Veterinarian
DevelopedThird-party
Tested90 days
Guarantee
What you see often starts deeper.
A large share of a dog's natural defenses sits in the gut. What happens there shows up across the whole body — skin, energy, sleep and digestion.
Plenty of quick fixes work on the surface: a shampoo, a chew, a spray. They quiet the signals for a while, but the cause is somewhere else.
Most persistent symptoms trace back to a gut that has fallen out of balance. Harsh dewormers deal with adult worms and stop there — they do not rebuild the gut.
Ventra® does both: cleanse at any life stage, then rebuild with postbiotics. Support the gut and you support everything attached to it.
- Restores the protective barrier
- Works with your dog's body, not against it
- 100% natural, no known side effects
Works at the source, not on the surface
Ventra® starts in the gut with botanicals and a postbiotic blend — liquid, so the active ingredients can do their work.
Less scratching and paw licking
Most owners notice a difference within 2 to 3 weeks.
Gut support, at the source
Botanicals plus a postbiotic blend, where it makes the difference.
Liquid, for absorption
Built to reach the gut directly, unlike most chews.
What veterinarians say about it
"I aim for the best care for the dogs I see — and I have seen this work. That is why I recommend it to my clients."
The course runs in phases
The most common mistake is stopping too early because things "already seem better."
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Days 1–7
The cleanse begins
The botanicals go to work and break down the biofilm. On the outside, little has changed yet.
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Weeks 2–3
Less scratching
This is where most owners notice the first difference: calmer nights, less scooting and less paw licking.
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Weeks 3–8
The gut rebuilds
The postbiotics restore the gut flora. From here, a lower dose keeps the load down.
This is what gut barrier leak looks like
Ventra® is for dogs with one or more of these symptoms.
- Scooting along the floor
- Obsessive paw licking
- Eating grass like it is a meal
- Head shaking and yeasty ears
- Loose or inconsistent stool
- Tear stains around the eyes
- Restless nights and pacing
- Low energy and a dull coat
Do the symptoms keep coming back despite treatment? Then the gut barrier is likely damaged, and you are treating the problem at the surface instead of at the source.
Clinically studied ingredients, for real results
Eleven active ingredients that reinforce each other — the botanicals clear out, the rest keep inflammation quiet while that happens.
Black walnut hull 120 mg
- Key function
- Makes the gut inhospitable
- What is it?
A traditional botanical that makes the gut less appealing to uninvited guests, without damaging the gut wall.
- The science
Black walnut hull contains juglone and tannins. Herbal practice has used it for generations to change the gut environment. We dose it low enough for daily use.
Wormwood root 100 mg
- Key function
- The engine of the cleanse
- What is it?
The classic cleansing herb, standardized to no more than 0.85% thujone so it stays gentle enough for daily use.
- The science
Artemisia absinthium is the best-documented cleansing herb there is. The thujone limit is the difference between a cleanse you can keep up for 21 days and one you cannot.
Oregon grape root 90 mg
- Key function
- Brings the gut flora into balance
- What is it?
Berberine-rich root with natural cleansing properties that help keep the gut flora in balance.
- The science
Berberine is one of the most studied plant compounds for the gut environment. It works broadly and gently at the same time.
Clove 60 mg
- Key function
- Targets eggs and larvae
- What is it?
Contains eugenol, used traditionally to address the egg and larval stage — the stage most products skip.
- The science
Most cleanses only go after the adults. Without the egg stage the cycle starts over within weeks. That is why clove is in here.
Pumpkin seed 150 mg
- Key function
- Supports digestion
- What is it?
Rich in cucurbitacin and fiber — helps create a gut environment parasites struggle to hold on in, and keeps digestion moving.
- The science
Cucurbitacin is the active compound; the fiber does the second half of the work by keeping things moving through.
Ginger root 80 mg
- Key function
- Settles the stomach
- What is it?
Settles the stomach and supports healthy digestion and gut motility.
- The science
Ginger is the most researched herb there is for nausea. During a cleanse that is not a side note — it is what separates finishing from stopping.
Fennel seed 70 mg
- Key function
- For gas and a bloated belly
- What is it?
Eases gas and bloating and supports comfortable, regular digestion.
- The science
Anethole relaxes the smooth muscle in the digestive tract. It is why fennel is in almost every traditional digestive tea.
Marshmallow root 90 mg
- Key function
- Soothes the gut wall
- What is it?
A soothing mucilage that coats and calms the lining of the digestive tract during the cleanse.
- The science
Mucilage forms a physical layer over irritated tissue. That is exactly what a gut needs when it has been working for 21 days.
Goldenrod 60 mg
- Key function
- Supports elimination
- What is it?
Supports the body's natural elimination pathways while the cleanse runs.
- The science
What comes loose still has to leave. Goldenrod supports the kidneys through that stretch.
Olive leaf 80 mg
- Key function
- Natural immune support
- What is it?
Olive leaf offers natural antimicrobial and immune support.
- The science
Oleuropein is the active compound. It supports the defenses broadly, which is exactly what you want during a cleanse.
Postbiotic blend 200 mg
- Key function
- Rebuilds the gut flora
- What is it?
Four beneficial strains, delivered as postbiotics — the stable, active compounds that restore and balance healthy gut flora after the cleanse.
