Burdock root
A traditional bitter root. The producer positions it for liver and kidney support and for settling the stomach.
Dog supplement review · Updated September 16, 2026
UltraK9 Pro Review 2026: What’s Really Inside These Dog Drops
My verdict in one line: the ingredient list is genuinely good and the guarantee is real — but read the bottle, not the sales story, because the label promises far less than the pitch does, and the label is the part I’d actually buy it for.
4.2
/5
Jenny Johnson’s score
By Jenny Johnson
Home & pet product reviewer, Vitherma
Go to Official UltraK9 Pro Website
60-day money-back guarantee · free shipping in the US
This link takes you to the official UltraK9 Pro store. By purchasing through it, you support my work at no extra cost to you.
60-day money-back guaranteeRefunds handled by the retailer, BuyGoods
Ten named ingredientsRoots, adaptogens, collagen and bone broth
Made in the USAGMP-certified, FDA-registered facility
Free US shipping5–7 working days; $15.95 international
What is UltraK9 Pro?
UltraK9 Pro is a liquid food supplement for dogs. You squeeze a dropper of it over your dog’s normal meal — wet food, dry kibble, home-cooked, it doesn’t matter — and the bottle’s own label claims three things: it modulates healthy weight and metabolism, maintains a lustrous coat and healthy skin, and supports strong joints and flexibility.
I want to start with that label, because it’s the most useful thing on the entire product and almost nobody reads it. The sales page for UltraK9 Pro is loud. It talks about a “wolf switch”, about turning your dog back into the fierce animal he is deep inside, about adding years to his life. The bottle sitting in front of you says something much calmer: modulates, maintains, supports. Three verbs that any honest supplement can stand behind.
When I review something like this, I judge it against the quieter claim, not the louder one. A liquid you pour on kibble is not going to reverse a diagnosed illness, and no supplement sold online should be talked about that way. What it can plausibly do is add nutrients that a bag of dry food doesn’t have much of — collagen, bone broth, turmeric, MCT oil — in a form that a dog will actually eat.
The formula is what the producer calls a “proprietary primal nutrient blend”: a mix of plant roots, adaptogens and animal-derived proteins. It’s made in the USA, and the producer states the facility is GMP-certified and FDA-registered. The retailer of record is BuyGoods, which matters mostly because that’s who processes a refund if you want one.
One practical detail that makes a real difference with fussy dogs: it’s flavoured like chicken bone broth. That’s not a marketing line, it’s the base of the formula. Anyone who has ever tried to hide a tablet inside a piece of cheese for a dog who then eats the cheese and spits out the tablet will understand why a broth-flavoured liquid is a smarter delivery format than a pill.
The label’s three claims, in the producer’s own words: modulates healthy weight and metabolism, maintains lustrous coat and healthy skin, supports strong joints and flexibility.
The facts the producer publishes
| Format | Liquid, glass dropper bottle, added to food |
|---|---|
| Flavour | Chicken bone broth |
| Blend | Proprietary “primal nutrient” blend, ten named ingredients |
| Label claims | Healthy weight & metabolism, coat & skin, joints & flexibility |
| Manufacturing | Made in the USA, GMP-certified, FDA-registered facility, non-GMO |
| Stimulants | None, per the producer |
| Guarantee | 60 days, full refund, through BuyGoods support |
| Shipping | Free in the US (5–7 working days); $15.95 to Canada, UK & Ireland, Australia & New Zealand (10–15 working days) |
What’s actually inside UltraK9 Pro?
Ten ingredients: burdock root, ashwagandha, ginseng, astragalus root, dandelion root, turmeric, MCT oil, horsetail, bovine collagen and chicken bone broth. They’re all named on the page — what isn’t published is how much of each one is in a dose, because it’s sold as a proprietary blend.
Ashwagandha
An adaptogen, used here for hormonal balance, thyroid support and helping an anxious dog settle.
Ginseng
Mineral-rich root the producer links to steady weight management and immune support.
Astragalus root
Another adaptogen, included for digestion and heart support.
Dandelion root
A source of protein and vitamin A, used traditionally to support the body’s own clearing processes.
Turmeric
The best-researched ingredient in the bottle. Included for a healthy inflammatory response and joint comfort.
MCT oil
Easy-to-digest coconut-derived fat. It also helps the body take up the turmeric alongside it.
