What’s The Best Cat Food for Diabetic Cats?

best food for diabetic catIt’s normal to feel worried when your cat is diagnosed with diabetes. But please don’t feel too alarmed – the right nutrition and veterinary care can help your beloved kitty live its very best life, diabetes or not. By picking the best cat food for diabetic cats, you may even be able to reverse Type II feline diabetes, and you’ll certainly be able to help your cat manage its symptoms with the minimal of fuss.In this article, we explore the different products available for cats with feline diabetes. Our team reviews the best food for diabetic cats – wet and dry – and gives you all the advice you need to look after your kitty in the best possible way.

Quick Review: Top-3 Foods For Diabetic Cats

Blue Buffalo Wilderness High Protein, Natural Adult Dry Cat Food, Chicken 12-lb
Best Diabetic Food

Blue Buffalo Wilderness High Protein Grain Free

  • Contains omega fats, fishmeal and flaxseed
  • Helps your cat maintain a healthy weight
  • Contains chelated minerals
Merrick Backcountry Grain Free Wet Cat Food Real Rabbit Recipe Cuts in Gravy - (24) 3 oz. Pouches
Best Wet Food

Merrick Backcountry Grain Free Wet Cat Food

  • Uses chelated minerals
  • Low in fat
  • It is suitable for outdoor and less active cats
Best Cheap Food


  • No synthetic dyes or preservatives;
  • Gives your cat 16% fat and 36% protein
  • Includes fruits and antioxidant-rich fruits

What Causes Diabetes in Cats?

Diabetes Mellitus is a condition that relates to blood sugar levels and insulin. When cats develop diabetes, they are suffering from an excess of glucose in their blood, which triggers makes them feel dehydrated. They may drink more water, urinate more frequently, gain weight, act lethargic and more tired, or even throw up.

There are two ways that diabetes works. Let’s take a look.

Type I Feline Diabetes

best cat food for diabetic catsType I Feline Diabetes is when your kitty isn’t able to manufacture sufficient insulin. Your cat’s cells won’t be able to ‘pack away’ the sugar (glucose) in its’ bloodstream. As a result, your cat suffers from high blood glucose, also known as hyperglycemia.

Symptoms of Type I Feline Diabetes include, but aren’t limited to:

  • Increased urination;
  • Drinking water more frequently (usually much more frequently);
  • Crankiness or short-tempered behavior; and
  • Altered appetite – usually your cat’s appetite will grow, and it will seem to be hungry all the time.

Type I diabetes is usually treated with insulin injections, a low-glucose or low-carbohydrate diet, and regular monitoring of your cat’s blood sugar.

Type I Feline Diabetes

Type II Feline Diabetes is much more common than Type I diabetes, especially in obese or indoor cats. When a kitty has Type II diabetes, it does produce insulin, but its cells do not react to it in the proper manner.

Symptoms of Type II Feline Diabetes include, but aren’t limited to:

  • Heightened thirst – your cat will drink more;
  • Constant urination;
  • Bodyweight changes – typically, your kitty will gain weight;
  • Appetite loss or throwing up; and

As you can see, both types of Diabetes Mellitus have similar symptoms. This is just one of the reasons why it’s so crucial to get a vet’s advice if you suspect that your cat may be diabetic. Your cat’s vet will be able to recommend the best food for diabetic cats and can help you create a plan for the proper care and management of his symptoms.

Finding the Best Diabetic Cat Food

  • With so much to remember, where do we begin? Fortunately for you, fellow cat owners, the market is packed with great products that can alleviate your kitty’s symptoms, reduce its risk of complications, and enhance its quality of life.
  • So what should you look for in the best food for diabetic cats?

Low Carbohydrates, High Protein Content

  • In diabetic cats, blood sugar levels are directly related to their carbohydrate intake. Carbohydrates break down into glucose, and thus – a high-carbohydrate diet can be difficult for your kitty’s body to process.
  • If your cat is diagnosed with diabetes, the following tips are important to remember:
  • Your cat needs a controlled diet. Do not free-feed your fluffy feline unless you have been advised to do so by a medical professional. Instead, you should be feeding your cat with the best diabetic cat food possible, in regulated portions and accordance with a proper feeding schedule. If your cat requires insulin injections, this will help you stick to an appropriate schedule for monitoring his blood sugar and administering insulin.
  • Cut down on the carbs. The best food for diabetic cats will have a carefully-calculated proportion of carbohydrates, decreasing the likelihood of any dangerous blood sugar spikes in your best friend.
  • Increase protein. Protein helps all cats build and maintain the muscle they require to be healthy and happy. It also helps them to feel satiated when you are feeding them fewer, controlled meals.

