4.8 (2,000+ cat owners)

Protect your cat from plaque build-up and costly vet bills with Sepili Mouth

Title

Vet-Recommended Formula

No Kelp or Iodine

Fussy Eater Approved

Fights plaque & bad breath

Mixes Into Any Food (Wet, Dry, Raw)

Almost Sold Out: Flying Off the Shelves During Our Limited-Time Sale!

Title

↻ Refills Delivered Every 30 Days | ⊘ Pause or Cancel Anytime

90-Day Guarantee   /    Fast Delivery

Try It Risk-Free for 90 Days

Love it or send it back within 90 days. Covered by our 90-Day Satisfaction Guarantee.

  • Authenticity Notice

    Sepili Mouth is sold exclusively at Sepili Store . We have not authorised any seller on Amazon or any other marketplace, and we cannot vouch for products sold anywhere else.

Feeding & Dosage Guide

Product Description

Sepili Mouth is a daily dental powder for cats, made to be sprinkled straight onto their food — far easier to stick with than brushing, dental chews or any other messy routine. It works away quietly as part of your cat's daily feed, helping to cut down plaque build-up, freshen bad breath and keep the mouth cleaner and healthier over time. If you're worried about gingivitis, hefty vet bills for a dental, or the stress of putting your cat under general anaesthetic, Sepili Mouth is a simple, low-stress way to head off bigger problems before they ever start.

Delivery Policy

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Processing Time:
Orders are processed within 1–3 working days.


Delivery Times:


Ireland & UK: 7–9 working days


Rest of Europe: 7–10 working days


US & Canada: 7–10 working days


Rest of World: 7–10 working days


Delivery Costs:
Delivery is calculated at checkout based on your location and the delivery method you choose.


Order Tracking:
Once your order is dispatched, we'll email you a tracking number.


Customs and Duties:
Orders shipped outside the EU may be subject to customs duties and taxes, which are the responsibility of the customer.


Delivery times can vary with high demand, customs checks or other factors outside our control. Thanks for your patience.

90-Day Money-Back Guarantee

Here is the text extracted from the image:


Try it risk-free for 90 days.


We're so confident Sepili Mouth will help towards cleaner teeth, fresher breath and an easier daily dental routine that we back it with a 90-day, no-questions-asked money-back guarantee.


If you don't see a clear difference in your cat's mouth — less build-up, better breath, or simply a routine you can actually keep up — send it back for a full refund.


No hoops to jump through. No hassle. Just a straight promise: looking after your cat's health should cost you nothing to try.

Here's what cat owners are saying...

  • Bernie Doyle

    3d ago

My biggest worry was whether I'd get her to eat it at all. She's unbelievably fussy and has turned her nose up at medication, supplements, dental treats, even a new food bowl for no reason I could see. So I was fully expecting another waste of money. I started with a tiny bit mixed through her wet food just to test it, and she polished off the lot without so much as a pause. That on its own shocked me. I built up gradually to the full scoop and she never seemed to notice it was there. After about a month her breath was noticeably better and the build-up on her teeth didn't look as dark to me. For anyone with a fussy cat, that was the real win. I'd more or less given up on keeping anything going for her teeth, and this is the first thing that's actually been easy to stick with.

  • Sandra Kavanagh

    2 weeks ago

I was very sceptical at the start because, honestly, it sounded far too simple. A scoop of powder into the food didn’t seem like it could make any real difference when the vet charges hundreds of euro for a dental and makes the whole thing sound so serious. I wasn’t expecting miracles, but I said I’d give it a month before making up my mind. The breath was what caught me out. That was the first thing I noticed, and it happened quicker than I expected. Then over the next few weeks I could see that the darker buildup along the gumline wasn’t getting any worse the way it had been. I’m not saying it replaces everything the vet does, but for day-to-day upkeep it has been far more use than I ever thought it would be. It made me realise I’d been ignoring the problem mainly because I didn’t think there was a realistic option at home.

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  • Rachel Dunne

    5 days ago

I nearly scrolled past this because my cat is only four, eats grand and still seems perfectly happy in himself. I'd always assumed dental trouble was an older cat thing, not something for a lad who still tears around the house like a kitten. What stopped me was reading that cats can have serious buildup and sore gums long before they show any obvious pain. I had a proper look at his back teeth and spotted a yellowy line along the gumline I'd never once noticed. I started mixing the powder into his wet food every morning, and within a few weeks that sour smell off his breath — the one I'd gotten used to — was gone. The buildup on the back teeth is far lighter now too. My one regret is thinking “ah sure he's grand” meant there was nothing going on.

