT WE LEAVE OUT
- No gluten, GMOs, dairy eggs, soy or casein
- No hormones or antibiotics
- No artificial additives
- No binders, fillers or anti-caking agents
- No sugar, fats, or oils
SHIPPING, RETURNS + GUARANTEES
We offer free shipping on all orders over $99.
How much do you charge for shipping? We're pleased to offer a flat rate of $6.99 for all other domestic USA shipments.
- Shipments to Alaska, Hawaii, Puerto Rico, and Guam are not eligible for $6.99 shipping at this time and will incur a $60 flat rate shipping fee.
What are your standard shipping times? Customer orders are shipped out within 24 - 48 hours from receipt. Once dispatched, our average anticipated delivery window for packages is 3 - 7 days. Please note that location, weather, and other current events may impact carrier shipping times. Updates and notifications on delays are available on each respective carrier website.
What if I need my order expedited?
- For the destinations listed above, expedited shipping is available at checkout for a flat rate fee of $19.99 USD. For expedited shipments, we use UPS Expedited shipping services.
- UPS Expedited shipping services ship to all 48 contiguous states and select locations in Hawaii and Alaska. This service offers 1-2 day delivery to commercial and residential addresses.
Enjoy our 30-day happiness guarantee. If you're not completely satisfied, contact us within 30 days of delivery for a refund of the price of the supplement.
QUALITY, TESTING & CERTS.
- Quality, Testing & Certifications
- Certified Non-GMO
- Certified Gluten-Free
- Tested for heavy metals & microbiological contaminants
- Made in the USA in FDA-registered, GMP-certified facilities
We adhere to rigorous quality and safety standards, with ongoing testing to ensure purity, potency, and consistency in every batch.
Free shipping on US orders $60+
how it works
Stop a UTI before it starts.
UTI Biome Shield™ is a targeted blend of clinically studied ingredients that block, flush, and rebalance, addressing UTIs at the source.
Block Bad Bacteria
38mg of 100% soluble cranberry PACs bind to P-type and Type
Instant Flush
D-mannose is absorbed within 30 minutes and flushes bacteria already attached to the bladder lining for rapid clearance.
Bladder Defense System
Prebiotic and immune support trio that breaks down biofilm, strengthens bladder tissue, calms inflammation, and feeds beneficial bacteria.
WHAT THE DOCTORS ARE SAYING
Doctor Formulated. Doctor Recommended.
"Only bioavailable PACs prevent UTIs; Good Kitty is setting a new standard in UTI prevention."
"UTI Biome Shield is the most advanced UTI solutions I've encountered in clinical practice."
"UTI Biome Shield is an easy prevention solution for our patients."
REAL RESULTS
From women who'd tried everything else
Verified customer reviews of UTI Biome Shield.
Read all reviewsI had been on prophylactic antibiotics for almost two years before my doctor suggested I try this. Six months in and not a single UTI.
I've tried every cranberry pill on the market. This is the first one that actually feels different and my recurring issues finally stopped.
My urogynecologist recommended it alongside my existing care plan. Easy to take, no weird side effects, and I feel like I finally have control.
WHY GOOD KITTY
UTI prevention only works when every pathway is covered
Most supplements rely on one mechanism. This is a complete protocol.
| Compare | OUR FORMULA UTI Biome Shield™ | TYPICAL APPROACH Others |
|---|---|---|
| Cranberry PACs (anti-adhesion) |
38mg DMAC-verified, solubleBlocks E. coli from attaching at
the clinical dose |
Insoluble PACsinsoluble packs with negligible
anti-adhesion activity AAA* |
| D-mannose (flush mechanism) |
500mg targeted doseBinds to bacteria and carries them out with urination
|
1 pill, 500mg (d-mannose only)Can bind bacteria, but lacks support from other pathways
|
| Bladder Wall Support (urothelial integrity) |
Vitamin D3Strengthens the bladder lining to reduce vulnerability
|
NoneNo support for bladder wall resilience
|
| Immune Activation |
ZincSupports macrophages that clear bacteria
|
NoneNo immune support
|
| Biofilm Disruption |
PolyphenolsBreak down biofilms where bacteria hide
|
Limited or isolated extractsInconsistent or incomplete activity
|
| Complete Pathway Coverage |
Multi-targeted pathwaysAnti-adhesion, disrupts biofilm, strengthens microbiome & bladder wall, and flushes bacterial activity
|
1 pathwayAnti-adhesion or flush only, never both
|
| Dosing Simplicity |
1 capsule daily, 2 before sexDesigned for daily prevention + pre-intimacy use
|
2-4 pills or powder scoopsHigher volume, inconsistent dosing
|
| Formulation Integrity |
Full-spectrum, no fillersDesigned to work as a system
|
Often fragmented or single-ingredientIngredients added without coordination
|
Most UTI supplements address one step.
UTI Biome Shield™ covers the full cycle.
Here's what it would actually cost to build your own UTI Biome Shield™
We did the math. If you tried to source the exact patented ingredients Good Kitty uses, at the same clinical doses.
You'd be taking 10+ capsules a day
Clinical doses of cranberry PAC, d-mannose, D3, zinc, and polyphenols add up to a fistful of pills across multiple bottles. Biome Shield delivers all five in two small capsules a day.
Clinical-grade ingredients are hard to source
DMAC-verified cranberry extract, pharmaceutical-grade d-mannose, and lichen-derived D3 aren't on your local shelf. Biome Shield uses the exact versions studied in the research.
Unpatented, untested combinations are less effective
A stack of loose supplements isn't the same as a physician-formulated protocol. Our patent-pending PACphenol and BioBlocD3 complexes are built to work together.
the hard way
Cost to source actives separately
- 10+ capsules daily across 5 bottles
- 5 reorders, 5 shipping fees
All 5 actives, one daily protocol
- One Capsule. Doctor Formulated.
- Subscribe & Save 15% + Free Shipping
Continuous Protection
Your monthly routine, simplified.
- 1 capsule daily or before intimacy
- Flexible delivery (1, 2, 3 months)
- Pause or cancel anytime
- No guesswork, no reordering stress
I used to get UTIs chronically and since starting this supplement I haven’t had one ! The pill jar and travel case are so cute and convenient too a great touch .
Compostable Refill Packets
UTI Biome Shield™ FAQs
UTI Biome Shield™ is designed for anyone who experiences recurrent UTIs or wants to proactively support their urinary tract health.
If you currently have a UTI, please consult with your healthcare provider for appropriate treatment. UTI Biome Shield™ is designed for prevention and maintenance.
Yes, UTI Biome Shield™ can be taken alongside antibiotics. In fact, it may help support your microbiome during and after antibiotic treatment.
No, UTI Biome Shield™ is a dietary supplement and does not require a prescription.
While UTI Biome Shield™ significantly reduces the risk of UTIs, it's not a guarantee. If you do get a UTI, consult your healthcare provider.
UTI Biome Shield™ contains clinically-studied ingredients that work through multiple mechanisms, not just the single pathway that cranberry targets.
Most people begin to notice benefits within 2-4 weeks of consistent daily use.
UTI Biome Shield™ is generally well-tolerated. Some people may experience mild digestive changes as their microbiome adjusts.













Stories from women and UTI sufferers like you.
"Good Kitty is amazing! I am so grateful for this product. It helped clear my UTI and gave me so much relief."
Shauna S."Something that actually works. I've struggled with recurrent UTIs for years."
ALLY T."I suffer from chronic UTIs and Good Kitty has stopped them! They come with a pretty container that you can leave on your bathroom counter and they really work!"
Jennifer M.