Endurosyn® Probiotic Gel for digestive health in dogs and cats
Wondering what to give a dog for an upset stomach? Is your cat vomiting after deworming? Give your pet relief with Endurosyn® three-day probiotic, which promotes intestinal well-being during sudden times of stress.

Why choose Endurosyn® probiotic for pets?
- Contains probiotics and prebiotics
Every 5 grams includes at least 10 million Colony Forming Units (CFUs) of live (viable), naturally occurring bacteria, plus the prebiotic inulin to help support beneficial bacteria.
- Supports gastrointestinal tract health
Electrolytes promote normal water absorption in the GI tract, while medium-chain triglycerides provide nourishment to GI tract cells.
- Includes amino acids
These essential molecules help support intestinal cell integrity.
- Delicious and nutritious
Tasty, vitamin-enriched Endurosyn® gel helps pets stay happy and healthy in stressful situations — no prescription needed.

The Endurosyn® gel formula
Endurosyn® helps maintain intestinal well-being through a patented blend of probiotics, prebiotics, electrolytes, triglycerides and amino acids in special formulations and flavors for your pet: poultry-fish for cats and poultry for dogs. Plus, it’s enriched with vitamins including A, C, D3 and E. Learn more about the benefits of probiotics for cats and the benefits of probiotics for dogs.
Ready to try Endurosyn® probiotic?
A guide to Endurosyn® probiotic gel

Is Endurosyn® right for my pet?
A normal GI system has a healthy balance of microorganisms, but your dog’s or cat’s system can be disrupted by:
- Dietary changes or indiscretions
- Stress from boarding, travel or hospitalization
- Antibiotic therapy
- Deworming
You can give your pet Endurosyn® before or during stressful situations or after antibiotic therapy, deworming or digestive upset.

Directions for Endurosyn® probiotic for cats
- For kittens and adult cats below 7 pounds: 2 grams daily
- For adult cats over 7 pounds: 5 grams daily
- Treat for 3 days or as directed by your veterinarian. Always provide your pet with access to fresh drinking water.

Directions for Endurosyn® probiotic for dogs
- For dogs up to 70 pounds: 10 grams daily
- For dogs over 70 pounds: 20 grams daily
- Treat for 3 days or as directed by your veterinarian. Always provide your pet with access to fresh drinking water.

Endurosyn® carries the NASC Quality Seal.
The National Animal Supplement Council (NASC) is an industry group that sets high standards for pet supplements. Only companies that meet NASC’s rigorous requirements and review processes may display the Quality Seal. Look for the Quality Seal on all Elanco supplements, which have been scientifically formulated with the high-quality ingredients your pet deserves. See our full line of supplements.
Top questions about Endurosyn® for dogs and cats
Endurosyn® is a trademark of Elanco or its affiliates.
CAUTIONS: Keep out of the reach of children. For Animal Use Only.
WARNINGS: Do not give to animals who have known allergies to poultry or fish meal. If allergic reaction occurs, discontinue use and consult your veterinarian.