Best Cat Food for Weight Loss

We all love our fur-babies, so when they cry for that little bit more food we’ll happily give it to them.

Another treat? Sure thing! A piece of chicken from your plate because you just can’t resist those puppy-dog eyes.

We all love to spoil our furry friends, but all this extra food can lead to weight gain over time. Just like us, our cats will put on weight if they eat more than their daily portion of food, and just like us, excess weight puts our cats’ health at risk.

But don’t worry. If you’ve noticed that your cat has put on a little extra fat, this can be easily remedied.

A diet might make your cat unhappy, but changing their food to a healthier option will allow them to lose weight without realizing they are missing out. There are lots of different cat food options for weight loss available, and it can be confusing to know what options are the best.

That’s why we’ve put together this handy guide packed full of all the best products on the market, and all the information you need to know to get your tubby tabby back to a healthy weight. 

In a hurry?

If your cat desperately needs to lose a few pounds, you should consider the Blue Buffalo Weight Control dry food.

This crunchy kibble is packed full of great features which have made us rank it as the best on the market, including:

  • Made with real meat for lots of protein. 
  • Excludes common allergens from its recipe
  • Contains an optimal blend of protein and calories for weight loss. 
  • Contains Omega 3 and 6 for a healthy coat.

Top 5 Best Cat Food for Weight Loss


Our favorite choice is the Blue Buffalo Weight Control dry food. This excellent food is designed to help your cat lose the excess weight they have put on.

It is available in 3 different sizes so you can choose between a 3, 7, or 15-pound bag of kibble. It comes in chicken and brown rice flavor which is both wheat and soy-free which is excellent as these are common allergies in cats.

It is made with real, high-quality chicken to provide lots of protein for your cat as well as whole grains, fruits, and vegetables for a balanced diet.

This food is created with an optimal blend of protein and calories to allow your cat to achieve and maintain a healthy weight throughout their lifetime. 


  • Available in different sizes
  • Made with real meat
  • Allergen-free
  • Omega 3 & 6 for healthy fur
  • Protein for weight loss


  • No notable drawbacks


Another excellent choice is the Instinct Raw Boost food for healthy weight. This is the only product on this list which is made with raw meat to aid your cat’s diet.

This food is only available in a 10-pound bag which combines high protein, grain-free kibble with natural bites of freeze-dried raw chicken to give your cat the best diet.

If you are interested in free-range products, you will be happy to hear that the chickens used in this cat food have all lived a care-free lifestyle. 

It is made without all common cat allergens and contains a fat burner called L-carnitine to boost your cat’s metabolism, as well as the perfect fiber level to ensure your cat feels full.

This cat food contains 25% less fat and 15% fewer calories to give your cat a perfect, balanced diet which will also help them lose weight. 


  • Frozen cage-free chicken
  • Allergen-free
  • 25% less fat
  • 15% fewer calories
  • L-carnitine for metabolism boost


  • Only available in one size


You should also consider the Hills Science Diet Perfect Weight dry food.

If you have a cat that is suffering from any particular ailment, Hills Science is always a good option to consider as they have different cat foods for a lot of different conditions.

This great food is available in 3, 7, or 15-pound bags and comes in a roasted vegetable and chicken flavor.

It is scientifically proven to increase weight loss within 10 weeks of the switch to this formula through its natural ingredients, and high protein. 

This formula is vet recommended, and a great choice if your cat needs to lose weight. 


  • Different sizes 
  • Scientifically proven 
  • Natural ingredients 
  • Weight management


  • Available in one flavor


If your cat prefers wet food, a good choice is the Purina One Adult Ideal Weight wet food.

This food also comes in two different flavor options: chicken or salmon. They come in 3oz cans with 24 cans available in each pack.

The main ingredient of this food is the real meat used which provides high protein to help support strong muscles.

It has a blend of vitamins, minerals, and nutrients, as well as L-carnitine to help your cat's body convert fat into energy naturally. 

This food supports healthy metabolism and is a great choice to help your cat lose weight. 


  • Flavor choices
  • Lots in a pack 
  • L-carnitine for weight loss
  • High protein


  • Excess packaging


Finally, you should consider the Royal Canin feline care weight care if your cat prefers wet food. Similarly to the Purina food, this also comes in 24 packs of 3oz cans.

This product is pork flavored and consists of thin pork slices soaked in gravy. This cat food was formerly known as ‘ultralight’ and it helps promote healthy weight by containing 15% fewer calories.

It has a high amount of protein for lean muscle mass and comes enriched with L-carnitine for healthy metabolism and weight management.

This food has been proven to work with an over 90% success rate when used exclusively for 2 months as part of your cat’s diet.

With all this combined, it is clear that this is one of the best options on the market. 


