Best Diet Cat Food

Over the few years, obesity has turned into a great problem affecting humans. What you might not be aware of is that obesity is now affecting animals as well. If you are reading this, your cat is probably one of those animals affected and you require the best diet cat food! Like in humans, a lack of exercise and having unhealthy eating habits contribute greatly to cat weight gain. When the weight gain is left unattended, it could very well transform into obesity.

Obesity is a serious condition. In the past, most cat parents thought it signified a healthy cat. However, contrary to popular belief, obesity can be limiting in movement, which leads to some negative impact on your cat's health. Now, if your cat has put on some extra weight, you have to take action and help your cat lose weight. With a normal weight, your cat will look healthier and happier too.

Diet Cat Food Comparison Table

NameMain IngredientsProteinFatFiberPricing
Instinct Raw Boost Grain Free Recipe Natural Dry Dog Food by Nature's VarietyChicken, Turkey Meal, Peas, Chicken Meal, Tapioca, Menhaden Fish Meal, Dried Tomato Pomace33.09%11%15%Click Here
Solid Gold Holistic Grain Free Weight Control Cat Foodollock, Peas, Tapioca, Chickpeas, Turkey Meal, Pea Fiber, Pollock Meal30%8%10%Click Here
BLUE for Cats Adult Dry Cat FoodDeboned Chicken, Chicken Meal, Oatmeal, Whole Ground Barley, Whole Ground Brown Rice, Salmon Meal (source of Omega 3 Fatty Acids)30%9%9%Click Here
NUTRO Specialized Care Adult Dry Cat FoodChicken, Chicken Meal, Pea Protein, Whole Brown Rice, Brewers Rice, Split Peas, Dehydrated Alfalfa Meal33%9%11.5%Click Here
Natural Balance Fat Cats Dry Cat Formulahicken Meal, Salmon Meal, Pea Protein, Garbanzo Beans, Peas, Oat Groats, Dried Beet Pulp35%9.5%9%Click Here
Wellness Complete Health Natural Dry Cat FoodDeboned Chicken, Chicken Meal, Rice, Barley, Ground Brown Rice, Turkey Meal, Chicken Fat (preserved with MIxed Tocopherols)30%10%4%Click Here
Chicken Soup for the Soul Weight & Mature Care CatChicken, Chicken Meal, Cracked Pearled Barley, Turkey Meal, White Rice, Powdered Cellulose, Peas,34%9%8%Click Here

This company has been in the pet food manufacturing industry for ages. It produces both cat, and dog food designed complete with holistic principle nutrition in mind. It is designed for the picky cats. This food will ensure that your cat has enough nutrition and the right flavor.

Additionally, the food comes with cage-free chicken as its first ingredients and contains no corn, potato, grain, wheat, by-product meal and soy, artificial preservatives and colors. Most importantly, this food contains L-Carnitine which helps in burning fat and improves healthy metabolism.

The food has boosted nutrition which improved healthy weight. It is free of grain, high protein and freeze-dried raw. The combined ingredients have 15% fewer calories and 25% lesser fat.


  • Helps to burn fat courtesy of L-Carnitine.
  • Made in the USA.
  • Has fewer calories.


  • May cause a lot of gas and bad breath.

Though it may not be the most common pet food brand, the company is dedicated to providing high-quality holistic diets for both cats and dogs. The company was formed back in 1974.

The food is perfect for mature, overweight and mostly less active cats. It is gluten and grain free. It has been formulated with about 20 superfoods rich in nutrients including cranberries, pumpkin, carrots, almond oil, lentils, and broccoli.

Also noteworthy is that the food contains fresh caught Alaskan Pollock formula designed to support the weight loss process and maintain a healthy weight.


  • Contains healthy fasts.
  • Has no by-product meals.
  • Is free of gluten and grain.


  • May contain an ingredient your cat is allergic to.
  • Some cat may not like it.

The Blue Buffalo is known the world over as being one of the best pet foods. In addition to this, this particular food is considered as one of the best diet cat food. The ingredients used in this food are of high quality and come without artificial preservatives, flavors, and colors.

The food is delicious and is rich in protein courtesy of its deboned chicken ingredient. This food contains veggies and whole grains as well. However, the food does not contain chicken by-products.

It is perfect for cats of all ages and will help your cat lose weight without developing hairballs or upsetting the cats sensitive stomach.


  • Great for both adult cats and kittens.
  • Contains deboned chicken.
  • Does not have artificial flavoring and preservatives.


