5 Best Cat Food for Overweight Cats (Low-calorie) 2018- Top Picks

The number of overweight cats is on the rise, with veterinarians projecting that the number of overweight cats exceeds the number of cats with normal weight.

Continuous weight gain exposes cats to a lot of health risks like diabetes, high blood pressure and kidney disease that have a devastating effect on their wellbeing. Changing your cat’s diet to the best cat food for overweight cats is one of the actions you can take to manage your cat’s weight.

Best Cat Food for Overweight Cats Comparison Chart​

Cat Food brand


Latest Price

Natural Balance Fat Cat Dry Cat Food​ 

(Editor's Choice)​

Nature's Variety Instinct Healthy Weight

Blue Buffalo Weight Control Dry Cat Food

Nutro Weight Management Adult Chicken

& Whole Brown Rice

Hill's Science Diet Adult Perfect Weight

Overweight Cats Statistics

A study by the Association of Pet Obesity Prevention in 2011 revealed that 53% of cats in the United States were either overweight or obese. This means that more than 50 million cats in the US alone are struggling with weight gain, an increase from a 2007 study that showed only 19% of cats were obese.

The 2011 study sampled 133 adult cats, out of which 30% were classified as obese while 22% were found to be clinically obese.

Just as obesity causes other health complications in humans, cats are not spared. Overweight or obese cats are subjected to other health complications such as diabetes, arthritis, high blood pressure, kidney disease, arthritis, etc.

If your cat is among the statistics, you should take quick action before the condition subjects your cat to more health complications. And the good thing is, you can help your cat lose weight in a healthy way.

What causes obesity and excess weight gain in cats?

The following are some of the known causes of weight gain and obesity in cats:

Taking in more calories than it burns

The major cause of obesity in cats is taking too many calories than it burns. While most cat parents will deny it, most cats are treated to free choice feeding where food is available all the time and the cat eats whenever she wants.

After her stomach is filled to the brim, the cat then spends most of the day lazing around waiting for a refill when the master is back. The effect? A pack on the pound and increasing in weight every…..single……day. Sounds like the typical indoor cat! Right?

Lack of exercises

Indoor cats are more likely to gain excess weight because they have little room to run up and down like their outdoor counterparts. Usually, indoor cats spend most of the time sleeping, with fewer opportunities to exercise and lose some pounds of fat.

Spayed or neutered cats

Spayed or neutered cats are also at risk of becoming obese. The effect of neutering or spaying on the physiology and behavior of your cats increases the chances of your cat being obese.

The weight gain in spayed or neutered cats is mainly caused by increased food intake. Ideally, neutered or spayed cats should consume fewer calories than cats that don’t undergo the procedure.

Best cat food for overweight cats- Top 5 Picks

1. Natural Balance Fat Cats Dry Cat Formula (Editor's Choice)

Best cat food for overweight cats

Natural Balance Pet Foods is the manufacturer of Natural Balance Cat Food and dog food. The company prepares these pet foods in its US Kitchens, using hygienically sourced ingredients from North America and Europe.

This brand of cat foods is popular among cat owners for its high quality cat foods that are prepared with only the best real animal proteins, vegetables, and fruits. The company lives to its description as the “finest food you can buy for your cat”

Natural Balance discloses that this formula has the lowest calorie content when compared to other Natural Balance cat food formulas, making one of the best cat foods for overweight cats that cat parents can consider.

This formula has a special blend of special proteins and fibers that helps your overweight cat lose weight in a gradual healthy way. It retains the same great test, but this time with fewer calories.

The fiber keeps the cat feeling full, as well as helping in digestion. Chicken meal and salmon meal make up the first two ingredients of this formula and are both a rich source of real animal proteins.

First five Ingredients: Chicken meal, salmon meal, pea protein, Garbanzo beans, and peas.

Guaranteed Analysis:

  • Crude proteins (min): 35%
  • Crude fat (min): 9.5%
  • Crude fiber (max): 9%
  • Moisture (max): 10%
  • Taurine (min): 0.15%.

Calorific content: 3240kcals/kg; 320 kcal/cup.

2. Nature’s Variety Instinct healthy Weight 

Nature's Variety Instinct Healthy Weight Cat Food

Nature’s Variety Instinct Raw Boost is a product by Nature’s Variety Pet Food Company, one of the leading cat food manufacturers in the United States. The company makes their foods in their US kitchens using high quality ingredients sourced from the US and some from around the world. Nature’s variety focuses on preparing pet foods that are both natural and nutritious that even the pickiest eaters will salivate to have a bite.

Nature’s Variety Instinct Raw Boost grain-free dry cat food is made with cage-free chicken as the first ingredient. This brand has 25% less fat and 15% fewer calories than the Instinct Raw Boost adult cat food, making it our top choice for the best cat food for overweight cats.

It also has crude fibers that help in digestion and keeps the cat feeling full for long, and help maintain a healthy weight. This formula has fresh fruits and vegetables to provide essential vitamins and minerals.

One of the ingredients that we love about this brand is the L-Carnitine that help burn fats for a healthy metabolism. Supplementation with L-Carnitine helps produce positive metabolic effects that help cats lose weight safely by preventing the development of hepatic lipidosis in dieting cats.

First five ingredients: Chicken, chicken meal, chickpeas, salmon meal and menhaden fish meal.

​Guaranteed Analysis:

  • Crude protein (min): 37.5%
  • Crude fat (max): 16.0%
  • Crude fiber (max): 5.5%
  • Moisture (max): 9.0%
  • Zinc (min): 120mg/kg
  • Vitamin E (min): 120IU/kg

Calorific Content: 3.709kcal/kg: 385kcal/cup.

