Osteoarthritis affects 80% of dogs over age 8 and 20% of dogs over age 1, making it the most common cause of chronic pain in companion animals according to the American Animal Hospital Association (AAHA). Early intervention with joint supplements, weight management, and appropriate exercise can delay the need for surgical intervention by 3–5 years.
Which Joint Supplements Have Evidence for Dogs?
| Supplement | Evidence Level | Mechanism |
|---|---|---|
| Glucosamine + Chondroitin | Moderate | Cartilage repair, anti-inflammatory |
| Omega-3 (EPA/DHA) | Strong | Reduces inflammatory mediators |
| Green-Lipped Mussel | Moderate | Contains ETA (unique omega-3) |
| Adequan (Rx) | Strong | Injectable; inhibits cartilage destruction |
What Are the Early Warning Signs of Joint Disease?
- Reluctance to jump onto furniture or into cars
- Stiffness after rest (especially mornings)
- Bunny-hopping gait when running
- Difficulty with stairs — especially going down
- Sitting with one leg extended to the side ("lazy sit")
Important Notice
This article is for informational purposes only. Joint supplements should be used under veterinary guidance, especially alongside prescription medications. Consult your vet for a proper orthopedic evaluation including the Orthopedic Foundation for Animals (OFA) screening.
Frequently Asked Questions
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