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  • ★★★★★

    I stopped packing "just in case" antibiotics

    Went on a ten-day trip to Portugal without Macrobid in my bag for the first time in three years. That alone was worth it. Five months in, zero infections.

    -Carol

    Verified Customer

  • ★★★★★

    The missing half

    Was already taking D-mannose from Amazon. Helped for maybe two months then I got another one. Read the thing about bacteria having two grips and D-mannose only blocking one. Switched to this. Four months clean.

    -Janet

    Verified Customer

  • ★★★★★

    Six prescriptions last year. Zero this year.

    My urologist basically had me on a rotating door of antibiotics. Nitrofurantoin stopped working so she switched me to Bactrim. Started this in January alongside everything else. Haven't needed a refill since.

    -Donna

    Verified Customer

  • ★★★★★

    It started after menopause

    Never had a UTI in my life until 53. Then four in one year. Nobody explained why. Two capsules with breakfast every morning and I finally feel like myself again. Simple as that.

    -Susan

    Verified Customer

  • ★★★★★

    I drink water normally again

    I used to chug water all day because I was terrified that if I didn't flush constantly I'd get another infection. Three months on this and I just drink when I'm thirsty. Sounds small but it gave me my life back.

    -Margaret

    Verified Customer

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★★★★★ (1,243) 2,000+ Happy Customers

Recurring UTI Defense

D-Mannose + Cranberry by Loomi

Blocks Both Bacterial Grips
Backed by 50+ Clinical Trials
Safe for Daily Use
Clinicians' Choice

586 clinicians share this on FrontrowMD without compensation.

100% Vegan · Doctor Approved · FDA Registered Facility
Why It Keeps Coming Back

E. coli — the bacteria behind 80–90% of UTIs — attaches to your bladder wall using two different grips. Most supplements only block one. That means bacteria are still holding on with the grip you're not blocking — and that's all they need to start another infection.

That's why it helped a little — then stopped helping. You weren't doing something wrong. You were just blocking half the problem.

How It Works

Bacteria use tiny hair-like projections called fimbriae to grab onto your bladder wall. They have two types:

  • Type 1 fimbriae — grab mannose on your bladder lining. D-mannose acts as a decoy, so bacteria grab it instead of you and get flushed out.
  • P-fimbriae — grab a completely different receptor. Cranberry's A-type PACs physically block these from attaching.

Two grips. Two blockers. Bacteria can't hold on with either.

How Long Should I Take It?

This is designed as a daily preventive, not a rescue for an active infection. Most women take it every day as part of their routine — the same way you'd take a probiotic or a vitamin.

Both D-mannose and cranberry are safe for long-term daily use with no antibiotic resistance and no known side effects at standard doses. Give it at least 90 days for a clear picture — that's why we offer a 90-day money-back guarantee.

Can I Take It With My Current Medications?

Yes. Neither D-mannose nor cranberry has known interactions at standard doses. Women take it alongside antibiotics, HRT, blood pressure medications, and other daily prescriptions.

D-mannose is a simple sugar that your body doesn't metabolize like glucose — it passes through and is excreted unchanged. No blood sugar impact. No hormonal interference. As always, check with your doctor before adding anything new.

Aren't All Cranberry Supplements The Same?

No. The part that actually blocks bacteria is called A-type PACs — and most cranberry supplements don't tell you how much they contain. Without a standardized PAC dose, you're taking an unknown quantity and hoping for the best.

Our cranberry component delivers a clinically relevant dose of PACs using the DMAC/A2 testing standard — the same method used in the clinical trials that earned cranberry its FDA Qualified Health Claim.

Ingredients

Two ingredients. Each one blocks a different bacterial grip. Nothing else.

Ingredient 1 D-Mannose
D-Mannose Dose 2,000 mg per serving
Ingredient 2 Cranberry Fruit Powder
Cranberry Dose 500 mg per serving
PAC Standardization ≥36 mg A-type PACs (DMAC/A2)
Form Capsules

D-mannose at the dose used in clinical research. Cranberry standardized to deliver the PAC threshold required for the FDA Qualified Health Claim. No fillers, no proprietary blends, no dozen "support" ingredients at trace doses.

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Real women, real results

Diane, 58★★★★★
Blocks Both Grips Daily Prevention

"first time in two years I've gone three months without one"

I was getting a UTI every five to six weeks like clockwork. Tried cranberry pills from Costco for a year, didn't help. Started this in March. It's June and nothing. I actually forgot what it felt like to not dread going to the bathroom.

Patricia, 62★★★★★
No More Antibiotics 100% Natural

"my doctor kept prescribing Macrobid and I kept coming back"

Four rounds of antibiotics last year. The last one barely worked. My daughter found this and I figured what do I have to lose. Ninety days in and I haven't needed a prescription since. I take two capsules with my morning coffee and that's it.

Linda, 55★★★★★
Blocks Both Grips Clinically Tested

"I was taking D-mannose already. This was the missing half."

