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Optimal Gut

Trusted by 10,000+ customers in the US

K9 Belly Bliss + Free Shipping


“This is life-changing! Toby gets one scoop every morning and after three months total, I’ve seen significant improvement in his allergies, stools, and even his energy levels. Other people have noticed also. And he can’t wait for me to sprinkle it on his food, so it must taste good!”

Vickie S. Owner of Toby

Free Shipping
Today Only

Vet Reviewed
& Approved

Optimal Gut

Vet Reviewed

“I`ve never seen anything like
K9 Belly Blis on the market. It`s a
must-have for any dog parent who
wants to help their best friend.”

Dr. Randy D. Aronson VMD, CCRT
Top Arizona Veterinarian

One-Time Purchase

40% OFF Today Only



40% OFF discount today only

FREE SHIPPING on multi-jar orders

180 Day Guarantee so no risk for you

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We’ve taken dog gut health to the next level

Pup Labs’ K9 Belly Bliss contains some of nature’s most powerful gut fortifying ingredients like l-glutamine, NAG, and mushroom prebiotics.

  • Utilizes unique, fast acting l-glutamine previously reserved for humans
  • Reviewed and loved by American vets
  • Flavorless and odorless

Directons For Use


Dog`s Weight


Under 25 lbs

½ Scoop

25 - 75 lbs

1 Scoop

Over 75 lbs

2 Scoop

Warnings! Not for human consumption. Keep out of the reach of children and animals. In case of accidental overdose, contact a health professional immediately. Keep in a cool dry place, away from direct sunlight. Ensure jar is resealed after use.


Active Ingredients per Scoop (2.5g)





Prebiotic Blend:
Reishi, Turkey Tail, Cordyceps, Lion`s Mane, Pumpkin Seed, Bioflavonoids


Cautions: If animal`s condition worsens or does not improve, stop product administration and consult your veterinarian. Safe use in pregnant animals or animals intended for breeding has not been proven. Not for human consumption

Why Pup Labs?

Made in the US

Veterinarian Approved

No Subscriptions or Auto-ship

180-Day Money Back Guarantee

As Seen On Sponsored Content*


What Makes Our Gut Formula Unique?

Made In The USA

In an NASC and GMP certified facility, so you can rest easy knowing what’s on the label is inside the bottle.

Extensive Research & Development

We worked closely with Dr. Randy Aronson, a leading veterinarian with 43 years of experience, to formualte K9 Belly Bliss.

Cutting Edge Formula

To our knowledge, there are ZERO dog health formulas on the market with these ingredients in these exact dosages. It truly stands in a league of its own.

Stronger Digestion

Supports a healthy digestive system and microbiome. Crucial for maintaining healthy stools, allergy-free skin, and a beautiful full coat – giving your dog the life he or she deserves.

Rated 4.0

Rated 4.5

Your Dog Could Be Next!

4 days ago

Rash-free for a month!

About a year ago, my dog came down with some spots under her coat that at first, I thought was ringworm. So I treated them as such and they went away. But then they came back with hair loss and even larger rash areas. Fast forward through months of switching between antifungals and antibiotics, with no results to show for it. And then I came across Dr. Randy and K9 Belly Bliss. Within weeks, and her horrible, smelly, raw, itchy, red rash was healing! She didn’t smell so bad, and she even had more pep in her step. As of today, she’s been rash-free for a month! My only regret is that I didn’t find this sooner. Thank you!

6 days ago

Completely firmed up his poops…

I have an English Bulldog with a very, very sensitive stomach. He’s 10 years old now, and due to chronic health problems, he has to take a lot of meds. I know that’s not good for his tummy, but what can I do? So I’ve tried all sorts of probiotics to help protect his gut. But honestly, I’ve never seen a difference in his poops or how he seems to feel. Well that all changed with K9 Belly Bliss. It’s completely firmed up his poops, and he is way less gassy. All in all, highly recommend to anyone that has a dog with digestive issues.

1 week ago

All ear problems are cured!