Of course, every cat is different. Your particular kitty may have a preference for zero-grain food, for limited ingredients, for salmon, or for tender duck – whatever works for your little kitty, you’ll find it in our reviews!

How often to feed a diabetic cat?

The frequency in which you feed a diabetic cat will be a huge factor in how well their diabetes can be maintained. Since diabetes is a condition that relies entirely on a cat’s blood sugar, it’s important to make sure you create a schedule in which your cat’s blood sugar can be predicted and controlled.

When a cat is diagnosed with diabetes, they will then be prescribed a set amount of insulin that should be administered every 12 hours. In order for this to be an adequate treatment to manage their blood sugar, they will need to receive the same diet each day, and be fed at the exact same time each day as often as possible.

When a cat is diagnosed with diabetes, it’s best to feed them twice daily, about 30 minutes before you administer their insulin. It’s important to only feed them a set amount twice daily, as any diet change can have a huge affect on their blood sugar throughout the day.

If you have a diabetic cat, never give them their insulin until they have eaten their meal. If you give insulin when a cat’s blood sugar is low due to not eating, this can send them into a diabetic coma. If your cat did not eat their meal for whatever reason, make sure to call your vet before you administer their insulin.

Best Food for Diabetic Cat: Brands

Searching for dependable brands that make the best diabetic cat food? Here’s our list of some brands that you can trust and rely on, from Blue Wilderness to Solid Gold to Hill’s Prescription Diet. Check out these top-notch manufacturers and tell us which one your cat likes the best:

  • Blue Buffalo Wilderness High Protein;
  • Halo Spot’s Stew;
  • Purina Pro Plan Dietetic Formula;
  • Instinct Original Grain-Free;
  • Nutrisca Low-Carbohydrate High-Protein;
  • Ziwi Peak Grain-Free; and
  • Merrick Backcountry Grain-Free.

Best Dry Cat Food for Diabetic Cats

  1. Blue Buffalo Wilderness High Protein Grain Free, Natural Adult Dry Cat Food, Chicken
Blue Buffalo Wilderness High Protein, Natural Adult Dry Cat Food, Chicken 12-lb
15,103 Reviews
Blue Buffalo Wilderness High Protein, Natural Adult Dry Cat Food, Chicken 12-lb
Full of juicy chicken and 100% free from all grains, Blue Wilderness makes a superb cat food which will help to reduce your cat’s risk of blood sugar spikes.
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  • Uses rich-in-antioxidant ingredients, including kelp, vegetable juice, and sweet potatoes;
  • Gives your little kitty a wholesome 40% protein so they feel full for longer and create strong muscles;
  • Includes Omega fats from egg, fish meal, and ingredients such as flaxseeds;
  • Helps your cat maintain a healthy and manageable weight through added fiber; and
  • Features chelated minerals, which are easy for your feline friend to absorb and use.


  • We love Blue Wilderness – according to us, it’s perfect!
Our Verdict: 5/5
There are no wheat or corn products in here that might make your kitty feel unwell, so this fiber-rich recipe is ideal for gluten-free cats. With low carbs and plenty of protein, it’s a nice way to keep your cat’s blood sugar fluctuations to a minimum.
  1. NUTRISCA Potato-Free, Low-Carbohydrate, Grain Free, High Protein Dry Cat Food for Cats and Kittens
93 Reviews
Made from a succulent blend of salmon, garbanzo beans, veggies, and fruit, this low-carb recipe is suited for both kittens and adults. It’s fiber-rich and formulated to keep your kitty feeling satisfied while keeping his blood sugar under control.
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  • Doesn’t use any synthetic dyes, colors, or preservatives;
  • Includes quality meat products such as Menhaden meal and authentic salmon;
  • Fortified with essential vitamins, minerals, and natural ingredients like fish oil for DHA;
  • Gives your cat 16% fat and 36% protein; and
  • Includes fruits and antioxidant-rich fruits for an immune system boost.


  • Apparently, some owners found that this food smelled strongly in the house!
Our Verdict: 5/5
With Nutrisca, your diabetic cat can limit their carbohydrate intake and control their calories with a good selection of fruits and vegetables. This grain-free recipe is great for kittens and gluten-free cats.
  1. Purina Pro Plan Veterinary Diets DM DM Dietetic Management Dry Food
Purina Pro Plan Veterinary Diets DM Dietetic Management Feline Formula Dry Cat Food - 10 lb. Bag
$73.99 −$4.00
293 Reviews
Purina Pro Plan Veterinary Diets DM Dietetic Management Feline Formula Dry Cat Food - 10 lb. Bag
Rich in protein with restricted carbohydrate content, this Pro Plan recipe is designed especially for cats who are living with diabetes. On top of all this, it’s a great food for cats who need a special diet to avoid urinary crystals.
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  • Ripe with antioxidants from supplements and with a balanced diabetic cat formula, here is a recipe to help your cat fight off disease;
  • Contains very high levels of protein – 51%; and
  • Includes essential Vitamin E to take care of your cat’s skin and fur.