  • Contains whole grain which your cat may be allergic to.

This is yet another Nutro Company that produces among the best diet cat food. The brand uses all natural ingredients to produce their quality cat food. The food is designed to taste great, and its nutrition levels are through the roof. Additionally, the foods are supplemented with minerals, vitamins, and antioxidants which are designed to support your cat’s body and health.

The first ingredient of this diet cat food is farm-raised chicken and Brown rise. When you serve this food, you should be ready to hear your cute and furry feline purr.

This food is designed to support a healthy coat and skin. The balanced nutrition is perfect for adult cats which work to support a strong immune system as well as healthy digestion.


  • Contains farm raised chicken.
  • Supplemented with minerals, vitamins and other essential nutrients.
  • Have no preservatives or chicken by-product.


  • Does have a strong smell.

One of the best diet cat food is specially made to meet specific dietary needs of an obese cat. All ingredients are natural and formulated based on some solid scientific principles. Your adult cat will especially enjoy this best diet cat food.

It comes in 15-pound bag packaging of cat food. This is more than enough that you will need. The low-calorie diet is perfect for obese cats. Because of its low calories, it supports healthy weight in cats.

Last but not least, you should note that the food features balanced nutrition and is perfect for adult cats.


  • Great for adult cats.
  • Comes in large packaging that lasts for long.
  • Supports healthy weight with its salmon and chicken meal.


  • May take a few tries for your cat to like and get used to it.

This is not only the best diet cat food on the market, but it also is one of the best with regards to providing a healthy weight formula. The food comes with a significantly reduced diet which is made using deboned chicken and whitefish.

The food also contains a significant amount of fiber which helps to keep hunger at bay for longer and maintain a healthy diet. All the ingredients in this weight loss food are natural and of high quality. 

There isn’t wheat, soy, corn, artificial flavors, colors or preservatives. With this Wellness diet food, you are guaranteed in quality and effectiveness.


  • High-quality ingredients.
  • It is rich in fiber.
  • It is free of corn, artificial flavors, wheat, soy, and corn.


  • I have noticed, along with other users that the formula keeps changing.

If you are looking for the best diet food, look no further than the Chicken Coup For the Soul. This food is designed to keep your cat healthy. It is designed with real turkey, duck, salmon, and chicken.

Additionally, it contains herbs, fruits, and wholesome vegetables and is laced with antioxidants which help to improve your cat's vigor and health. Also, it has no artificial coloring, preservative, flavoring, corn, wheat, and soy.

This is the best mature cat care for your adult care. Though the price may be steep, it is of super premium quality and great value.


  • High-quality ingredients and food.
  • Free of wheat, soy, corn, and coloring.
  • Laced with antioxidants.


  • The recipe may change.
  • Your cat may not love the taste.

Dangers of Obesity in Your Cat

As a cat parent, how do you tell if your cat is just fat but healthy and plain out obese? Well, obesity is explained by professionals as having a body weight that is 20% above the normal cat weight for your cat’s breed. No Best Diet Cat Foodsw aside from weighing your cat, looking at your cat’s body can help you make this determination. For this, you will have to view your cat from its side. For a normal cat, you should see its waistline and its tummy tuck. Additionally, in the event the ribs are not visible, you should feel them through the thin, fat layer.

If your cat is overweight, it will not have a defined waistline, and its stomach will be bulging out and sagging downwards. If when your cat is walking, you can notice a wobble in the layer of fat around it, then it is likely overweight. For obesity, the waistline on your cat is absent, the stomach is bulged and sags downwards, and the ribs cannot be felt through the thick layer of skin. 

Obesity will negatively impact your cat’s mobility as well as health. If your cat is obese, it is more susceptible to developing diabetes type 2, fatty liver disease, heart disease and arthritis. Additionally, your cat will have a reduced anesthesia tolerance. And even more seriously, your obese cat may have a significantly reduced life expectancy. With all the health problems it will be experiencing, the reduced life expectancy is expected.

Some Factors That Contribute to Obesity in Cats

In most cases, and this was where I lacked knowledge, obesity is caused by overfeeding. The same rings true for humans. That said, it is important to bear in mind that obesity is never caused by one specific factor. It most often than not a combination of several factors. But going back to the basics of weight gain, your cat will increase in weight in the event you feed it with higher calories than its body burns daily. The unburned calorie at the end of the day is stored under the skin thus forming a thick layer of fat. Speaking of calorie intake, most cat parents visualize overfeeding alone. However, you may be feeding your cat with the right portions of food but of the wrong type of food. Yes, some foods contain higher calories than others and as such need lower rations. For this, you need help from a professional animal expert and nutritionist.

