Can Dogs Eat Brussels Sprouts? Prep, Portions and Gas

Yes. Plain, cooked Brussels sprouts are fine for most dogs in small amounts. Trim the stem, cut them into small pieces and count them as a treat, because too many will give your dog gas and an upset stomach.

The sprout itself is rarely the problem. The holiday version is. Brussels sprouts roasted with bacon, tossed in butter or cooked with garlic and shallots are a different food for a dog, so set a few plain ones aside before anything goes on them.

Are Brussels Sprouts Safe for Dogs?

They are. The American Kennel Club notes that Brussels sprouts have no toxins or poisons for dogs and can be shared with a few precautions: cooked, unseasoned and in small amounts.

Brussels sprouts belong to the cabbage family, alongside broccoli, kale and cabbage. For people they are a source of fiber, vitamin C, vitamin K and folate. For a dog eating a complete and balanced diet, though, they are an extra, not a supplement. The World Small Animal Veterinary Association (WSAVA) is clear that treats should never replace a meal, and a complete and balanced dog food already covers what your dog needs.

One caveat before you share: if your dog has a medical condition, food sensitivities or eats a veterinary prescription diet, WSAVA advises that ordinary treats may not be appropriate. Ask your vet first.

The Holiday Side Dish Is the Real Problem

Brussels sprouts are a fixture at Thanksgiving (the fourth Thursday in November) and Christmas dinner, and that is exactly when dogs get them. The trouble is what the recipe adds:

• Onion, garlic, shallots and chives. These belong to the Allium (onion) family. Pet Poison Helpline explains that Alliums damage red blood cells, which can lead to anemia, and also cause vomiting and diarrhea. Our guide to onions and dogs covers this in more detail.
• Bacon, butter, oil and cheese. Rich leftovers are a classic case of dietary indiscretion, a dog eating something it shouldn't. The Merck Veterinary Manual names dietary indiscretion as a common risk factor for pancreatitis in dogs, a painful inflammation of the pancreas.
• Salt, glazes and sauces. The ASPCA warns that too much salt can make pets sick. Sweet glazes and dressings add nothing your dog needs.

The fix is easy. When you trim and cook the sprouts, pull out a few before the butter, bacon or garlic goes in. Cook them plain, let them cool, and they are ready for the dog.

The same table holds other hazards that WSAVA and the ASPCA warn about:

• Bones from the turkey or a roast chicken. See our guide to dogs and chicken bones.
• Stuffing made with onion.
• Grapes and raisins, which our grapes guide explains.
• Chocolate, macadamia nuts, raw yeast dough, alcohol and anything sweetened with xylitol.
• Turkey skin and fatty drippings, the same rich-leftover problem as the bacon and butter above.

Our list of human foods that are toxic to dogs covers the rest of the table, and our Christmas pet safety guide covers the tree and decorations too.

How to Prepare Brussels Sprouts for Your Dog

1. Rinse them under running water, as you would for your own dinner.
2. Trim the stem. The AKC suggests cutting off most of the stem and leaving the leaves.
3. Cook them plain. Steaming, boiling or microwaving all work. No butter, oil, salt, garlic, herbs or spices.
4. Let them cool to room temperature.
5. Cut them into small pieces that suit your dog's size. Quarters or smaller for small dogs and for dogs that gulp their food.

Can dogs eat raw Brussels sprouts? Cooked is the better choice. The AKC advises skipping raw sprouts because they are hard for dogs to digest, which means more gas and more chance of an upset stomach. Since the sprout has no toxins, a raw leaf snatched off the counter is not an emergency.

What about the stalk? Leave it out, along with the hard stem end the AKC tells you to trim. The tall stalk the sprouts grow on is tough and woody, so it goes in the compost, not the dog bowl.

How Many Brussels Sprouts Can a Dog Eat?

Start small, and let the treat budget set the ceiling. The AKC suggests half to one sprout to begin with, depending on your dog's size, and no more than three per serving after that, given only now and then. Watch how your dog's stomach handles the first try before you offer more.

Treat that AKC figure as a maximum, not a target. The rule that matters more covers every extra your dog eats in a day. WSAVA says treats should make up less than 10% of a dog's daily calories, and that budget includes sprouts, biscuits, chews and table scraps together. WSAVA's guide gives these daily treat limits for a healthy adult dog at an ideal weight:

If your dog already gets dental chews or training treats every day, a few sprout pieces may be all the room left. Your vet can help you set a treat budget that fits your dog.

