The Ideal Pairing for a Busy Lifestyle

A healthy gut is the foundation for your dog’s long-term wellbeing.

With the Digestive-K9 Hero Duo, you get flexibility that fits your lifestyle - Powder for easy daily meals at home, and Chews for convenient, fuss-free support when you’re out and about.

Together, they keep your dog’s gut balanced, resilient, and supported wherever life takes you. Digestive-K9 Powder and Chews work hand in paw to make gut health simple, consistent, and effective, no matter how busy your days get.

Made in

The USA

Vet & Nutritionist

Recommended

Fast Acting

Cereal Grain Free

Science-

Backed

Research-

based

Safe for Metabolic

Horses

No Fillers, Sugars

or Soy

Horse Owner Approved

Real and honest reviews from horse owners using the Gut Health Reset Pack.

These results reflect the unique experiences of real customers. These observations are not intended to replace advice from your veterinarian and are not guaranteed.

FAQ

Poseidon Animal Health was founded in Australia in 2017, with a focus on targeted, evidence-based gut health solutions. After creating our successful equine range, we applied that same science-led approach to canine health.
We are based in the Illawarra Region of NSW, with manufacturing facilities in Australia, New Zealand and USA. We also export to Europe, the Middle East and Asia.

DigestiveK9 is a daily gut health supplement formulated by a team of canine nutritionists, microbiologists and veterinarians to support the entire digestive tract.
DigestiveK9 is designed to support digestion, immunity, skin health, and behaviour.

DigestiveK9 stands apart in three key ways:

  • It uses a powerful blend of prebiotics, postbiotics, para-probiotics, amino acids and digestive enzymes - developed using a unique canine-specific culture.
  • It contains no synthetic additives or artificial preservatives - only active, non-GMO ingredients that support the whole gut.
  • Our Bio-K9® blend is fermented using Lactobacillus acidophilus D2 to deliver stable, shelf-ready metabolites that help calm inflammation and support the immune system.

DigestiveK9 Powder and Chews both contain our Bio-K9® blend along with a host of natural ingredients like organic spirulina, carrot fibre, organic ginger, green lipped mussel and many others for added gut and immune support.

Please note: Some ingredients vary between our Powder and Chews.

Some additional natural ingredients have been added to create the shape and texture of our Chews (for example, Tapioca and Potato Starch).

Our Powder contains yummy, nutritious Beef Bone Broth, while our Chews do not contain any meat-based ingredients. If your dog is sensitive to beef, we recommend using the Chews only.

Head to each individual product page to see a full breakdown of ingredients.

Contact info@poseidonanimalhealth.com if you need help deciding which product is right for your dog.

We recommend daily use to support your dog’s gut and overall wellbeing. DigestiveK9 is safe for all dog breeds and life stages and is designed to be used as a long-term supplement solution, so there’s no need to worry about having to wean your dog off the product and find issues return. 



Modern diets, stress, medications, and environmental toxins can all impact the gut microbiome. If your dog displays signs of digestive upset, itchy skin, bad breath, food sensitivities, or low energy, it could indicate poor gut health.
DigestiveK9 helps restore balance, reduce inflammation, and support better digestion, immunity, and behaviour - every day.

Powder Daily Feed Rate

Feed ¼ scoop of powder per 5kg of body weight.

*If your dog is between weights, it is safe to round up. For example, a 7kg dog would receive ½ scoop per day.

Chews Daily Feed Rate

Depending on your dog’s weight, feed from 1 up to 5 chews per day (see table below for reference):


  • Up to 5kg – 1 Chew
  • 5 - 10kg – 2 Chews

  • 10 - 15kg – 3 Chews
  • 15 - 20kg - 4 Chews
  • Over 20kg - 5 Chews

Introduction For Both Products

Introduce each product slowly over 14 days, starting with ¼ of the recommended serve and increasing gradually. For dogs under 5kg, begin with a light sprinkle of powder or half a chew.

Interchanging Between Powder & Chews

Our DigestiveK9 Hero Duo Bundle is designed to make your life easier by offering the same gut support in two different formulations. You can easily switch between the two without skipping your dog's daily gut health goals.

Note: There is no need to double up or feed more than a daily serve if using both products in a 24 hour period - each product will provide the same level of digestive support, so we recommend splitting the serve between the two products if feeding both on the same day.

Example Feeding Routine (For The Weekend Adventurer):

Mon - Fri: Feed a daily serve of Powder with your dog's dinner each night.

Sat - Sun: Feed a daily serve of Chews instead of the Powder if on the go or taking a trip.

Large dog owners: Feed their daily amount of chews tossed into one of their meals, or feed sporadically throughout the day - either way, they'll be supported!

Example Feeding Routine (If Your Dog Craves Variety):

Daily: Feed 1/2 a daily serve of Chews in the morning with or after breakfast, followed by 1/2 a daily serve of Powder in the evening with dinner.

While some dogs show changes quickly, best results are typically seen after 6-12 weeks of daily use.

Yes! DigestiveK9 is highly palatable. Many owners report their dog won’t eat without it! The powder blends easily with your dog's regular food and is loved by even by the fussiest eaters, while the chews are easily mistaken by discerning pups for a yummy treat (you're welcome!)

It is extremely rare, but if your dog happens to show any hesitation or disinterest in consuming our supplements after 1 week of daily feeding attempts, please reach out to our customer service team for helpful advice and further support. We’re here to help with your dog's journey to better health.

DigestiveK9 is safe to use alongside most other supplements.
Each ingredient plays a specific role, and the formulation is designed to complement your dog’s existing routine.

As with any supplement, we recommend consulting your veterinarian, particularly if your dog is on existing medication or has a medical condition.
DigestiveK9 contains no chicken and is suitable for dogs with common protein sensitivities.