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.

3 Food Sources of Thiamine for Cats (Vitamin B1): Vet Reviewed Options

Share

Munchkin cat eating

We all want our cats to be healthy, happy, and with us for as long as possible. That’s why we take them to the vet for checkups, feed them high-quality, protein-filled food, and keep them indoors most of the time.

However, when cats are not fed enough vitamin B1, they can suffer from a thiamine deficiency (the lack of vitamin B1). There are a few foods that will ensure your cat gets the thiamine they need to be healthy and happy. We’ll discuss them and the signs of thiamine deficiency below.

|Important to Note:

“Vitamin B1 is an essential dietary nutrient, and cats must get enough of it in their diets to stay healthy. The vitamin is involved in many processes throughout your cat’s body. Cats require two to four times more thiamine per day than dogs. Feeding your cat a balanced and complete diet is key to their wellbeing.”

divider cats oct 2024

Top 3 Food Sources of Thiamine for Cats

1. Whole Grains

Whole grains are a great source of thiamine for your feline pal. Of course, cats don’t require large portions of whole grains, but you can find them in many cat foods. Some of the most common grains you’ll see in pet food brands include maize, brown rice, and oatmeal.

Although whole grains are a reliable source of thiamine, cats typically shouldn’t get more than 10% of their calories from carbohydrates.1 Therefore, it’s best to avoid carb-heavy cat treats and focus on meals and treats higher in meat-based proteins. Unless your veterinarian determines that your cat has a thiamine deficiency, they will get enough vitamin B1 from high-quality cat food.


2. Pork/Beef/Fish

Pork, beef, and fish are excellent sources of thiamine for your kitty. Several cat food brands use the proteins in their formulations, and you should look for brands that list pork, beef, or fish as the first ingredient. Cats are obligate carnivores and must eat a lot of protein to stay healthy.

If you serve meat or fish, ensure it’s cooked thoroughly. Raw and inadequately cooked fish pose a risk of thiamine deficiency for your cat. This happens because some fish and shellfish’s raw flesh and viscera contain an enzyme (thiaminase) that destroys thiamine (Vitamin B1).

As with anything else you cook and feed your cat, do not add seasonings and spices such as salt, garlic, and onions. Feeding your cat cooked meat without any seasoning is best to prevent an upset stomach or toxic reaction to garlic and onions.

can cats eat pork
Image Credit: WiP-Studio, Shutterstock

3. Legumes

Several legumes can help with your cat’s thiamine levels as well. Legumes are often listed as ingredients in cat food, but if your cat consumes any of the legumes below, ensure they are cooked without seasonings.

Thiamine levels are decreased when legumes are cooked, and it’s better to serve your pet cat food with thiamine because it’s formulated to include the proper amount. However, the legumes below can boost their thiamine levels:

  • Chickpeas
  • Green beans
  • Kidney beans
  • Black beans
  • Lentils
  • Lima beans
  • Peas
  • Soybeans
  • Pinto beans

These are not the only sources of Vitamin B1. It can also be found in other foods like liver, eggs, brewer’s yeast, and asparagus.

divider cats oct 2024

Signs of Thiamine Deficiency in Cats

Now that you know which foods will ensure your cat has enough thiamine to be healthy, we’ll list the signs of a thiamine deficiency below.

  • Ventroflexion: the cat’s neck is bending towards the floor or curling
  • Circling
  • Falling
  • Incoordination
  • Spastic or abnormal gait
  • Dilated pupils
  • Head is tilting
  • Opisthotonos: when the head, neck, and spine arch backward
  • Seizures
  • Stupor

How Is Thiamine Deficiency Treated?

Thiamine deficiency is treated with oral or injected medication if your cat already shows neurological signs. However, providing adequate quantities of thiamine with a diet change is the treatment of choice for this condition.

You can prevent the deficiency from happening by feeding your cat high-quality, protein-filled, balanced and complete cat food. An experienced veterinarian can be a great assistance with this, so don’t hesitate to give a call to one.

divider cats oct 2024

Conclusion

Thiamine deficiency is a condition that affects cats and dogs. A lack of vitamin B1 causes severe health issues that can lead to death. If you see any signs of thiamine deficiency in your cat, rush your cat to the emergency clinic immediately. If caught in time, the condition can be treated, but it can be prevented by feeding your cat well-balanced cat food containing thiamine sources like the ones we discussed.


Featured Image Credit: Twinsterphoto, Shutterstock

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.


Catster's Digital Magazine is Back!