  • This recipe’s first ingredient is by-product meal, which is generally considered inferior to real, whole meats; and
  • It uses some sub-par filler ingredients such as soy protein isolate and corn gluten meal.
Our Verdict: 4/5
If your cat requires a natural diet that’s rich in protein, this recipe is a veterinary formula that is designed to give him exactly that. It promises to keep your cat feeling satisfied between meals while reducing their carbohydrate levels to control their blood sugar.
  1. Halo Spot’s Stew Cat Formula Grain-Free Hearty Chicken Recipe
Halo Indoor Dry Cat Food, Grain Free, Chicken & Chicken Liver, 10-Pound Bag
786 Reviews
Halo Indoor Dry Cat Food, Grain Free, Chicken & Chicken Liver, 10-Pound Bag
Halo cat foods never include any rendered meals – only whole poultry or game. With this tasty chicken formula, your cat can enjoy wholesome chicken liver and other protein-rich ingredients such as soy concentrate and garden peas.
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  • Uses plenty of fiber to promote better digestion and improve your kitty’s gut health;
  • Features natural sources of Omega fats, such as egg, chicken fat, and flaxseeds;
  • Includes L-Carnitine, a great way to enhance your fluffy friend’s metabolism and facilitate the movement of nutrients in the blood;
  • Does not use any GMO vegetables, and uses only sustainable fish products; and
  • It helps to keep your cat’s glucose levels in check.


  • Some cats with sensitive stomachs do not do well with this formula.
Our Verdict: 5/5
It’s critical for diabetic cats to stay at a healthy weight, and this low-fat, low-carb recipe is a great choice. If natural ingredients and a balanced, holistic recipe are important for your cat’s well-being, you’ll love this Halo formula!

Best Wet Food for Diabetic Cat

  1. Royal Canin Glycobalance Morsels In Gravy
ROYAL CANIN Feline Glycobalance Morsels In Gravy Can (24/3 oz) Cat Food
17 Reviews
ROYAL CANIN Feline Glycobalance Morsels In Gravy Can (24/3 oz) Cat Food
This diet is made specifically for diabetic cats in the hopes of regulating their blood glucose levels. This diet has a low carbohydrate count, a high protein count, and reduced starch and fat to help reduce weight gain in cats. This diet is highly recommended in the veterinary world for management of feline diabetes, and is possibly the most popular option for cats with diabetes. This diet is able to effectively control a cat’s blood sugar, and is tasty enough to keep cats coming back for more.
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  • Recommended diet by veterinarians
  • High protein count
  • Low carbohydrate count
  • Tasty flavor that cats love


  • It was really difficult to find a single bad review for this diet. Cats seem to love it, and it appears to be an effective option for managing a cat’s blood sugar.
Our Verdict: 5/5
We can’t find much wrong with this diet, and seems to be an effective way to help manage diabetes!
  1. Ziwi Peak Grain-Free Canned Cat Food Recipe
ZIWI Peak Canned Wet Cat Food – All Natural, High Protein, Grain Free, Limited Ingredient, with Superfoods (Venison,...
1,157 Reviews
ZIWI Peak Canned Wet Cat Food – All Natural, High Protein, Grain Free, Limited Ingredient, with Superfoods (Venison,...
Super-high in proteins and full of delicious ethically-sourced animal proteins, Ziwi Peak makes some of the best diabetic cat food online today. Its chunky texture is sure to tempt even the fussiest cats!
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  • Includes nutrient-rich tripe and exclusive green mussels for an anti-oxidant boost that will support your cat’s immune system;
  • Filler-free, sugar-free, and made without fake preservatives, Ziwi Peak is a natural, premium option that will satisfy picky eaters;
  • Includes a whopping 92% animal organs and meat for maximum protein and minerals;
  • Totally grain-free, this is perfect for diabetic cats who need to stay away from excess carbohydrates and glycerin; and
  • Offers 10% protein in every serving to maintain your cat’s muscle mass.


