Unsafe
Nuts and seeds
Walnut
Juglans regia
Unsafe
Avoid sharing this food with dogs.
If your dog already ate this
Contact a veterinarian or pet poison control. Do not induce vomiting unless a veterinarian or poison-control specialist tells you to.
Walnuts are high in fat. Moldy walnuts (and other moldy nuts) can contain tremorgenic mycotoxins. Black walnuts are a particular concern.
- High fat
- Mold risk
Also known as english walnut.
Updated September 16, 2026