Call ASPCA Poison Control: 888-426-4435 or your vet immediately.
Walnut is not safe for Great Danes and should never be offered. Walnuts especially black walnuts are toxic to dogs for Great Danes. There is no safe serving size — even tiny amounts can cause serious harm.
Contain juglone toxin and cause pancreatitis. If your Great Dane has accidentally eaten Walnut, do not wait for symptoms. Contact your vet or ASPCA Poison Control (888-426-4435) immediately — early treatment dramatically improves outcomes.
| Safety | ❌ Not safe for pets |
| Risk | Serious harm |
| Safe amount? | None — avoid |
| If eaten | Vet immediately |
Vet-recommended, best-selling on Amazon