  • Ziwi Peak is a top-of-the-line recipe that might be considered expensive by some owners.
Our Verdict: 5/5
This recipe is ideal for cats with diabetes – it leaves out all the unnecessary extras that lower-priced foods sometimes include. So there’s no rice, soy, potato, or antibiotics, but it’s packed with diverse sources of high-quality protein.
  1. Instinct Original Grain Free Recipe Natural Wet Canned Cat Food
Instinct Original Grain Free Real Duck Recipe Natural Wet Canned Cat Food, 5.5 oz. Can, pack of 12
3,624 Reviews
Instinct Original Grain Free Real Duck Recipe Natural Wet Canned Cat Food, 5.5 oz. Can, pack of 12
USA-manufactured with quality global ingredients, here’s an Instinct recipe that is sure to satisfy your beloved kitty. It’s made with genuine meat and perfect on its own or on top of your cat’s dry food.
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  • Uses only a very select few quality ingredients, making it ideal if your kitty has a food intolerance;
  • Includes 95% turkey liver and duck, making it rich in nutrients and protein;
  • Doesn’t contain any potato, soy, or fake colors and preservatives;
  • Cage-free, humane duck is the main ingredient in this diabetic-friendly recipe; and
  • It helps to encourage healthy weight maintenance, which is important for diabetic cats.


  • According to reviews, some picky cats aren’t fans of this recipe.
Our Verdict: 5/5
With 95% meat and 5% quality vegetables, your cat will get all the protein and nutrients they need from this holistic, balanced formula. It’s a great choice for diabetic kitties who need to manage their weight and who do better on a diet of natural ingredients.
  1. Merrick Backcountry Grain Free Wet Cat Food
Merrick Backcountry Grain Free Wet Cat Food Real Rabbit Recipe Cuts in Gravy - (24) 3 oz. Pouches
$45.36 −$5.04
1,015 Reviews
Merrick Backcountry Grain Free Wet Cat Food Real Rabbit Recipe Cuts in Gravy - (24) 3 oz. Pouches
Starting with real boneless rabbit and moving on to wholesome meat broths, this nutrient-rich Merrick canned recipe is sure to delight. Prepared here in the States, it’s a good source of moisture for your diabetic kitty cat.
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  • Gives your grown cat 9% protein, helping to nourish and support their muscles while ensuring they feel satisfied;
  • Includes glucosamine- and Omega-fat-rich salmon oil, to look after your cat’s joints and keep their fur looking shiny;
  • Uses chelated minerals to promote better nutrient absorption;
  • Low in fat, helping your kitty maintain a healthy weight; and
  • It’s ideal for outdoor and less active indoor cats alike, as part of a balanced diet.


  • None that our team was able to spot – although it contains beef, which some cats cannot tolerate.
Our Verdict: 5/5
Available in convenient single-serve packets, these Backcountry meals make a delicious dinner for cats who require more moisture in their diets. Made in the USA with high-quality rabbit as the top ingredient, it’s a protein-rich meal for cats with Type II diabetes.


What should you feed a diabetic cat?

If you have a diabetic cat, there are some factors that you will need to consider on their food intake and frequency in which they are fed.

Like we already discussed, it’s important to stop free feeding your cat if you are currently free feeding. A diabetic will need to be fed the same amount of food, twice daily (ideally).

Though your veterinarian will often recommend a suggested diet for you, it’s good to have an idea of what should be expected in a proper diabetc diet. The best diets for diabetic cats will have limited carbohydrates, will have a high protein count, and have a controlled fat and calorie content since many diabetic cats are overweight.

What’s the first thing I should do if my cat has diabetes?

Good question. If you have noticed some potential signs of diabetes in your cat, the first thing to do is to get him checked out by a vet. With a professional diagnosis, you can get expert advice on how to continue giving him the very best care possible. There is no reason why your kitty can’t thrive and flourish with the right care!

If your cat has been diagnosed with Type I feline diabetes, you will then need to check his blood glucose levels on a regular basis. You might also expect to receive some new, different feeding guidelines from his vet, and you may even need to start injecting your pet with insulin. Regardless of what treatment the vet recommends, you will likely need to switch to the best diabetic cat food you can find. By keeping your pet’s blood sugar within a manageable range with fewer carbs and more protein, you’ll be able to reduce his risk of developing hyper- or hypoglycemia.

Do I need to inject my cat if he has Type II diabetes?

Not necessarily. Type I and Type II Diabetes Mellitus have different underlying causes, and if your cat is living with the latter, you do not always need to administer insulin to your best friend. Type II diabetes is the result of the body’s cells failing to react properly to insulin – and it’s by far the most common type of diabetes. Sometimes, it can be treated with short-term injections of insulin, but please always make sure you ask a veterinarian.

You should always get a vet’s advice when it comes to managing feline diabetes, but the usual treatments for Type II feline diabetes include:

  • Feeding your kitty a holistic, balanced diet;
  • Keeping a close watch on his symptoms, looking out for signs such as excessive thirst, weight gain, and food intake; and
  • Switching to an appropriate cat food for diabetic cats.

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