This product completely cured the ear infections that my large dog has suffered from his entire life. No oral or topical meds could ever bring him any relief. I spent so much on vet bills and months with him in a cone and it would always come back. Finally, my husband discovered this product, and ALL EAR PROBLEMS ARE CURED! It’s been 2.5 months and we’re about to order our first replacement order. It was cured within 2 weeks of taking this. He never scratches or shakes anymore. Don’t hesitate to try this when you feel like you have tried everything else!

2 weeks ago

No more uncontrollable diarrhea…

My poor 10-month-old lab had terrible, uncontrollable diarrhea. All throughout the day he would go whenever he needed to, and I’ve lost count of how many times I’ve tried to clean the mess on my carpet. He was still acting like a pup in good health, eating and playing, but you could tell the poop was out of his control. We’re only a week in, and his daily poops have gone from 8-10 times to only 3. Plus, there’s finally some shape to them as well! I highly recommend these if your puppy is having bathroom problems, and if you have a dog with allergies.

Packed With High Quality Ingredients


250 mg

L-Glutamine has been shown to stimulate the growth of the cells lining the gut wall, “stitching” up Leaky Gut and stopping toxins from seeping into your dog’s body.

N-Acetyl D Glucosamine (NAG)

125 mg

NAG acts like a sponge in your dog’s gut, attracting and then absorbing all the harmful toxins before they have the chance to tear holes in your dog’s sensitive gut lining.

Reishi Mushroom

400 mg

Reishi mushrooms are great for rebalancing your dog’s gut, improving the density of its bacteria, and even reducing inflammation.

Lion’s Mane Mushroom

400 mg

Similar to Reishi, Lion’s Mane helps support healthy gut function in your dog. It does this because it’s a potent prebiotic, which “feed” the good bacteria in your dog’s tummy.

Turkey Tail & Codyceps

800 mg

Like Reishi and Lion’s Mane, these two ingredients are potent prebiotics. Once the other ingredients have gotten to work repairing the gut, our prebiotic mix supplys the good bacteria with the fuel they need to prevent future issues.

Frequently Asked Questions

How is this different from the other toppers I can just buy on Amazon?


K9 Belly Bliss targets what I believe is the underlying root cause of nearly all dog issues: a Leaky Gut. It’s linked to skin allergies, ear infections, digestive issues, and so much more. Even worse, leaky gut is impossible to detect until it shows up as itchy rashes, scratching at the ears, and mushy poops.

And no matter if we’re talking about dogs or humans, the digestive tract is lined with a single layer of cells. You can think of them like soldiers that lock arms, protecting your dog’s insides from external dangers. But when toxins build up in your dog’s gut, they pierce holes through the soldiers’ locked arms. When that happens, those toxins gain “illegal entry” into the rest of your dog’s body. That puts your dog’s immune system on high alert, and leads to chronic, full-body inflammation.

That results in a ton of health problems like skin allergies, coat issues, weight gain, excessive shedding, irregular pooping, and even depression.

So first and foremost, K9 Belly Bliss contains 6 ingredients that work together to form a 3-Pronged Defense that fixes Leaky Gut, and protects against future damage.

They repair your dog’s damaged gut walls…

They improve your dog’s nutrient absorption…

And they rebalance bacteria for long term protection…

Each step is crucial for healing your dog from the inside-out and keeping him or her healthy for the long term.

And as to your second question…

K9 Belly Bliss contains ingredients that you simply don’t find in dog products. For example, N-Acetyl D-Glucosamine is really popular for humans, but there’s not been one brand I’ve found that uses it for dogs. Same thing with L-Glutamine!

The fact is, most Amazon toppers either have prebiotics or probiotics. That’s great, but unless you have active ingredients that are working on repairing the holes in your dog’s gut lining… the hard truth is those expensive chews and supplements won’t do much good.

The best part is, it's safe, gentle, and made from 100% natural ingredients. And with our 180-day money back guarantee, you really have nothing to lose by giving it a try.

Can I use K9 Belly Bliss on raw or wet food?