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Limited Time Offer

How Does Sepili Mouth Work?

One serving sprinkled over your cat’s food. Wet or dry. That’s it. From there, Sepili

Mouth works through your cat’s saliva 24/7, coating the mouth, fighting plaque 

build-up and helping keep their teeth and gums healthy.

  • DAY 7

    Fresher Breath

  • Zinc neutralises the sulphur compounds behind bad breath.
  • Prebiotics and probiotics work together to crowd out odour-causing bacteria.
  • First sign: fresher breath when your cat comes in close.
  • DAY 45

    Visible Changes

  • Zeolite has been breaking up the sticky biofilm that plaque needs to form.
  • Cranberry has been making it harder for plaque-causing bacteria to cling on, day after day.
  • The result: less build-up and cleaner-looking teeth.
  • DAY 90

    Full Impact

  • All 9 ingredients have had time to work together, day after day.
  • Plaque has had fewer chances to cling on, build up and harden.
  • Cleaner teeth. Fresher breath. Healthier-looking gums.

Plaque builds up over time. Beating it takes consistency. Daily use is what counts.

9 Active Ingredients. Every One Has A Job.

Clinoptilolite (Zeolite)

Breaks up the sticky biofilm that plaque needs to form, so build-up finds it far harder to cling to your teeth.

Probiotic Blend – 6 Strains

Friendly bacteria that crowd out the plaque-causing kind. Stops the bad ones taking over.

Cranberry Powder

Makes it harder for plaque-causing bacteria to cling to teeth. Stops buildup where it starts.

Dandelion Root

A root packed with natural antioxidants. Extra defence against everyday cellular stress.

FOS / Prebiotic Fibre

Fuel for the good bacteria. Keeps your probiotic blend fed and ready to work.

Yucca Schidigera

Slows the enzymes that can weaken gum tissue. Keeps the foundation around your teeth strong.

Zinc Ascorbate

Plaque bacteria can't stand zinc. It goes after the bacteria and neutralises the sulphur compounds behind bad breath.

Vitamin C

A building block for collagen — the stuff strong, resilient gums are made of.

Taurine 

Works with zinc to keep gum tissue strong. An essential amino acid every cat needs.

Third-Party Tested  .  No Kelp or Iodine  .  NSF GMP Verified Facility  .  Made For Cats Only

Why Choose Sepili Mouth

Everything your cat needs. None of the stuff they don’t.

Sepili
Mouth
Ordinary
Powders
No Kelp or Iodine
✕
✓
Made Just for Cats
✓
✕
Grand for Fussy Cats
✓
✕
Independently Lab Tested
✓
✕

Frequently Asked Questions

Will my fussy cat actually eat it?

Most cats haven't a clue it's there. Just sprinkle one small scoop over their wet food and give it a stir. Thousands of cat owners — including plenty with desperately fussy eaters — say their cat tucks in without a second thought.

How soon will I notice a difference?

Most owners notice fresher breath inside the first 2 weeks. Visible plaque reduction takes longer — usually 8 to 12 weeks of using it every day. It's no overnight fix. But it's real, and it builds day after day.

My cat already has plaque built up is it too late?

Sepili Mouth is made for daily upkeep at any age and helps cut down new plaque build-up as part of your cat's routine. If your cat already has heavy tartar, red or bleeding gums, drooling, or signs of mouth pain, go to your vet. Existing dental disease needs proper veterinary care — Sepili Mouth is not a treatment.

How do I give it to my cat?

One small scoop over their food, once a day. That's it. Mix it through wet food for the best results. They eat. It works. Job done.

What if it doesn't work for my cat?

Try it for 90 days, completely risk free. If you don't see a difference — fresher breath, cleaner teeth, a happier cat — we'll refund you in full. No hoops to jump through. No hassle. No questions asked. You've nothing to lose and a healthier cat to gain.

Is Sepili Mouth safe? Any side effects I should know about?

Sepili Mouth is made for daily use and most cats take to it without any bother. Just follow the directions on the label. If your cat has a health condition, is on medication, or is pregnant or nursing, have a word with your vet first. Stop use and contact your vet if you notice any reaction.

Sepili Mouth For Cats

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