  • Scientifically proven 
  • 15% fewer calories
  • L-carnitine for weight loss
  • High in protein


  • Excess packaging 

Best Cat Food for Weight Loss Buying Guide

It is so easy for our cats to become overweight. It’s surprising how easily an extra treat here and there can build-up to a few extra pounds over time.

There are a variety of weight loss foods on the market, and this can make it difficult to tell which one is the best.

That’s why we’ve put together this helpful guide to aid you in your purchase, and ensure you buy the best option for your furry friend. 

Is My Cat Overweight?

The first thing you should ask yourself is “Is my cat overweight or obese?”

Obesity is the unhealthy accumulation of fat on your cat’s body. To identify if your cat is overweight, over even obese, you must begin by checking their bodyweight. You can identify your cat’s ideal weight by consulting with a veterinarian.

They will calculate your cat’s ideal weight based on their breed, age, and body type, including their size. This will differ from cat to cat, but most domestic cats have an ideal weight of between 8 and 10lbs. 

To determine if your cat is overweight from this number you should weigh them. From there you can calculate the percentage of excess body weight they have. If your cat is between 10 and 20% above their ideal weight then they are overweight, if they are more than 20% above this number then they are obese.

If you do not have a calculator to hand you could alternatively check your cat’s weight by looking for excess fat, monitoring lethargic behavior, and feeling your cat's ribs. You should be able to feel them through your cat’s skin, and if you are unable to do so your cat is likely overweight. 

Wet vs Dry 

One of the main things you should consider when buying cat food is whether you should buy wet food or dry food. Both types have their benefits and their disadvantages, and ultimately it will come down to preference by your fur-babies.

Dry food tends to be cheaper, less messy (and easier to clean up), and much better for dental care as it can actively clean your cat’s teeth while they chew. 

But wet food might be the better choice if you want your cat to lose weight. Wet food has a lot of moisture which makes your cat feel fuller more quickly. As your cat feels full they will eat less and this will reduce their food intake, making them lose weight.

If you are concerned about your cat's weight, your vet might recommend a specific diet of either wet or dry food, or a combination of both. But ultimately it will come down to your cat’s personal preference.

Just like us, cats can be incredibly picky with food, so if your cat will only eat dry food you should pick dry food for weight loss and vice versa. 

Things to Consider

If you want to take a more in-depth approach to your cat’s weight loss journey, there are some things you can look for within weight loss foods to make sure they are the best for you. There are three main things you should keep an eye out for: protein, real meat, and fiber. 

It is vitally important that your cat’s diet includes meat. This should be real meat, and it shouldn’t be processed. Cats are carnivores, they are natural predators and they need to eat real meat to remain healthy. They should also get a balance of other nutrients to remain healthy.

Secondly, you should look for protein. A lot of this will come from the use of real meat within your cat’s diet. For your cat to lose weight you should be looking for a diet that is between 35-45% protein. This protein will provide the feeling of fullness, as well as retain lean muscle mass and stimulate your cat’s metabolism for faster digestion.

Finally, for your cat to lose weight you should look for food that is high in fiber. This is a good addition as fiber provides moisture to the food which boosts the metabolism and stops your cat from feeling hungry as often. 

Other Factors

Finally, there are some other factors you should consider which may apply to your cat depending on their lifestyle. You should consider how overweight your cat is, as different foods will be more or less important depending on how overweight they are. 

If your cat is only slightly over their ideal weight, you might find that food which is advertised as “light” may be better than a weight-loss food. Foods that are advertised as “light” or “lite” are made with fewer calories rather than less fat. This will help your cat shed that little extra weight they are carrying around without dropping under their ideal weight.

You should also consider if your cat is an indoor cat. Cats who live exclusively indoors live a much different lifestyle than those who roam outside. This makes it quite common for indoor cats to become overweight. They tend to exercise less and eat more which overall contributes to them putting on more weight.

If your cat is an indoor cat you should consider an indoor formula for their food. These foods contain fewer calories which will allow your cat to live their usual lifestyle without putting on excess weight. 

Frequently Asked Questions

How do I know if my cat is overweight?

You can usually tell if your cat is overweight by simply looking at them.

You will also be able to tell by picking them up or feeling their ribs. If you are unable to feel your cat’s ribs beneath their skin, they are overweight. 

Should I leave food out for my cat throughout the day?

It is common for people to leave dry food down for their cat throughout the day.

This removes the need for you to put down multiple plates throughout the day and makes your job easier. 

How do I know if my cat is hungry or begging?

Cats are very clever animals. If you usually have a set meal time when they have food, they will be able to tell if that time has passed without you feeding them.

If this happens you will likely find your cat crying out for attention to try and get you to give them their food for the day.