Gas, Upset Stomach and When to Call

Expect some gas. According to the AKC, sprouts contain a high level of isothiocyanates, natural compounds in the cabbage family that speed up the gut and build up gas. Smelly, but not harmful.

Too many sprouts can also cause an upset stomach and diarrhea. Here is when to pick up the phone:

• Call your vet if gas or an upset stomach lasts more than a few days, as the AKC advises, and sooner if your dog keeps vomiting, has belly pain, seems weak or stops eating.
• Call your vet or a poison line now for advice if your dog ate sprouts cooked with onion, garlic, shallots or chives. They will judge whether the amount matters (see the next section).
• Go now if your dog has a swollen, tight belly, retches without bringing anything up, drools and paces. The Merck Veterinary Manual describes these as signs of gastric dilatation and volvulus, a life-threatening emergency. That is not sprout gas. Read more in our guide to bloat in dogs.

My Dog Ate Brussels Sprouts Cooked With Onion, Garlic or Bacon

Holiday tables get raided. If your dog got into the seasoned sprouts:

1. Move the dish and any other leftovers out of reach.
2. Work out what was in it and roughly how much your dog ate. Check the recipe or the package for onion, garlic, shallots or onion and garlic powder.
3. If there was onion or garlic in it, call your vet or a 24/7 poison line now for advice, even if your dog seems fine: ASPCA Animal Poison Control at (888) 426-4435 or Pet Poison Helpline at (855) 764-7661. A fee may apply. They will tell you whether the amount your dog ate needs a visit.
4. If it was bacon, butter or cheese without onion or garlic, watch your dog and call your vet if vomiting, belly pain, weakness or loss of appetite follow. Those are the most common signs of pancreatitis that Merck lists.
5. Don't make your dog vomit or give any food or remedy unless the vet or poison line tells you to.

Can Dogs Eat Bean Sprouts?

Plenty of people searching "can dogs eat sprouts" mean the crunchy bean sprouts in stir-fries, not Brussels sprouts. These are a different plant: sprouted seeds such as mung beans or alfalfa.

Bean sprouts don't appear on the ASPCA's list of people foods to avoid or on WSAVA's list of toxic treat ingredients. That isn't the same as proven safe, so if you share them, cook them plain and keep them inside the same 10% treat budget. Cooking matters for a food-safety reason: the FDA warns that sprouts eaten raw or lightly cooked may carry bacteria such as Salmonella, Listeria and E. coli, because the warm, humid conditions used to sprout seeds also suit bacteria. That guidance is written for people, but it is a good reason to skip raw sprouts in the dog bowl too.

Skip bean sprouts from takeout or stir-fries, which usually come with garlic, onion or salty sauces. And check sprout mixes: onion and chive sprouts are still Alliums.

Quick Answers

Can puppies eat Brussels sprouts? Ask your vet before adding extras. Growing puppies need their complete puppy food, treats should never replace a meal, and a small puppy's treat budget is tiny.

Can dogs eat Brussels sprout leaves? Yes, the loose leaves are the same vegetable. Cook them plain, like the sprouts.

Are Brussels sprouts better than other vegetables for dogs? No single vegetable is essential. If your dog doesn't like sprouts, that's fine. Other plain vegetables work as low-calorie extras too, and some common ones come with their own rules, as our guide to tomatoes and dogs explains.

Sources

• American Kennel Club: Can Dogs Eat Brussels Sprouts?
• WSAVA Global Nutrition Committee: Feeding treats to your dog
• ASPCA: People Foods to Avoid Feeding Your Pets
• ASPCA Animal Poison Control Center
• Pet Poison Helpline: Garlic
• Pet Poison Helpline: Onion
• Merck Veterinary Manual: Pancreatitis in Dogs and Cats
• Merck Veterinary Manual: Gastric Dilation and Volvulus in Small Animals
• Harvard T.H. Chan School of Public Health, The Nutrition Source: Brussels Sprouts
• U.S. Food and Drug Administration: Selecting and Serving Produce Safely

This article is for general information and is not a substitute for advice from your veterinarian.