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Can dogs eat kale?
Last updated 2026-05-08 · Sourced from ASPCA & Merck Veterinary Manual
Sometimes — with caution
Calcium oxalates and isothiocyanates. Can cause GI upset.
The short answer
Sometimes — with caution — dogs should only have small amounts of kale. Tiny amounts only Curly leafy green.
Why be careful
Calcium oxalates and isothiocyanates. Can cause GI upset.
What every dog owner should know
- Healthy dogs: small amount okay
What to do if your dog ate kale
- Stay calm and assess how much was eaten and when.
- Call your vet or ASPCA Animal Poison Control at 888-426-4435 (consultation fee may apply).
- Alternatively, Pet Poison Helpline: 855-764-7661.
- Do not induce vomiting unless explicitly instructed by a vet.
- Have product packaging or the food itself ready to describe to the vet.
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Puppy safety
Generally avoid feeding kale to puppies. Their digestive systems are still developing and they're more sensitive to changes in diet, fat, sodium, and lactose than adults. If you've already given some, watch for vomiting, diarrhea, or lethargy and contact your vet if any appear.
What to do if your dog ate kale
- Note how much was eaten and when. A small amount is rarely an emergency, but a large quantity may need vet attention.
- Watch for symptoms over the next 12–24 hours: vomiting, diarrhea, lethargy, loss of appetite, or changes in drinking/urination.
- Provide fresh water and skip the next meal if your pet seems unsettled — let their stomach calm down.
- Call your vet if symptoms appear or persist beyond 24 hours, or if the amount eaten was significant.
Better alternatives
If your dog likes kale, they may also enjoy these safe options:
Frequently asked questions
Is kale toxic to dogs?
Not strictly toxic, but calcium oxalates and isothiocyanates. can cause gi upset.
How much kale is too much?
Any amount carries some risk. If you choose to feed kale, keep it to a tiny taste — not a regular treat.
Can puppies eat kale?
Avoid giving kale to puppies. Their digestive systems are still developing.
What should I do if my dog ate kale?
Watch for symptoms over the next 24 hours and contact your vet if anything concerning develops.
Frequently asked questions
Can dogs eat kale?
Sometimes — with caution. Calcium oxalates and isothiocyanates. Can cause GI upset.
What happens if a dog eats kale?
Watch for digestive upset, lethargy, or other unusual behavior.
Is kale toxic to dogs?
Kale carries some risk for dogs. Calcium oxalates and isothiocyanates. Can cause GI upset.