Horsetail
A silica and calcium-rich plant, included for bone support.
Bovine collagen
Protein for joint and mobility support — one of the two ingredients with a real trial in dogs behind it.
Chicken bone broth
The base of the formula and the reason dogs take it willingly. Easy on the stomach, and the producer ties it to skin, coat and bone condition. In practical terms, this is the ingredient that solves the “my dog won’t take supplements” problem.
The transparency gap, stated plainly: because this is sold as a proprietary blend, the offer page names every ingredient but publishes no milligram amounts. That’s standard practice in this corner of the market and it isn’t a safety problem, but it does mean you can’t compare a dose of turmeric here against a dose of turmeric in a single-ingredient product. If you want per-ingredient amounts before ordering, read the label panel when the bottle arrives — the 60-day guarantee gives you room to do exactly that.
Does the science behind it hold up?
Partly, and it’s worth knowing which part. The producer publishes a genuine reference list of around twenty peer-reviewed studies, and several are real dog studies. But they are studies of ingredients, not of this finished formula — and a few of them were run in rats, horses or humans rather than dogs.
The strongest single citation is a randomised, double-blind, placebo-controlled trial in dogs with osteoarthritis, testing a diet supplemented with curcuminoids (turmeric), hydrolysed collagen and green tea extract — two of which are in this bottle. It’s a real study with a real result, and the result is nuanced: the objective force-plate measurements didn’t separate the groups, but owner-reported pain and pain on manipulation did move in favour of the supplemented dogs (Comblain et al., BMC Veterinary Research, 2017).
That is exactly the shape of evidence you should expect from a food supplement: modest, owner-noticeable, not dramatic. It supports the label’s wording — supports strong joints and flexibility — and it does not support anything in the sales copy about turning back the clock.
Other citations are weaker for our purposes. The ashwagandha adaptogen study the producer lists was run in horses; another was in people with subclinical hypothyroidism. The horsetail bone-density work was done in rats. None of that is fraudulent — it’s how ingredient research usually works — but it’s a long way from “proven in dogs”, and anyone telling you otherwise is selling.
The regulatory reality is also worth understanding. The FDA does not approve dog supplements the way it approves animal drugs; supplements for pets sit in a category the agency regulates as food or, in some cases, as unapproved drugs, with enforcement discretion in between (FDA, Animal Foods & Feeds). So when you see “FDA-registered facility”, read it as what it is: the factory is registered and inspectable, which is genuinely better than nothing, but it is not a statement that the FDA approved or tested this formula.
The American Veterinary Medical Association has a short, sober piece on how to assess a pet supplement that I’d recommend to anyone buying in this category for the first time — it’s the same checklist I used here (AVMA, Assessing pet supplements).
How do you actually give it to a dog?
You pour it onto the food and that’s it. No pill to hide, no capsule to crack open, no separate feeding time. Because the base is chicken bone broth, most dogs treat it as an upgrade to dinner rather than as medicine.
Getting it right
- Mix it into the meal rather than dropping it on top — it spreads through kibble better that way.
- Use the dosing printed on the bottle label, and start at the lower end for a small dog.
- Give it daily and at the same meal — this is a slow-building supplement, not a one-off dose.
- Take a photo of your dog’s coat on day one. Coat change is gradual and you will not notice it day to day.
Talk to your vet first if…
Your dog is a young puppy or pregnant, takes prescription medication, or has a diagnosed condition — thyroid, kidney, liver or heart. Adaptogens such as ashwagandha and ginseng are the reason: they can interact with medication. This isn’t specific to UltraK9 Pro, it applies to every herbal supplement on the market, and your vet answers it in one phone call.
One gap I’d like closed: the offer page doesn’t publish a dosing chart by dog weight before you buy. A 6 kg terrier and a 40 kg retriever are not the same dog, and I’d rather see that chart up front. The instructions come printed on the bottle, so you get them on delivery — but if dosing precision matters to you, factor that into the decision.
Pros and cons, without the sales pitch
Here’s what I think genuinely earns its place in this bottle, and what you should know before you decide.
What I liked
- A sensible ingredient list. Turmeric, collagen, MCT oil and bone broth are exactly what you’d expect a vet-adjacent nutritionist to reach for — nothing exotic or invented.
- Real research behind the headline ingredients. Including a placebo-controlled trial in actual dogs, not just lab work.