3. Blue Buffalo Blue Weight Control Natural Adult Dry Cat Food

Blue Buffalo Weight Control Dry Cat Food

Blue Buffalo has a rich past that we discussed in our blue cat food buffalo review earlier. The company discloses that they use premium ingredients for the dog and cat foods, and it does not use artificial preservatives and colors that may be harmful to pets.

The Blue Line of products has two types of weight control formulas, i.e. Blue weight control chicken and brown rice and the standard blue indoor hairball and weight formula.

Blue Buffalo weight control chicken and brown rice is made with the delicious deboned-chicken that is protein-rich to provide the real animal proteins that cats crave for. This formula has lower calories compared to the standard blue indoor formula, making it a perfect option if you are looking for a diet that will maintain an ideal body weight. It also has wholesome whole grains and vegetables that provides balanced nutrition.

A unique feature that distinguishes Blue Buffalo weight control dry cat food with other brands is the anti-oxidant rich LifeSource bits, which is a blend of 7 powerful ingredients that support the cat’s wellbeing. This formula does not contain corn, wheat, soy or artificial preservatives.

Most customers are happy with this formula’s packaging. It comes in a ziplock style resealable bag that helps maintain the freshness of your kitty’s food. If you prefer buying in bulk, this bag keeps the food air-tight, preventing it from going stale within a short time.

Top five ingredients: Deboned chicken, chicken meal, oatmeal, menhaden fish meal (source of Omega 3) and brown rice.

Guaranteed Analysis:

  • Crude Protein (min): 30.0%
  • Crude fat (min): 9.0%
  • Crude fiber (max): 9.0%
  • Moisture (max): 10.0%
  • Magnesium (min): 0.08%
  • Taurine (min): 0.15%

Calorific content: 2634 kcals/kg, 379kcals/cup.

4. Nutro Weight Management Adult Chicken & Whole Brown Rice 

Nutro Weight Management Diet

Nutro company is a United States-based company that produces both dog and cat foods. The company produces two lines of cat foods, i.e. the Nutro and Max cat line of holistic cat foods.

Both lines of cat food products are made with hygienically-sourced natural ingredients, and they contain the essential nutrients that cats require for growth.

Nutro cat foods are made for all life stages, and there are special formulas that help manage certain conditions like hairballs, seniors and sensitive stomach and vomiting.

The Nutro Weight Management Adult Chicken & Whole Brown Rice recipe is made with farm-raised chicken as the first ingredient. This formula has 28% less fat and 13% fewer calories compared to the Nutro Wholesome Essentials Turkey and Brown rice recipe.

Another addition to this diet is dietary fiber that keeps the cat feeling full for long, and this prevents her from eating too much when you are away. Fiber also helps in digestion.

This diet also comprises other essential ingredients. First, it contains essential antioxidants such as vitamin E that boosts the immune system and the overall cat’s health. It also has calcium mineral to strengthen the joints and bones.

Nutro Weight Management Chicken and Whole Rice recipe does not contain artificial flavors, colors, and additives.

Apart from helping their cats manage weight, some customers who used this formula mentioned that their pet’s coat became soft and shiny. Others cat parents also mentioned that the cat poop was less smelly compared to when they used other brands.

Top 5 Ingredients: Chicken, Chicken meal, Pea Protein, Whole Brown Rice, Dehydrated Alfalfa Meal and dried beet pulp.

Guaranteed Analysis:

  • Crude proteins (min): 33%
  • Crude fat (max): 11.50%
  • Crude fiber (max): 8%
  • Moisture (max): 10%
  • Calcium (min): 0.90%

Calorific Content: 3273 kcal/kg; 283 kcal/cup.

5. Hill’s Science Diet Adult Perfect Weight

Hill's Science Diet Adult Perfect Weight

Hill’s Science diet is produced by Hill’s Pet Nutrition, Inc., a leading producer of dog and cat food in North America.

The company produces three lines of cat foods, i.e. Science diet, prescription diet and ideal balance. Prescription diets are designed to help in the management of clinical conditions such as hairball prevention, seniors, and urinary tract issues.

The Science diets are the most popular among cat parents since they use high quality ingredients and are available for all life stages.

Hill’s Science Diet Cat Food for Weight Management is prepared with overweight cats in mind and is formulated to help cats achieve their ideal weight.

The producer, Hill’s Pet Nutrition, claims that their 2011 study on the efficiency of this diet showed that 70% of cats that were given this formula shed off excess weight in just 10 weeks.

This formula is made with real chicken as the first ingredient. Chicken is a rich source of real animal proteins that cats crave for, and it helps in maintaining lean muscles. This formula has fewer calories than other comparable brands.

It also contains a blend of antioxidants (vitamin C and E) that improve the immune system. Other ingredients include essential vitamins, minerals, dietary fiber, and amino acids.

The food is prepared in the company’s US kitchens, and ingredients are sourced from the USA, Europe, and New Zealand.

One thing that we did not like about this diet is that it is not completely grain-free- there are certain grains like corn and gluten included in its composition.

First five ingredients: Chicken, brewers rice, corn gluten meal**, wheat gluten**, and chicken meal. Other important ingredients include flaxseed, chicken fat, taurine, vitamins, cranberries and oat fiber.

Guaranteed Analysis:

  • Crude proteins (min): 36%
  • Crude fat (max): 11.50%
  • Crude fiber (max): 10%
  • Carbs (max): 32.6%
  • Vitamin C (min): 85mg/kg
  • Vitamin E (min): 500 IU/kg

Calorific content: 3409 kcal/kg; 300kcal/cup.

  • Updated September 24, 2018
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