Get

In Your Inbox

Catster is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no cost to you. Learn more.

Can Cats Eat Cornstarch? Vet-Reviewed Health Risks & Advice

Can Cats Eat Cornstarch

Cornstarch is one of those foods used as an ingredient in a variety of things. You may eat cornstarch without even realizing it because it is often used in foods as a thickener for a variety of foods, including stews, sauces, soups, and desserts.

It is often present in recipes in very small quantities due to its efficacy as a thickener, generally only appearing in teaspoons and tablespoons for entire recipes. Is cornstarch a safe ingredient for your cat to eat, though? After all, many people share nibbles of “people” food with their cats as a treat. If you share human food with your cat, you need to know that cornstarch is not an ideal food for cats for a few reasons. Keep reading to learn more about cats and cornstarch.

divider 3 paws

Can Cats Eat Cornstarch?

Cornstarch is not an ideal food for cats for a few reasons. The primary reason is that cats are obligate carnivores, which means they not only require meat proteins to survive, but they also require little to no plant matter in their diet. Cornstarch is made from ground corn, so it is not a requirement for cats to have in their diet. Overfeeding carbohydrates, like cornstarch, can lead to stomach upset and diarrhea, as well as obesity and obesity-related diseases like diabetes in the long run. Overall, though, cornstarch is not a harmful thing for your cat to consume.

Cornstarch and other food starches that have been processed and cooked are extremely digestible, even for obligate carnivores like cats. This does mean that cornstarch as an additive in cat foods can be a good addition due to its high digestibility and low likelihood of leading to stomach upset. On its own, cornstarch doesn’t give complete nutritional value, so it should not be used as a meal or snack.

Russian Blue Cat eating
Image Credit: slawomir.gawryluk, Shutterstock

Is Cornstarch Healthy for Cats?

Cornstarch in and of itself isn’t a healthy food for cats. However, one study indicated that cornstarch may be less allergenic to both dogs and cats than other carbohydrate sources. Cornstarch showed lower allergenic potential than corn flour did. Cornstarch is often included as an ingredient in hydrolyzed protein foods, which are fed to pets with extreme food allergies and sensitivities.

Hydrolyzed protein foods are highly processed in such a way that reduce the proteins in the foods to the point that the immune system won’t recognize them. This eliminates the chance of an immune reaction to the food, which is what causes allergy symptoms, like hair loss and itchiness. Cornstarch is an effective thickener and binder that can be used in cat food, and since it shows a lower risk of being allergenic to pets, it can be a healthy addition to cat food. However, it is not healthy to feed your cat large quantities of cornstarch.

corn starch in wooden bowl

Does Cornstarch Have Other Benefits for Cats?

Yes, there are other uses for cornstarch and cornstarch-based products for your cat. Some people use cornstarch-based baby powder and even straight cornstarch to sprinkle on their pet. If you brush cornstarch through your kitty’s fur, it can help absorb oils and reduce greasiness. This can be beneficial to cats that are extra oily due to poor grooming habits or health problems, but it is not necessary for most healthy cats as this can lead to excessive dryness of the skin. It can also be used to loosen up hair and help break up tangles if you’ve gotten behind on your cat’s grooming.

Cornstarch and cornstarch-based products can also be used as litter box deodorizers. Simply sprinkle the cornstarch directly into the litter and mix it well. It will help absorb excess moisture and trap odors, reducing mess and odors from your litter box. It may be less effective than commercial litter deodorizers and things like carbon and baking soda, but it still can be quite effective.

divider 1 paws

In Conclusion

Cornstarch has shown itself to be a highly effective and beneficial addition to cat foods due to its thickening and binding abilities and its high digestibility. It is less allergenic than many other carbohydrates can be for cats, especially those with food sensitivities.

However, you should not be feeding cornstarch directly to your cat as it is not a complete nutrition source.

Want content like this delivered to you?

Sign Up For Our Newsletter

News, insights, expert advice, and everything cat

* By submitting, you agree to our Terms & Conditions and Privacy & Cookies Policy.

How useful was this post?

Click on a star to rate (you can leave written feedback after clicking submit)

Help us improve Catster for pet parents!

Your feedback really matters.

What did you like about this post? Also how can we improve it?