- A format dogs accept. Broth-flavoured liquid beats a tablet you have to hide, every single time.
- Honest manufacturing claims. Made in the USA, GMP-certified, FDA-registered facility, non-GMO — and notably, no false “FDA approved” badge anywhere.
- 60 days to change your mind with a full refund, which is long enough to actually judge it.
- Free shipping inside the US on every pack, with a 5–7 day delivery window.
What you should know first
- The sales story is much bigger than the product. Ignore the “wolf switch” framing and judge it on the label’s three claims.
- Proprietary blend. Every ingredient is named, but no amounts are published before purchase.
- No dosing chart by weight on the offer page — it comes on the bottle instead.
- It’s a months-long commitment. The producer’s own answer is 3 to 12 months, which is why single bottles aren’t sold.
- The 3-bottle pack is poor value. $69 a bottle against $39 on the bigger packs — a strange gap for the option a cautious first-time buyer would pick.
- Direct-to-consumer only. No shop shelf, and international orders pay $15.95 and wait 10–15 working days.
What buyers are saying
“After discovering these nutrients, Lola is like a small little puppy again. She is full of life and so happy. We are just a few weeks into using these nutrients and I truly believe it is the best thing I ever did for her.”
Grace Rees · New York, USA
“My goldie, Bobby, has never been happier. Now, at 11 years old, he can outrun most of those younger pups at the park without breaking a sweat. He’s in the best shape of his life and I will make sure to keep him that way.”
Jacob Jackson · Wyoming, USA
“As soon as I started my puppy on these nutrients, he’s been having more energy and it honestly feels like a completely different dog. I can tell how happy and grateful he is that I’m looking out for him.”
Riley Gould · Chicago, USA
Quotes as published on the producer’s official page, alongside a five-star badge the producer says is based on 11,649 reviews. Those are the producer’s own figures, collected on their own site — treat them as marketing, not as an independent rating. The 4.2/5 on this page is my own editorial score.
Who should buy it, and who should not
Buy it if you have a healthy adult dog on commercial food and you want to add joint, coat and digestion support in a format your dog will actually eat, and you’re willing to give it a few months. Skip it if you’re hoping it will fix a diagnosed medical problem, or if you need to know exact milligrams before you order.
It’s a good fit if…
- ✓Your dog eats mostly dry commercial food and you want to top up what the bag doesn’t provide.
- ✓You have an older dog slowing down on walks and you want joint and mobility support.
- ✓Your dog refuses tablets, powders and anything that looks like medicine.
- ✓You’re happy to run it for three months or more and judge the result then, not next week.
- ✓You want a money-back window rather than a blind purchase.
Look elsewhere if…
- ×Your dog has a diagnosed condition — that needs a vet, not a supplement.
- ×You need per-ingredient milligram amounts published before you buy.
- ×You want a visible change in days. This is a slow-building product and the producer says so itself.
- ×Your dog is already on a fresh, raw or vet-formulated diet covering these bases.
UltraK9 Pro price, packs and bonuses
Three packs, and the per-bottle price is the whole story: 3 bottles at $69 each ($207), 6 bottles at $39 each ($234), or 12 bottles at $39 each ($468). The 6 and 12-bottle packs also include two bonus e-books. Shipping is free in the US. Prices are set by the producer and can change — confirm the total on the official checkout.
| Pack | Bottles | Per bottle | Total | Bonuses |
|---|---|---|---|---|
| Basic Pack | 3 | $69 | $207 | — |
| Small Boy Pack | 6 | $39 | $234 | 2 free e-books |
| Big Boy Pack | 12 | $39 | $468 | 2 free e-books |
Prices as shown on the official order page at the time of writing, September 2026. Free shipping in the United States; $15.95 to Canada, the UK and Ireland, Australia and New Zealand.
The two bonuses, and what they’re worth
Order 6 or 12 bottles and two e-books come with it. The first is a groomer’s guide to coat and teeth — brushing technique, spotting dental trouble early, reducing shedding. The second, Best Dog, Best Owner, is a training and behaviour guide.
The producer lists them at $97 and $79. I’d treat those numbers as marketing framing rather than a real market price — nobody sells a PDF dog-grooming guide for $97. They’re a reasonable extra, not a reason to buy.
