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Can Cats Drink Oat Milk? Do They Enjoy the Taste? (Facts, & FAQ)

David Fields
Last Updated on
by David Fields

You might wonder if that new carton of oat milk in your fridge is safe for your cat to drink. The short answer is yes; cats can drink oat milk. But as with anything new you introduce to your cat’s diet, it’s always best to consult your local vet first.

Oat milk is a fantastic source of minerals and essential vitamins. It’s also low in fat and calories. Oat milk is lactose-free milk, so if your cat is lactose intolerant, this might be a great alternative to cow’s milk.

That said, there are a few things to consider before feeding your cat oat milk. This article will discuss both pros and cons of oat milk for cats, how to introduce it to your cat’s diet, and some frequently asked questions.

Can Cats Drink Oat Milk?

So, can cats drink oat milk? Yes, cats can drink oat milk under a certain volume because oat milk is non-toxic to cats.

Oat milk is high in minerals and vitamins, and it’s a low-fat, low-calorie drink. Oat milk is also lactose-free, so it’s a fantastic alternative to cow’s milk.

Cat Drinking Oat Milk
Cat Drinking Oat Milk

However, while oat milk is a nutrient-dense food source for cats, it’s important to remember that cats are obligate carnivores. Cat bodies are designed to digest and use animal-based proteins, fats, and nutrients better than plant-based ones. So, while oat milk is safe, it’s not the ideal source of nutrition.

Another factor is that while oat milk is lactose-free, it does contain a sugar called maltose. Maltose is metabolized differently than lactose, but it can still cause digestive upset in some cats. So it’s crucial to start with a small amount of oat milk and see how they tolerate it.

Is Oat Milk Healthy for Cats?

Oat milk might be good for some cats and not as beneficial for others, depending on the cat’s breed, health, age, nutritional needs, and taste preferences.

Regarding common nutritional components and results, here are the main potential benefits of oat milk for cats.

Vitamins and Minerals

Oat milk is a fantastic source of various minerals and vitamins. It’s especially high in the following:

  • Vitamin A
  • Vitamin D
  • Calcium
  • Phosphorus

Low-Calorie and Low-Fat

Oat milk is also low in fat and calories. This fact can benefit obese cats or those who need to lose weight.


Oat milk is lactose-free, so it’s a beneficial wet food for lactose-free cats.

Maintains Stable Blood Pressure

Oat milk also has a unique soluble fiber called beta-glucan. This type of fiber can help maintain stable blood sugar levels and healthy blood pressure.

Aid in Digestion

The high fiber content in oat milk can also aid digestion and prevent constipation, making it a good food for cats with digestive issues.


Oat milk is also an exceptional source of potassium, an electrolyte that helps keep cats hydrated. Low blood potassium, or hypokalemia, is dangerous for cats, so a good source high in this mineral can be beneficial.

High in Antioxidants

Another potential benefit of oat milk for cats is that it is high in antioxidants. These nutrients help protect cells from damage and support a healthy immune system.

Possible Negative Reactions of Oat Milk for Cats

While oat milk is generally fine for cats, there are a few potential adverse reactions to be aware of. These include the following:

Allergic Reactions

Some cats may be allergic to oats or other ingredients in oat milk. If you believe your cat has had an allergic reaction, stop feeding them oat milk and call your vet.

Digestive Issues

As mentioned, oat milk contains maltose, which can contribute to some cats’ digestive upset. If you notice your cat having loose stools or vomiting after drinking oat milk, stop feeding it to them and call your vet.

Weight Gain

Oat milk is high in calories and can cause weight gain if fed in large amounts. If you’re concerned about your cat’s weight, talk to your vet about how much oat milk is safe to feed them.

How To Introduce Oat Milk to Your Cat Safely

If you want to add this drink to your cat’s diet, start slowly. Start with two teaspoons, and see how your cat tolerates it. If they don’t have any adverse reactions, you can slowly increase the amount you give them.

It’s also important to remember that oat milk does not replace water. Cats need to be hydrated, so ensure they have access to fresh, clean water at all times.

How Much Oat Milk Should I Feed My Cat?

You should start with a small amount. But what exactly does that mean? A good rule of thumb for introducing this milk is to start with about two tablespoons. If your cat enjoys the taste, you can let them have it as a treat every few days.

Remember, oat milk is high in calories, so don’t overdo it. If you’re concerned about your cat’s weight, talk to your vet before feeding them oat milk.

Do Cats Enjoy the Taste of Oat Milk?

Cat Enjoying the Taste of Oat Milk
Cat Enjoying the Taste of Oat Milk

Some cats seem to enjoy oat milk, while others don’t seem to be as fond of it.

Why Cats Might Like Oat Milk

Oat milk’s high fat and calorie content can make it a delicious treat for some cats. The sweetness of oat milk may also be appealing to some felines.

Why Cats Might Not Like Oat Milk

The texture of oat milk can be off-putting for some cats. The maltose in oat milk may cause upset stomach issues, which might make them opposed to trying it again next time.

If your cat doesn’t like the taste of oat milk, you can try mixing it with their favorite wet food or treats. You can also try giving them lactose-free cow’s milk or another type of dairy-free milk.

Otherwise, you shouldn’t force them to eat oat milk, as it is not a necessary component of their diet.

Frequently Asked Questions About Oat Milk and Cats

Here are answers to some commonly asked questions about oat milk and cats.

Can kittens drink oat milk?

Yes, kittens can drink oat milk, but it’s crucial to start with a small amount and see how they tolerate it. Kittens are more prone to digestive upset than adult cats, so it’s important to watch for potential problems.

Is oat milk bad for cats?

No, oat milk is not bad for cats. However, there are a few potential negative reactions to be aware of, such as allergies, digestive issues, and weight gain. Always start with a small amount and see how your cat tolerates it before giving more.

Can my cat drink oat milk every day?

Given the high calories and sugars in oat milk, you should consider it more a treat for cats than an everyday component of a healthy diet.
If you do choose to give your cat oat milk every day, ensure they’re getting plenty of fresh water and just a small amount.

My cat won’t drink oat milk. What should I do?

If your cat doesn’t seem interested in drinking oat milk, try mixing it with their favorite wet food or treats to see if they like it that way. Otherwise, there’s no reason to force your cat to drink oat milk.

Is oat milk better than cow’s milk for cats?

While neither should be incorporated regularly into your cat’s diet, oat milk is the better option for an occasional treat. It is less likely to cause stomach issues and is lower in calories.

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About David Fields
David Fields
David Fields is a long-time animal lover and has been blessed to share his life with many companions. A short list includes ragdoll cats, siberian husky and greyhound dogs, an African Grey parrot, many fish of all sorts, and a pandemonium of parakeet. He writes most of the articles on iPetCompanion and is regularly featured on other popular websites on the Internet.
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