Vet-approved health & behavior advice

Real cat stories & community features

When a Cat Becomes a Water Fountain – Why Cats Vomit After Drinking

Seeing a cat drink water and then promptly bring it back up can be confusing. Sometimes the explanation is fairly simple, particularly if...

Chatting About Sleeping Positions, Loafing & Cats in Tubes | Chatty Cattys, Episode 33

In this episode of Catster’s Chatty Cattys podcast, Dr. Karyn and Nicole dive deep into the fascinating world of feline sleep behaviors. From...

The Bite Stuff: The Truth Behind a Cat’s Sudden Nip

A cat bite that seems to come out of nowhere is one of the more confusing things a cat owner deals with. Everything...

Your Cat’s Purr Proves They’re One of a Kind

There are few sounds more comforting to a cat parent than the familiar rumble of a purring cat. You probably know your own...

More related

8 Best Cat Foods for Healthy Skin & Coats in 2026: Reviews & Top Picks

We all want our felines to be happy and healthy. However, sometimes they have problems with their skin and coat. It may be...

Brook Farm Veterinary Center | Heroes of The Pet World

Veterinarians, vet technicians, practice managers, rescuers, behaviorists, nutritionists, trainers, volunteers, and other animal professionals are the backbone of pet ownership. Helping pets and...

My Cat’s Grinding Their Teeth: Our Vet Explains

Sadly, teeth grinding is one of the behaviors we don’t want to see in our cats because it’s not just a quirky habit,...

Are Himalayan Cats Hypoallergenic? Vet-Verified Breed Facts & Allergy Tips

Are you a feline fanatic who suffers from cat allergies? It might seem like a cruel twist of fate to love an animal...

Keep reading

Why Does My Cat Move Their Water Bowl? 4 Vet Verified Reasons

Cats are curious creatures. They are entertaining but can certainly be a challenge at times. Cats can also leave you scratching your head at some of their peculiar habits. One of those habits is moving their water bowl before they...

bengal cat playing water in the bowl

How to Give Your Cat a Massage: 11 Vet-Approved Tips & FAQ

When we want to pamper and treat ourselves, we book a 45 or 60-minute massage with our favorite masseuse. But have you ever wondered what your cat could do to relax? While massages aren’t known to relax cats in the...

Massage of the cat's hind leg

Do Cats Masturbate? Feline Behavior Explained

Sometimes, being a pet owner means dealing with awkward situations. Many dog owners complain about their pet’s tendency to hump objects, but did you know that cats can also display similar behavior? Obviously, this can be an uncomfortable and unpleasant...

brown cat licking grooming its genital

How to Cool Down a Cat: 9 Vet-Approved Tips

When the hot weather rolls around, it is imperative to know how to look after your cat. All felines, just like humans, can be at risk of overheating when it’s hot and humid, with the potential of causing heatstroke. Although...

blue-tabby-maine-coon-cat-playing-water

Do I Need to Get My Indoor Cat Vaccinated? Vet Approved Facts & Safety Guide

If your cat is an indoor cat that rarely ventures outside, their chances of injury and illness are likely lower, but does this mean they won’t need to be protected against any potential diseases? Veterinarians recommend all cat get their...

back-view-of-two-cats-looking-out-the-window

Feline AIDS: Vet-Reviewed Signs, Causes & FAQ

Feline AIDS is a retrovirus infection that attacks a cat’s immune system by targeting the white blood cells. This causes their immune system to become weaker than normal, putting them at higher risk of illness for diseases and complications completely...

hand holding cat's feline AIDS test with positive result

Are Cast Iron Plants Toxic To Cats? Vet-Reviewed Houseplants Examined

If you have a green thumb and a cat obsession, you know that your two great loves don’t always coexist seamlessly. Not all flowers and plants are safe for cats, so caution is required any time you add to your...

Catster_Are Cast Iron Plants Toxic to Cats

5 Egyptian Mau Health Problems to Watch Out For

Egyptian Maus share a long history with humans, as their name would suggest, but their connection to ancient Egyptian cats has not been entirely confirmed. They’re known for being shy and cautious around strangers but outgoing, playful, and fearless when...

Catster_Health Problems of Egyptian Mau

Love Cats? So Do We! Join the Catster Community

Stay informed with expert pet care insights delivered straight to your inbox! Discover professional guidance on animal behavior, feeding tips, trusted product picks, and much more.




Sign up for the Catster Email Newsletter

Stay informed with expert pet care insights delivered straight to your inbox! Discover professional guidance on animal behavior, feeding tips, trusted product picks, and much more.