YES! That’s actually why I love this product so much, and why I’m so excited for its potential to change so many doggy lives. You can use K9 Belly Bliss on any type of food, dry or wet.

This is a huge game changer because until now, to really get significant results in your dog’s health, you had to change their food completely. But I know that’s not practical for most people, for a variety of reasons.

With K9 Belly Bliss, simply scoop, serve, and sit back to let the magic happen! It couldn’t be easier to use. Just sprinkle one scoop on top of your dog’s food once a day. If they’re more than 50 pounds, I recommend two scoops per day.

Before you know it, you’ll see your pup’s happy-go-lucky energy come roaring back. His or her itching will subside, and as the days pass their coat will look shinier and fuller. Their bathroom habits will go back to normal, and they’ll be walking, running, and playing like their healthy-selves. No matter if your dog is still young, or already in their golden years.

And you won’t have to change their food, or spend any extra time in the kitchen preparing them special meals.

Where exactly do the ingredients come from?


All ingredients are cultivated in the United States, which means they are NOT imported from overseas. They’re then combined into this safe, natural, and vet-approved formula in a top-rated lab in Florida. This lab is famous for supplying products to both dogs and racehorses alike, and they’ve been in business for nearly three decades.

In fact, the prebiotic mushrooms in the formula come from USDA certified organic farms in the pacific northwest, and they’re each certified organic and 3rd party tested.

So yes, you can rest easy knowing that each batch of K9 Belly Bliss is made right here in the USA in a state-of-the-art GMP and NASC-certified facility, under the most sterile, strict, and precise standards.

And if you didn’t know, NASC stands for the National Animal Supplement Council. It’s a non-profit group dedicated to protecting our pets. They do this by monitoring manufacturers to ensure they use the best, most high-quality ingredients.

So what are you waiting for? Grab your discounted package of K9 Belly Bliss on this page right now, before we sell out of our current batch!

How many jars should I get?


Great question! So, each jar comes with 30 servings. If your dog is less than 50 pounds, just one scoop a day is sufficient. However, if your dog is over 50 pounds, I would recommend two scoops a day.

But to get the biggest bang for your buck, and to give the natural ingredients time to work their gut-healing magic, I recommend you give K9 Belly Bliss to your dog for at least 90 days. That’s why we’ve created our discounted package plans, to make it as easy and affordable as possible to get your hands on this formula.

So if you have one dog, get at least 3 jars of K9 Belly Bliss. If you have two dogs, I’d recommend the six jar package. And finally, if you have a really large dog, like a German Shepherd or Great Dane, you’re going to want to get the 6 jar package as well.

And again, each order is protected by the Pup Labs 180-day guarantee, so you have nothing to worry about if you’re not happy with the results. We’re taking all the risk today, so go ahead and grab your package now before we run out of inventory.

How does your guarantee work?


I definitely understand where you’re coming from, Robert! And if you’re watching this right now, thinking the same thing, I’m here to say you can relax.

I'm so confident that your dog will experience more profound, visible results than literally anything you've ever purchased for them before, I'm not promising the results, I'm going to completely guarantee them.

I'm giving you a 180 day, no questions asked, 100% money back guarantee to make getting started an absolute no-brainer for you. Here’s how it works…

If giving K9 Belly Bliss to your dog doesn't turn out to be the best decision you've ever made, or if you change your mind for any reason whatsoever, just let us know anytime in the next 180 days and we'll refund you the purchase price right away. That’s an entire 6 months to try K9 Belly Bliss for yourself, so there’s no need to worry that your dog might not like the taste or anything like that.

There's simply no risk to you, and our team is extremely easy to get a hold of.

The only risk you could possibly face, is the one of pain and regret if you miss out on protecting your pup and restoring their gut health with this life-changing formula when you had the chance.

Right now, you have six months to test drive the amazing impact this one-of-a-kind, gut-transforming formula will have on your dog’s happiness, and then decide.

It's time to select your money saving package below and to give your dog the gift of better health, 100% risk-free today!