What Pet Owners Need to Know About Dogs and Cinnamon Safety

If your dog has ever gotten curious about your kitchen spices, you’re not alone. That cinnamon-scented cloud from your baking might seem harmless, but when it comes to dogs and cinnamon, the answer isn’t quite that simple.

The Bottom Line: Small Amounts Are Fine, Large Amounts Aren’t

Here’s what you need to know: a small amount of cinnamon won’t harm your dog. If your pup inhales a little powdered cinnamon or takes a tiny taste, they’ll likely be fine without veterinary care. However, excessive cinnamon consumption can trigger serious health issues, which is why moderation matters.

According to veterinary toxicologists, less than a teaspoon of powdered cinnamon is the safe threshold for adult dogs. Just a few drops of concentrated cinnamon extract, on the other hand, can be toxic—so keep these extracts completely out of reach.

Why Some Cinnamon Is More Dangerous Than Others

Not all cinnamon poses the same risk. The type you’re using in your kitchen makes a difference:

Cassia Cinnamon (the common supermarket variety from Southeast Asia) contains coumarin, a compound that can cause concerning symptoms including vomiting, diarrhea, liver damage, abnormally low blood sugar, and irregular heartbeats. This is the riskier option for dogs.

Ceylon Cinnamon (“true cinnamon” from Sri Lanka) contains minimal coumarin, making it substantially safer if your dog accidentally encounters it. However, it’s still best to avoid intentional feeding.

What About Cinnamon in Different Forms?

Cinnamon Sticks: While not immediately toxic in small quantities, sticks present a choking hazard and can irritate your dog’s mouth and digestive tract. They’re best avoided entirely.

Cinnamon Oil and Extracts: These concentrated products are considerably more dangerous. Their high potency means even tiny amounts—just a few drops—can damage skin, irritate eyes, upset the digestive system, and in severe cases, cause liver disease and heart rate abnormalities.

Cinnamon-Flavored Foods: Many commercial treats and holiday foods (cinnamon rolls, cinnamon toast) contain additional hazards beyond cinnamon itself. Raisins, xylitol (artificial sweetener), excess sugar, and high fat content create a cocktail of risks that make these strictly off-limits.

Special Considerations for Puppies

Puppies deserve extra caution. Their digestive systems and toxin-filtering organs aren’t fully developed, meaning they’re more vulnerable to negative effects even from tiny amounts of spice. It’s best to keep all cinnamon away from puppies entirely and stick exclusively to complete commercial puppy food, with supplements only under veterinary guidance.

Healthier Alternatives to Cinnamon

While cinnamon may contain some antioxidants, veterinarians recommend skipping it in favor of safer, more nutrient-dense options. Better choices include:

• Blueberries
• Carrots
• Apples (without seeds)
• Bell peppers
• Strawberries
• Cantaloupe
• Broccoli
• Cucumbers

These foods provide genuine nutritional benefits without any risk—a much smarter choice for your pet’s health.

When to Call Your Vet

Contact your veterinarian immediately if your dog has consumed a large quantity of cinnamon or if you suspect exposure to cinnamon oil or extract. You can also reach the Pet Poison Helpline at 855-764-7661 or ASPCA Animal Poison Control at 888-426-4435 for guidance on whether the exposure is concerning. Note that these services may charge consultation fees, but they can help determine if veterinary care is needed.

The Safe Approach to Dogs and Cinnamon

Bottom line: cinnamon can appear in commercial pet foods and treats in minimal amounts because it’s safe at low levels and appeals to dogs’ palates. However, don’t intentionally add cinnamon to your dog’s meals or treats at home. Keep powdered cinnamon, sticks, oils, and extracts secured away from curious noses. When it comes to keeping your dog healthy, stick with proven nutritious alternatives—they’re safer and far more beneficial.