6 Best Cat Foods for Weight Loss, Tested and Reviewed for Effective Weight Management

That maintaining a healthy weight is crucial for cats, especially indoor cats who may be more prone to weight gain. Even a small amount of excess weight can increase the risk of various health issues such as arthritis, skin infections, and diabetes in cats.

If your cat needs to lose weight, there are several strategies you can try. First and foremost, it’s important to consult with your veterinarian to rule out any underlying health issues and to get personalized advice for your cat’s weight loss journey.

In terms of diet, switching to a weight loss formulated food for cats can be a simple and effective step. These foods are specifically formulated to provide the necessary nutrients while reducing calorie intake. You can choose between wet or dry options based on your cat’s preferences and needs.

Portion control is also essential. Investing in an automatic feeder can help you control the amount of food your cat receives and prevent overeating. It’s important to follow the feeding guidelines provided by the manufacturer or your veterinarian to ensure your cat is receiving the appropriate portion size.

Increasing physical activity is another key aspect of weight loss for cats. Engage in interactive play sessions with your cat using toys or laser pointers to encourage exercise. Regular playtime can help burn calories and keep your cat active and mentally stimulated.

Remember, weight loss should be gradual and steady to ensure your cat’s overall health and well-being. Rapid weight loss can have negative effects on their health. Regular monitoring and check-ups with your veterinarian are important throughout the weight loss process.

Our top picks:

Hill’s Science Diet Adult Perfect Weight Cat Food Roasted Vegetable & Chicken Medley

Calories: 62 kcal/can
Flavors: Roasted vegetable & chicken medley,
Prescription Required: No

Instinct Raw Boost Grain-Free Recipe with Real Chicken for Healthy Weight

Calories: 709 kcal/kg dry food
Flavors: Chicken
Prescription Required: No

Solid Gold Fit as a Fiddle Weight Control

Calories: 3,300 kcal/kg dry food
Flavors: Alaskan pollock
Prescription Required: No

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6 Best Cat Foods for Weight Loss

Best Overall – Hill’s Science Diet Adult Perfect Weight Cat Food Roasted Vegetable & Chicken Medley

Hill’s Science Diet Adult Perfect Weight Cat Food is a wet stew that aims to provide balanced nutrition and help cats achieve and maintain a healthy weight. The first ingredient in this formula is chicken broth, which contributes to its liquid-rich composition and helps cats feel full between meals.

This cat food contains fiber to support a healthy digestive system and lean protein from pork liver and chicken. However, it’s important to note that the roasted vegetable & chicken medley flavor has pork as the second ingredient, which can be a common allergen for cats. It’s crucial to carefully read the full ingredient label of any cat food to ensure it doesn’t contain potential irritants or allergens for your cat.

Hill’s Science Diet is a brand that formulates its products in the United States with the guidance of certified veterinarians. They conducted clinical trials, showing that over 70% of adult cats lost weight within 10 weeks while consuming Perfect Weight Cat Food. The brand also offers a 100% satisfaction guarantee on all of their products, allowing customers to receive a refund from participating retailers or directly from Hill’s Science Diet if they are unsatisfied.

It’s worth noting that Hill’s Science Diet Perfect Weight Cat Food is also available in a dry food format, which can be mixed with wet food or served on its own. However, it’s important to ensure that your cat’s overall daily caloric intake is reduced to promote weight loss.


  • Developed with the guidance of certified veterinarians
  • Manufacturer offers a satisfaction guarantee with a refund option
  • Chicken broth is the first ingredient, contributing to a liquid-rich formula


  • Contains pork as the second ingredient, which can be a common allergen for cats

Best Overall Dry – Instinct Raw Boost Grain-Free Recipe with Real Chicken for Healthy Weight

Nature’s Variety Instinct Raw Boost for Healthy Weight Dry Cat Food stands out among weight loss dry cat food options due to its combination of high-protein kibble and freeze-dried raw bits, providing balanced nutrition and appealing flavors for cats.

This cat food is made in the United States and is specifically formulated for weight control, offering 25 percent less fat and 15 percent fewer calories compared to non-weight control options. The inclusion of cage-free chicken as the first ingredient ensures a high protein content and provides minimally processed bites of real chicken that are appealing to cats. The freeze-dried raw bits in the formula are rich in vitamins and minerals since they haven’t undergone extensive processing.

A notable advantage of this cat food is its exclusion of grains, potato, corn, wheat, soy, artificial colors, and preservatives. These ingredients are often associated with potential sensitivities or allergies in cats, so their absence can be beneficial. Some cat owners have reported that their cats consumed smaller volumes of this food compared to typical store brands, which can result in the food lasting longer.


  • Cage-free chicken as the first ingredient, providing high-quality protein
  • Includes freeze-dried raw bits for added nutrition and flavor
  • Grain-free formulation, avoiding common allergens
  • Excludes artificial colors and preservatives


  • Contains meal by-products

Best Budget – Solid Gold Fit as a Fiddle Weight Control

Solid Gold Fit as a Fiddle Weight Control Adult Dry Cat Food is a cost-effective option for weight control without compromising on quality. This grain-free cat food features fresh-caught Alaskan pollock, which is rich in omega fatty acids, as the primary ingredient.