The truth of the matter is that all cats are different. There are those that are ‘lazy' and cats that just want want to sleep and lay in one place all day long and those that are active and cannot seem to stay motionless for a minute unless when eating and sleeping. It is for this reason that free feeding does not work well. Free feeding refers to filling your cat’s bowl with food and allowing it to eat as much as it pleases. While this type of feeding may not be a problem for some cats, other cats may stop eating when there is no more food in the bowl.

With kittens, free feeding is great since they are active and have a great metabolism to break down the food fast and convert it into energy. For senior cats, however, it is not the best. Adult cats experience a reduced metabolism and as such the calorie intake needs of such cats are reduced. If you have a cat that loves eating (some cats are just wired this way. It's rather shocking to note that cats have similar personalities to humans), you should track it feeding lest it grows overweight.

The amount of food, as well as the type of food, contributes greatly to its healthy weight. The activity level of your cat is also a great determinant. In addition to this, it should be noted that other factors come into play as well. One of which includes spaying your cat. Spayed cats have reduced metabolic rates compared to unaltered cats. As such, they are more susceptible to growing overweight.

In humans, causes of obesity can also be traced back to human ethnicities and races. In cats, however, the relationship between obesity and the different cat breed is not as clear. Sure there are some shreds of evidence that point to certain cat breeds being at a higher risk of becoming obese but it not quite definite. Some medical problems as well as diseases which lower metabolism rates in cats also contribute to obesity. Such conditions include hypothyroidism and insulinoma, brain disease and pituitary gland disease.

Tips To Help Your Cat In Losing Weight

Truth be told, helping your cat lose weight is a challenge even for the most dedicated cat parents. For one, obese cats experience reduced mobility and reduced intolerance to exercising which means that it will be hard for you to ensure that your cat exercises to burn the extra fat. Another challenge you might come across is getting low caloric cat food. Sure there are many in the market, but you only will want the best which will prove tricky to choose. Also worth noting is that most of these low-calorie diets are hated by most cats. If your cat is an especially picky eater, he/she may refuse to switch or transition to a healthier food option – even if its life depends on it.

But in case you run into problems trying to get your cat to feed on the new food designed for weight loss, there are a few tricks you can use to get him/her to eat. The first trick is using the 50/50 food ratio of your cat's old food to its new food. Choosing this option, you will need to thoroughly mix the foods so that the flavor of both foods becomes one. This will introduce your cat to the new flavor. Another option is drizzling the food with some delicious low-calorie beef or chicken broth. When you mix dry and wet food, mix thoroughly to make it easier for your cat to eat.

Before you embark on any weight loss training program, be sure to consult with a professional vet. A vet will help you determine how much weight your cat needs to shed and determine if there are underlying health conditions that might have led to the obesity. Learning of any potential health condition is imperative as it determines the success of the weight loss regimen and the approach to be taken. Once you have a go-ahead from your vet, your cat should only lose a maximum of 2% of its overall weight weekly. Any more than this and you run the risk of your cat developing further health complications of even gaining the weight back at a later date.

Ways to Help your Cat Lose Weight

Controlled Portions

Reducing the amount your cat feeds on or even switching to a low-calorie diet will help. While reducing the amount of food your cat eats, you should ensure that the food is out of your cat’s sight and reach. If need be, break down your cat’s feeding portions down to 2 feedings.

If you decide a low-calorie diet is the best route to take, you might have the luxury of feeding your cat with the same amount of food, only with lower calories. When feeding your cat a low-calorie diet, it is recommended that you split the food into three feedings or even more to help in controlling your cat's hunger.

Increased Activity

In addition to making dietary changes, you should also consider exercising. This does not mean you start forcing your obese cat to run, but rather indulge it in some simple movements to help burn calories. The lighter your cat gets, the more it will able to do. In this light, cat safety harnesses will come in handy especially if you decide to take your cat for a walk. For the cats that hate being on a leash, you should try toys or laser pointers like Fling Ama String Cat Toy and PetSafe Bolt Interactive Laser Cat Toy respectively

The Round Up

When shopping for the best diet cat food, one with low-calorie composition but rich in protein, you should consider all the above factors outlined. The foods and formulas listed will provide you with value for your money and will help your cat shed the extra weight gradually and healthily.

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