- The science
Postbiotics are more stable than probiotics: they do not have to survive the stomach alive. Cleansing without rebuilding afterward leaves the gut empty — this is the half most products leave out.
What's in each dose
Per 2 ml daily dose
Full formula — no hidden blends.
| Nutrient | Per serving |
|---|---|
| Postbiotic blend (4 strains) | 200 mg |
| Pumpkin seed | 150 mg |
| Black walnut hull | 120 mg |
| Wormwood root (max. 0.85% thujone) | 100 mg |
| Oregon grape root | 90 mg |
| Marshmallow root | 90 mg |
| Ginger root | 80 mg |
| Olive leaf | 80 mg |
| Fennel seed | 70 mg |
| Clove | 60 mg |
| Goldenrod | 60 mg |
| Duck flavor (natural) | q.s. |
Just as important: what we leave out
No fillers, no sugar, no artificial colors or flavors.
- No harsh chemicals
- No fillers
- No artificial flavors
- No corn, wheat or soy
- No sugar
- No GMOs
- No lactose
- No gluten
Why one ingredient is not enough
Most products target one thing. Ventra® combines botanicals, a postbiotic and direct absorption — at the source.
Ventra® Gut Cleanse
Other dewormers and chews
What dog owners report back
- 96%
- see results within two weeks
- 1284+
- dogs assessed by our team
- 90days
- money-back guarantee — the longest in the category
Based on our own customer research. Results vary by dog.
What dog owners say
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Ashley D.Verified buyer
my little dog was constantly biting at her paws, i had tried everything: creams, socks, the cone. the vet gave me nothing. my sister gives it to her dog so i started trying it too and the paws have healed, she does not lick anymore. finally
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Brittany S.Verified buyer
i was spending $400 a month on meds that did not even work. this costs $25 and it REALLY works. it drives me crazy that i did not find it sooner 🤬
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Carrie B.Verified buyer
we have been fighting this for 2 years… itchy paws, constant licking, sleepless nights and that awful musty smell. the vet gave cortisone, Cytopoint, ear cleaner. i was skeptical but wanted to try it anyway. after a week you could already see it in her coat and last night she did not scratch once, first time in months 🙏
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Mark T.Verified buyer
18 days in and i see progress in both my dogs. when i pet them along the back they do not immediately start kicking with a back leg anymore 😅 hope it keeps going. good start
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Robert L.Verified buyer
10 days in, no huge changes yet but i can see she is a lot less irritated. i will give it more time, i read you need about 3 weeks
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Danielle P.Verified buyer
skeptical but desperate. tried the drops and after two weeks she was licking her paws way less. we are in week four now and she barely does it at all
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Linda V.Verified buyer
bought it as a christmas gift for my little dog who was always scratching. best gift i could have given him honestly. the itching is way down and he finally sleeps through the whole night, should have found it sooner
Frequently asked questions
What signs suggest my dog needs a cleanse?
Most of the signs are easy to miss because they look like everyday things: scooting along the floor, obsessive paw licking, itchy or flaky skin, loose stool or the occasional bout of vomiting, a dull coat, low energy, or restless nights and pacing at three in the morning.
You do not have to see worms. Light, subclinical infestations are common, and a standard stool test misses a share of the cases.
How is this different from a chemical de-wormer?
Harsh de-wormers go after adult worms and stop there. They do not repair the gut that let the infestation take hold, and they can be hard on the body.
Ventra® is 100% natural: botanicals support the body at every life stage — eggs, larvae and adults — and a postbiotic blend rebuilds the gut flora afterward. Gentle enough for daily use.
Will I see visible worms?
Sometimes, often not. With a light infestation most of it stays invisible. Go by what you can see: less scooting, less licking, firmer stool and calmer nights.
My dog tested negative. Is it still worth it?
A negative result rules out little — a stool test is a snapshot and misses a share of the light infestations. If the signs are there and keep coming back, a gentle cleanse is a reasonable step.
Talk to your veterinarian if your dog is on medication, pregnant or nursing.
How soon will I see a difference?
Most owners notice a difference within 2 to 3 weeks. The 21-day cleanse lays the groundwork, and a lower dose keeps it there.
Is it safe for every dog?
Yes, for all breeds and ages from 12 weeks. The wormwood is standardized to no more than 0.85% thujone, which is what makes it suitable for daily use.
Talk to your veterinarian if your dog is on medication, pregnant or nursing.
How fast will my order arrive?
Order by 3 PM ET on a business day and it ships the same day. Delivery is typically 3 to 7 business days.
What does shipping cost?
Free on orders over $35. Below that, shipping is $7.90.
Can I track my package?
Yes. You get a tracking number as soon as the carrier picks the package up.
What if it does not work for my dog?
You get your money back, up to 90 days after purchase — even if the bottle is empty. One email is enough, no fine print.
How does the subscription work?
You choose how often it ships and you can pause or cancel at any time. No commitment, no notice period.
How can I pay?
Visa, Mastercard, Amex, Discover, PayPal, Apple Pay, Google Pay and Shop Pay. All payments run encrypted through Shopify Payments.
Notice nothing? Money back.
Try Ventra® for 90 days. Don't see a difference? You get your money back on your first order — even if the bottle is empty.
No fine print. One email is enough.
Happy dogs, calm owners
Give your dog's skin the building blocks to repair itself — and give yourself a night without scratching.
90-day money-back guarantee · Free shipping over $35