My take on which pack to choose: the per-bottle pricing pushes hard toward 6 or 12, and the producer’s own “3 to 12 months” answer means 3 bottles probably isn’t long enough to judge anything. If you want to try it, the 6-bottle pack is the sensible middle — and the 60-day guarantee covers you either way.
UltraK9 Pro
Liquid dropper · chicken bone broth flavour · ten primal nutrients
60-day money-back guarantee
This link takes you to the official UltraK9 Pro store. By purchasing through it, you support my work at no extra cost to you.
UltraK9 Pro FAQ
What is UltraK9 Pro and what does it actually do?
UltraK9 Pro is a liquid food supplement for dogs that you add to a regular meal with a dropper. Its label makes three claims: it modulates healthy weight and metabolism, maintains a lustrous coat and healthy skin, and supports strong joints and flexibility. It is a supplement, not a medicine, and it is not intended to diagnose, treat, cure or prevent any disease.
How do you give UltraK9 Pro to a dog?
You add it straight to your dog’s food, wet or dry, home-made or store-bought. The producer says it tastes like rich chicken bone broth, which is why most dogs take it without any hiding or disguising. Dosing instructions come printed on the bottle label; the offer page itself does not publish a dosing chart by weight, so check the label when it arrives and ask your vet if your dog is small, very large or on medication.
Is UltraK9 Pro safe for puppies and senior dogs?
The producer markets it for dogs of any age or condition, and nothing in the formula is an ingredient vets consider dangerous for dogs at food-supplement levels. That said, adaptogens like ashwagandha and ginseng can interact with medication, so if your dog is a young puppy, is pregnant, has a diagnosed condition such as thyroid or kidney disease, or takes prescription medicine, talk to your vet before starting anything new. That advice applies to every supplement, not just this one.
How long does UltraK9 Pro take to work?
The producer’s own answer is honest about the timescale: coat and energy changes might show up in the first one or two weeks, but the results they describe as lasting take six months to a year of daily feeding, or about three months for dogs already on a raw and home-cooked diet. That is why the larger multi-bottle packs exist, and it is also why a one-bottle trial tells you very little.
How much does UltraK9 Pro cost?
At the time of writing the official page sells three bottles at $69 each ($207 total), six bottles at $39 each ($234 total) and twelve bottles at $39 each ($468 total). The six and twelve-bottle packs also include two bonus e-books. Shipping is free inside the United States; Canada, the UK and Ireland, Australia and New Zealand pay $15.95. Prices are set by the producer and can change, so confirm the total on the official checkout before you pay.
Is UltraK9 Pro FDA approved?
No, and neither is any other dog supplement. The FDA does not run an approval process for animal supplements the way it does for animal drugs. What UltraK9 Pro does state is that it is manufactured in the USA in a GMP-certified, FDA-registered facility, which is a claim about the factory’s inspection status, not about the product being approved or tested by the FDA.
How does the guarantee and refund work?
The producer offers a 60-day money-back guarantee: if you are not satisfied within 60 days of ordering, you write to customer support and get a full refund. The retailer of record is BuyGoods, and refunds are handled through BuyGoods customer support rather than through this website.
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About the author
Jenny Johnson
Home & pet product reviewer · Vitherma
I started Vitherma writing about heaters and coolers, and the pets section grew out of the same habit: reading the fine print on products that promise a lot, and reporting what’s actually on the label. More about how I work is on my about page.
To be clear about what I am not: I am not a veterinarian or an animal nutritionist, and nothing here is veterinary advice. This review is a breakdown of the producer’s published material, the ingredient research they cite, and the pricing and guarantee terms as they stand today — not a feeding trial with my own dog. For anything to do with your dog’s health, your vet is the right person to ask.
- Published
- My score
- 4.2 / 5
- Sources
- Official page, cited studies
Affiliate disclosure: this article contains affiliate links. If you buy through them, we may earn a commission at no extra cost to you. That commission never changes the score above, and every price, guarantee and quote here is taken from the producer’s own page.
Final verdict · 4.2 / 5
A good bottle behind a loud sales page
Sensible ingredients, real research behind the headline ones, a format dogs actually eat and 60 days to change your mind. Judge it by the label’s three claims rather than the sales story, give it a few months, and talk to your vet first if your dog is on medication.
60-day money-back guarantee · free US shipping · prices set by the producer