Join the conversation

Leave a Reply

You’re very welcome to leave a comment or question. Please know that all comments must meet our community guidelines, and your email address will NOT be published. Let’s have a positive and constructive conversation.

Talk With A Vet Online

Peace of mind,
anywhere, anytime

Affordable vet advice

Are Forget-Me-Nots Toxic to Cats? Vet-Reviewed Houseplants Examined

If you’re a flower fanatic, you have undoubtedly seen and adored the lovely forget-me-not. Woodland forget-me-nots (Myosotis sylvatica) are a species of perennial...

8 Super Bowl Party Safety Tips for Your Cat You Need to Follow

Super Bowl parties are the highlights of some people’s winter seasons. It can be a blast to get a bunch of friends together...

Does Boric Acid Kill Fleas on Cats? Vet-Reviewed Use & Safety Guide

Having fleas on your pet and in your home is a terrible nuisance. Not only do they cause skin irritation for your pets,...

8 Best Flea Killers for Your Yard in 2025 – Reviews & Top Picks

When the seasons change, it can pose a big issue for indoor/outdoor pets and their homes. Even if your animal only goes out...

More related

Are Venus Flytraps Poisonous to Cats? Vet-Reviewed Houseplants Examined

Getting new plants when you are a cat owner requires a bit of research beforehand. Many plants pose a potential threat of toxicity...

Anemia in Cats: Signs, Causes & Prevention (Vet Answer)

Anemia is an insidious disease that can affect your cat. Unfortunately, veterinarians often diagnose anemia when it has progressed to being a significant...

10 Best Cat Shampoos of 2025 – Reviews & Top Picks

Cats are notorious for wanting things on their own terms. They are solitary creatures that feel they can do everything for themselves, including...

Cat Daycare: How to Tell if It’s Right for You

Some cats thrive on being alone all day while you’re at work, but others may get anxious or lonely alone. You can’t stay...

Keep reading

Why Does My Cat Grab & Bite My Arm? 6 Vet-Reviewed Reasons & What to Do

Cats are often unfairly stereotyped as moody and unpredictable animals. While many dedicated cat lovers would argue otherwise, our feline friends sometimes display behavior that’s hard to understand. For example, some cats seem like they enjoy petting but will quickly...

cat biting owner

How to Pick Up & Hold a Kitten: 7 Vet-Reviewed Expert Tips

Congratulations if you’ve recently adopted a kitten or are caring for a litter of little ones! Between their sweet little meows and naughty antics, kittens can make even the most stoic among us fall in love. Although kittens often engage...

man holding two cute canadian sphynx kittens

Are Geckos Poisonous to Cats? Vet-Reviewed Dangers & FAQ

Geckos are not venomous or poisonous to cats and dogs, but they can carry a liver fluke, the trematode parasite Platynosomum fastosum, which can potentially cause serious illness. The condition that it causes is sometimes called “lizard poisoning.” Read on...

leopard gecko

Treating Heartworm Disease in Cats: Can It Be Cured? Vet-Approved Info

Finding out your cat may have heartworm can be a shock, although the diagnosis may be quite challenging to establish. Heartworms are parasites that live inside the heart and large blood vessels, causing it to function incorrectly and even stop...

bengal cat and vet

Can I Feed My Cat Different Brands Of Food? Vet Approved Advice

As humans, we can’t imagine eating the same food over and over again, so when it comes to our cats, is variety really the spice of life, or will our furry friends fare better on the same diet for their...

woman giving food to her cute domestic cat at home

8 Best Cat Foods in Australia of 2025 – Reviews & Top Picks

One of the most important things that you can do to help ensure that your cat lives a long and healthy life is to feed them a high-quality diet. As the old saying goes, “You are what you eat,” which...

persian cat eating dry food from bowl

How to Keep a Barn Cat From Running Away: 7 Easy Tips

If you’ve ever lived on a farm, chances are you’ve had a few barn cats keeping tabs on the property, whether you meant to have them or not. Barn cats are feral or semi-feral animals skilled at controlling the vermin...

a feral barn cat relaxing in the shade

5 Natural Home Remedies For Ear Mites in Cats (Vet-Verified)

If you’re a long-time cat owner, chances are you’ve had a run-in or two with cat ear mites. Ear mites are very common in cats, and they’re usually accompanied by itching and scratching, clear discomfort or inflammation around your cat’s...

woman-cleaning-cat-ear