Specifically formulated for weight control, this cat food offers a balanced combination of high protein, low carbohydrates, and moderate calories, mimicking a cat’s natural diet. This balance helps sustain energy levels while satisfying your cat’s appetite.

The ingredient list of this cat food is free from fillers, artificial coloring, flavoring, and preservatives. Alongside the main ingredient of pollock, the food includes peas and chickpeas for vegetable protein and fiber, chicken fat and eggs for satisfaction and nourishment, turkey, ocean fish, and chicken meal for protein, pumpkin for healthy digestion, and antioxidant-rich blueberries, cranberries, and salmon oil.


  • Company with a long history in holistic food since 1974
  • Contains antioxidants for overall health benefits
  • Includes probiotics for a healthy gut


  • Turkey, ocean fish, and chicken meal are by-products

Best for Senior Cats – Blue Buffalo W+U Weight Management + Urinary Care Wet Food

Blue Buffalo W + U Weight Management and Urinary Care canned wet food is specifically designed for senior cats struggling with weight management and urinary tract health. It addresses the common issues faced by senior, overweight, and obese cats, as well as those with urinary problems.

This cat food provides appropriate levels of fat, calories, and fiber to help manage weight, while also controlling mineral levels to maintain lower urine pH and prevent crystal and stone formation. The first ingredient is chicken, ensuring a high-quality protein source. The inclusion of powdered cellulose, a plant fiber, helps cats feel fuller despite consuming a lower-calorie food. The levels of magnesium and sodium are controlled to promote a balanced urinary pH.

Blue Buffalo also offers True Solutions Fit & Healthy wet and dry cat foods, which have slightly higher caloric contents but do not focus on the urinary aspects.

One positive aspect of Blue Buffalo is that its formulas are developed by a team of Ph.D. animal nutritionists, food scientists, and veterinarians, providing reassurance regarding the product’s quality.


  • Addresses both weight management and urinary tract health in one food
  • Grain-free formulation


  • Requires a prescription (may not be readily available without consulting a veterinarian)
  • Only one flavor option

Best Organic – Castor & Pollux Organix Grain-Free Organic Chicken Recipe All Life Stages Canned Cat Food

While there may not be a specific organic cat food designed explicitly for weight loss, many cat owners have observed natural weight loss and maintenance when switching their cats to organic cat food. Although there are fewer options in the market for organic cat food, the available brands offer high-quality products.

Organic cat food typically features organic free-range chicken or turkey as the first ingredient. These prey meats provide high protein content with minimal filler ingredients, satisfying your cat’s appetite without unnecessary calories. Organic ingredients are produced without the use of pesticides, synthetic fertilizers, artificial preservatives, growth hormones, or antibiotics.

Castor & Pollux is a reputable brand that has been producing organic pet food since 2003. Since 2017, their entire Organix line of cat and dog foods, both wet and dry, has been USDA Certified Organic. Additionally, ten of their recipes are Non-GMO Project Verified. Castor & Pollux’s foods are cooked in an organically-certified kitchen in the United States and are certified by the AAFCO Cat Food Nutrient Profiles for All Life Stages.

Many of their recipes include nutrient-dense “superfoods” such as organic flaxseed, organic coconut flour, organic dried egg, and organic cranberries. The foods are nutritionally balanced for all life stages, and they also offer a specific line for kittens.


  • Omega-6 and 3 fatty acids for healthy skin and fur
  • Added fiber to reduce hairballs


  • May not be available in all stores
  • Some picky cats may not eat it due to personal preferences

Best for Sensitive Stomachs – Halo Holistic Grain-Free Healthy Weight Indoor Cat Dry Cat

Halo Indoor Holistic Grain-Free Healthy Weight Wild Salmon and Whitefish Dry Cat Food is a suitable option for kitties with sensitive tummies. This food is formulated to promote healthy digestion and maintain a consistent weight for cats. It is made in the United States and prioritizes the optimal health of your cat and the environment.

Halo selects sustainably-sourced fish, including salmon and whitefish, which are Marine Stewardship Council (MSC) certified. The ingredients also include non-GMO vegetables, and the food is free from antibiotics, artificial flavors, colors, or preservatives. The use of whole meats, rather than processed meats or by-products, ensures easier digestion and reduces the likelihood of upsetting your cat’s stomach.

Halo offers both dry and wet food recipes designed specifically for sensitive stomachs. While these foods are not explicitly designed for weight loss, their caloric content is only slightly higher than the Healthy Weight foods. This allows for potential customization and finding the right balance among Halo’s offerings for your cat’s needs.


