Can Dogs Eat Kale?

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Kale has become an ever-popular superfood these days. We add it to our salads and smoothies for that extra boost of green. It has tons of benefits for humans, but does the same go for dogs? You would think that kale would be an okay green for your dog to munch on, but you'd be wrong.


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Kale is not okay for dogs to eat. Kale actually contains harmful natural compounds, including calcium oxalate and isothiocyanates.

Why can kale be toxic?

Like we said before, Kale contains several potentially harmful natural compounds, including calcium oxalate and isothiocyanates.

Calcium oxalate can cause health issues like kidney and bladder stones. While these are treatable issues, they're expensive to treat and harmful to your dog. It's best to leave kale in your salad and out of your dog's bowl.


If you have a dog who has gotten kidney or bladder stones in the past, it's best to avoid all greens. This includes spinach, beet greens, roots of beets, Swiss chard, collards, parsley, collards, leeks, quinoa, and okra.

Isothiocyanates, another compound in kale, are also harmful to your dog. They can cause mild to potentially severe gastric irritation.

Kale has also been known to interfere with dogs' thyroids if given regularly. Dogs with hypothyroidism could suffer medication interactions if fed large amounts of kale. It's important to always check with a vet about medication interactions before introducing a new food.


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My dog ate kale. What do I do?

If your dog ate a small amount of kale, there is probably no need to panic. If you have a larger dog, a small leaf of kale may have zero effect on them. You can always call your veterinarian with any concerns you may have.


Monitor your dogs closely for signs of an upset stomach. Symptoms such as vomiting, diarrhea, difficulty urinating, or a change in urination habits are all signs that your dog could be suffering from a bladder stone. If this is the case, contact your vet immediately.


If eaten in a small amount, kale will most likely leave your dog unharmed. However, there are some harmful compounds in kale that could send you on a trip to the vet. If it can be avoided, stick to other fruits and veggies like peas and apples.

Always check with your veterinarian before changing your pet’s diet, medication, or physical activity routines. This information is not a substitute for a vet’s opinion.