Been on D-mannose alone for about a year. It helped at first then stopped. When I read that bacteria use two different grips and D-mannose only blocks one, it clicked. Switched to this and haven't had an episode in four months. Wish I'd known sooner.

D-Mannose and Cranberry - how they block both bacterial attachment systems
Why Does It Keep Coming Back?

E. coli — the bacteria behind 80–90% of UTIs — attaches to your bladder wall using two different grips. Most supplements only block one. That means bacteria are still holding on with the grip you're not covering.

D-mannose blocks the first grip. Cranberry's A-type PACs block the second. This is the first formula designed to block both at once.

Blocks both bacterial attachment systems — not just one
Backed by 50+ clinical trials (2023 Cochrane review)
No antibiotic resistance — safe for daily long-term use
D-Mannose + Cranberry Formula
Block Both Grips. Break the Cycle.
Bacteria attach to your bladder wall using two independent gripper systems. D-mannose acts as a decoy for the first. Cranberry's A-type PACs physically block the second. Both dosed at clinically studied levels — cranberry standardized to ≥36 mg PACs using the DMAC/A2 method behind the FDA Qualified Health Claim.*
Dual
Anti-Adhesion
No Antibiotic
Resistance
Safe for
Daily Use
FDA Qualified
Health Claim
Loomi Recurring UTI Defense D-Mannose + Cranberry
50+
Clinical trials on cranberry (2023 Cochrane review)
8,857
Women studied across those trials
2
Bacterial grips blocked (Type 1 + P-fimbriae)
0
Antibiotic resistance risk
Two Grips. Two Blockers.
Complete Coverage.*
The only D-mannose + cranberry formula dosed at clinically studied levels with PACs standardized to the FDA Qualified Health Claim threshold.*
Try risk-free today
90-day money back guarantee

Common Questions

Frequently Asked Questions

Everything women with recurring UTIs want to know before trying dual-action D-mannose + cranberry.

Will this interfere with my HRT or blood pressure meds?

No. D-mannose is a simple sugar that passes through your body unchanged — it doesn't interact with hormone replacement therapy, blood pressure medications, or other prescriptions at standard doses. Cranberry at dietary supplement doses has no known drug interactions. Safe to take alongside your full daily routine. As always, check with your doctor before adding anything new.

How is this different from cranberry juice or cranberry pills?

The part of cranberry that actually blocks bacteria is called A-type PACs. Cranberry juice has almost none — and most cranberry pills don't tell you how much they contain. This product delivers a clinically standardized dose of PACs using the DMAC/A2 testing method, PLUS D-mannose to block the second bacterial grip that cranberry doesn't touch.

Is this a replacement for antibiotics?

No. This is a daily preventive — it blocks bacteria from attaching in the first place. If you have an active UTI, you still need to see your doctor. This product is designed to reduce how often you need antibiotics by stopping infections before they start. Many women take it alongside a prescribed course and then continue daily for prevention afterward.

Will this raise my blood sugar?

No. Even though D-mannose is technically a sugar, your body doesn't metabolize it the way it metabolizes glucose. It's absorbed rapidly and excreted unchanged through your urinary tract. At the standard 2,000mg dose, there is no meaningful impact on blood sugar levels — even for diabetics. Studies have confirmed this repeatedly.

Why did my UTIs start after menopause?

After menopause, declining estrogen thins the urinary lining and reduces the protective bacteria (lactobacilli) that normally keep E. coli in check. The environment becomes more vulnerable — which is why women who never had UTIs before menopause suddenly start getting them repeatedly. This product addresses what happens next: blocking bacteria from attaching to that vulnerable lining.

Can bacteria become resistant to this?

No. Antibiotics kill bacteria, which creates selection pressure for resistant strains. D-mannose and cranberry PACs don't kill anything — they prevent attachment. Bacteria that can't attach get flushed out during urination. There's no survival advantage for resistant strains because nothing is being killed. You can take this daily for years without resistance concerns.

What is your return policy?

90-day money-back guarantee. We recommend at least 90 days of consistent daily use to see the full benefit — and we stand behind that timeline. If you're not satisfied, contact us for a full refund. No questions asked.

D-Mannose and Cranberry for recurring UTI prevention

The Only Formula That Blocks Both Grips

Cranberry has been used for urinary health for centuries. But it wasn't until modern research identified A-type proanthocyanidins — a specific class of polyphenols almost unique to cranberry — that scientists understood why it works. And why it only works halfway.

In 2023, the Cochrane Collaboration reviewed 50 randomized controlled trials involving 8,857 participants and found cranberry products reduced UTI risk by approximately 26%. That evidence was strong enough for the FDA to issue a Qualified Health Claim in 2024 — one of the few supplements to ever receive one.

But cranberry only blocks one of two bacterial attachment systems. D-mannose blocks the other. This formula combines both at clinically studied doses — cranberry standardized to deliver ≥36 mg PACs via the DMAC/A2 method, and D-mannose at 2,000 mg per serving.

