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Chondroitin Sulfate

Chondroprotective Nutraceutical / Glycosaminoglycan
Last reviewed 21 Apr 2026 · PetCare.AI Editorial Team
Species
Dog, Cat
Brands
3 available
Formulations
3

Mechanism of action

Sulfated glycosaminoglycan that is a major component of cartilage extracellular matrix. Inhibits leukocyte elastase and hyaluronidase, reduces fibronectin levels, and may inhibit NF-κB activation. Contributes to cartilage water retention and compressive resistance.

At a glance

Class
Chondroprotective Nutraceutical / Glycosaminoglycan
Schedule
OTC
Storage
Store in cool, dry place, protect from moisture

Dosing

🐕

Dog

Combined with glucosamine +/- MSM, omega-3, or ASU
Dose
15–30 mg/kg
Route
PO
Frequency
q24h
🐈

Cat

Combined OA supplementation in cats
Dose
100–200 mg
Route
PO
Frequency
q24h
Educational reference only
This information is provided for educational purposes and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult a qualified veterinarian before administering any medication to your pet. Find a vet near you →

Formulations

💊

Other — 3

Strength
Strength
Strength

Storage

Store in cool, dry place, protect from moisture

Safety

Monitoring parameters

Pain and mobility scoresCoagulation if concurrent anticoagulant therapy
Educational reference only
This information is provided for educational purposes and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult a qualified veterinarian before administering any medication to your pet. Find a vet near you →

Interactions

No documented interactions.

Brands

Other markets

Cosequin
Dasuquin
various combination products

FAQs

Frequently asked questions

What is Chondroitin Sulfate?
Chondroitin Sulfate is a chondroprotective nutraceutical / glycosaminoglycan used in pets. Sulfated glycosaminoglycan that is a major component of cartilage extracellular matrix. Inhibits leukocyte elastase and hyaluronidase, reduces fibronectin levels, and may inhibit NF-κB activation. Contributes to cartilage water retention and compressive resistance.
What is Chondroitin Sulfate used for in pets?
Chondroitin Sulfate is used in veterinary medicine for: Combined with glucosamine +/- MSM, omega-3, or ASU; Combined OA supplementation in cats.
What is the Chondroitin Sulfate dose for dogs?
For dogs, Chondroitin Sulfate is typically dosed as follows — Combined with glucosamine +/- MSM, omega-3, or ASU: 15–30 mg/kg PO q24h. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
What is the Chondroitin Sulfate dose for cats?
For cats, Chondroitin Sulfate is typically dosed as follows — Combined OA supplementation in cats: 100–200 mg PO q24h. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
Does Chondroitin Sulfate need a prescription?
Chondroitin Sulfate is available over the counter. Even so, you should consult your veterinarian before giving any medication to your pet.
Educational reference only
This information is provided for educational purposes and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult a qualified veterinarian before administering any medication to your pet. Find a vet near you →

References

References

The PetCare.AI drug reference is built from 13 authoritative sources cited across 580 drug monographs.

Textbooks & handbooks — 5

  • Plumb's Veterinary Drug Handbook
  • Withrow & MacEwen's Small Animal Clinical Oncology
  • Merck Veterinary Manual
  • NRC Nutrient Requirements of Dogs and Cats
  • Veterinary Pharmacology and Therapeutics (Riviere & Papich)

Clinical guidelines & consensus — 4

  • ASPCA Animal Poison Control Center Guidelines
  • AAHA Diabetes Management Guidelines
  • ASPCA Poison Control Guidelines
  • RECOVER CPR Guidelines

Journals & peer-reviewed studies — 2

  • EPIC Study (J Vet Intern Med 2016)
  • JVIM FAT CAT Study

Regulatory & approvals — 1

  • CDSCO Veterinary Drug Approval Registry (1969–2026)

Databases — 1

  • Washington State University VCPL MDR1 Database
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