"Limited scientific evidence shows that by consuming 500 mg each day of cranberry dietary supplement, healthy women who have had a urinary tract infection (UTI) may reduce their risk of recurrent UTI."
— FDA Qualified Health Claim, 2024

Limited Stock Available

You Were Blocking One Grip. This Blocks Both.

D-mannose at 2,000 mg. Cranberry standardized to ≥36 mg PACs. Two ingredients that each block a different bacterial attachment system — combined in one daily capsule with a 90-day money-back guarantee.

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90-Day Money-Back Guarantee — No Questions Asked
Rated 4.9 / 5  |  Trusted by 2,000+
They Broke the Cycle. You Can Too.
5.0
"First time in two years I've gone three months without one."
I was getting a UTI every five to six weeks like clockwork. Tried cranberry pills from Costco for a year, didn't help. Started this in March. It's June and nothing. I actually forgot what it felt like to not dread going to the bathroom.
Diane S., age 58
PreventionLife Changing
5.0
"My doctor kept prescribing Macrobid and I kept coming back."
Four rounds of antibiotics last year. The last one barely worked. My daughter found this and I figured what do I have to lose. Ninety days in and I haven't needed a prescription since. Two capsules with my morning coffee.
Patricia L., age 62
No More AntibioticsDaily Routine
5.0
"I was taking D-mannose already. This was the missing half."
Been on D-mannose alone for about a year. It helped at first then stopped. When I read that bacteria use two different grips and D-mannose only blocks one, it clicked. Switched to this and haven't had an episode in four months.
Linda K., age 55
Dual CoverageSwitched Over
5.0
"Never had a UTI until menopause. Then four in one year."
Never had a UTI in my life until 53. Then four in one year. Nobody explained why. Two capsules with breakfast every morning and I finally feel like myself again. Simple as that.
Susan M., age 57
Post-MenopauseDaily Prevention
5.0
"I stopped packing emergency antibiotics for vacation."
Went on a ten-day trip to Portugal without Macrobid in my bag for the first time in three years. That alone was worth it. Five months in, zero infections. My husband noticed I stopped talking about it.
Carol D., age 60
Travel ConfidenceLong-Term Use
5.0
"Six prescriptions last year. Zero this year."
My urologist basically had me on a rotating door of antibiotics. Nitrofurantoin stopped working so she switched me to Bactrim. Started this in January alongside everything else. Haven't needed a refill since.
Donna R., age 64
Antibiotic ResistanceUrologist Approved
5.0
"I drink water normally again."
I used to chug water all day because I was terrified that if I didn't flush constantly I'd get another infection. Three months on this and I just drink when I'm thirsty. Sounds small but it gave me my life back.
Margaret H., age 59
Quality of LifeDaily Confidence
5.0
"My pharmacist knew me by name. That's how often I was there."
Seven rounds of antibiotics in eighteen months. My pharmacist knew me by name. Started taking this every morning and I haven't been back for a UTI prescription in over four months. She asked me what changed when I came in for my blood pressure refill.
Barbara J., age 66
Broke the CycleLong-Term Results
5.0
"The 90-day guarantee is why I tried it. Month four is why I stayed."
I've wasted so much money on supplements that promised to help with UTIs. The guarantee is why I tried this one. I'm on month four and I haven't thought about returning it once. This is the only thing that's actually worked.
Joyce W., age 61
Worth The TryGuarantee
5.0
"My daughter bought me this. Smartest thing she's done."
I wouldn't have found this on my own. My daughter read about the two-grip thing and ordered it for me. Three months and counting with no infection. She's getting a very nice Christmas gift this year.
Elaine P., age 63
Family ReferralEasy Routine
3.0
"Works but you have to be patient."
I got another UTI at the six-week mark and almost gave up. But I kept taking it and that was four months ago. No infections since. Just be aware it's not an overnight fix — it takes time to build up the daily prevention.
Nancy T., age 56
Takes TimeStick With It
3.0
"I wish the capsules were smaller."
The product seems to be working — two months in and no infections — but the capsules are on the larger side. I take a lot of pills already at my age and these are harder to swallow than most. Would love a smaller capsule option even if it meant taking more per day.
Phyllis G., age 67
Capsule SizeWorking So Far
3.0
"Good product but I wish they had a 3-month bottle."
The capsules are fine and I haven't had a UTI since starting. But one month supply for this price means I'm reordering constantly. I'd rather buy a three-month bottle and be done with it. That said I keep buying it so clearly it's working.
Catherine A., age 58
Value ConcernReorder Frequency
3.0
"Still had one UTI but my doctor says keep going."
Two months in and I did get one mild UTI. But my doctor said that's still better than my usual pattern of one every four to five weeks. She told me to keep taking it. It's preventing more than it's not, just not 100% yet.
Shirley V., age 60
Reduced FrequencyDoctor Supported
3.0
"Shipping took a while but the product is solid."
Took about eight days to arrive which felt long. But three months in and I've gone from a UTI every six weeks to zero since starting. I set up auto-ship so the timing won't be an issue anymore. Product works, delivery could be faster.
Deborah C., age 55
Shipping SpeedAuto-Ship