  • Fiber content helps cats feel full
  • Reduced calories and fat to support weight reduction


  • Not available in a wet food option

Read Also:The 5 Best Cat Treats for Your Feline Friend's

What to Look for in Cat Food for Weight Loss

When selecting cat food for weight loss, it’s crucial to choose a high-quality, nutritionally balanced option that supports healthy weight management. Here are some key factors to consider:

  1. Calorie Control: Look for cat food specifically formulated for weight loss or weight management. These foods are designed to be lower in calories compared to regular cat food. Check the calorie content per serving and ensure it aligns with your veterinarian’s recommendations for your cat’s weight loss goals.
  2. High-Quality Protein: Opt for cat foods with a high protein content. Protein helps promote lean muscle mass and satiety, keeping your cat feeling fuller for longer. Look for animal-based protein sources, such as chicken, turkey, or fish, listed at the top of the ingredient list.
  3. Controlled Fat Content: While some fat is necessary for a balanced diet, it’s important to choose cat food with controlled fat levels for weight loss. Look for foods that provide moderate fat content and prioritize healthy fats, such as omega-3 fatty acids, which can support overall health.
  4. Fiber Content: Fiber can aid in weight management by promoting satiety and regulating digestion. Look for cat foods with moderate to high fiber content. Ingredients like beet pulp, pumpkin, or cellulose can contribute to a healthy fiber content.
  5. Limited Carbohydrates: Cats are obligate carnivores and have a limited need for carbohydrates. Choose cat foods with lower carbohydrate levels and focus on quality protein sources as the primary component of the diet. Avoid foods that rely heavily on grains or fillers.
  6. Essential Nutrients: Ensure the cat food provides a complete and balanced nutritional profile. It should contain essential vitamins, minerals, and amino acids to support overall health, even during weight loss.
  7. Moisture Content: Some weight loss cat foods come in wet (canned) form. Wet foods tend to have higher moisture content, which can help with hydration and contribute to a feeling of fullness. However, if you choose dry food, ensure your cat has access to fresh water at all times.
  8. Feeding Guidelines: Follow the feeding guidelines provided by the manufacturer or your veterinarian. Be mindful of portion control and avoid overfeeding, as even weight loss formulas can contribute to weight gain if fed in excess.
  9. Veterinary Guidance: Consult with your veterinarian before making any changes to your cat’s diet or starting a weight loss program. They can assess your cat’s specific needs, provide personalized recommendations, and monitor progress throughout the weight loss journey.

Remember, weight loss in cats should be gradual and supervised by a veterinarian. Rapid weight loss can be detrimental to a cat’s health. Monitoring your cat’s progress, regularly weighing them, and seeking veterinary guidance are essential for successful and safe weight management.

Is dry or wet cat food better for weight loss?

Is dry or wet cat food better for weight loss?

Both dry and wet cat food can be suitable for weight loss, and the choice depends on various factors, including your cat’s preferences and specific needs. Here are some points to consider when deciding between dry and wet cat food for weight loss:

Dry Cat Food:

  1. Calorie Control: Dry cat food tends to have a higher calorie density compared to wet food. However, weight loss formulas are available in both dry and wet options, so you can find lower-calorie dry cat food specifically formulated for weight management.
  2. Dental Health: Some dry cat foods are designed to promote dental health by reducing plaque and tartar buildup. The crunchiness of dry kibble can help scrape plaque off the teeth. However, it’s important to note that not all dry foods have this benefit, and dental health can also be managed through other means.
  3. Portion Control: Dry cat food is typically easier to measure and portion out accurately. This can be beneficial for maintaining portion control and ensuring your cat is receiving the appropriate amount of food for weight loss.

Wet Cat Food:

  1. Moisture Content: Wet cat food has a higher moisture content, which can help increase hydration and promote a feeling of fullness. This can be beneficial for weight loss as it may help your cat feel satisfied with smaller portions.
  2. Palatability and Satiation: The texture and aroma of wet cat food can be highly appealing to cats, making it more satisfying and appetizing. This can be helpful when trying to encourage a cat to eat a reduced-calorie diet.
  3. Urinary Health: The increased moisture content in wet cat food can contribute to better urinary tract health, reducing the risk of conditions like urinary crystals or stones.

Ultimately, the most important factor for weight loss is creating a calorie deficit by feeding your cat fewer calories than they consume. Whether you choose dry or wet cat food, it’s essential to select a high-quality, nutritionally balanced option specifically formulated for weight management.

Are high-protein cat foods better for weight loss?

High-protein cat foods can be beneficial for weight loss in cats for several reasons. Here’s why high-protein cat foods are often recommended for weight management:

  1. Satiety: Protein is highly satiating, meaning it helps your cat feel fuller for longer periods. When a cat’s diet is rich in protein, it can help reduce hunger and decrease the likelihood of overeating or begging for additional food.
  2. Muscle Maintenance: During weight loss, it’s important to preserve lean muscle mass. Protein plays a crucial role in maintaining muscle while promoting fat loss. A diet rich in high-quality protein helps support muscle health and prevents muscle wasting.
  3. Energy Expenditure: The digestion and metabolism of protein require more energy compared to carbohydrates or fats. This thermogenic effect of protein can slightly increase your cat’s energy expenditure, potentially supporting weight loss efforts.
  4. Insulin Regulation: High-protein diets tend to have a lower glycemic index, meaning they cause a slower and steadier rise in blood sugar levels. This can help regulate insulin response, potentially benefiting cats with insulin resistance or diabetes.
  5. Nutrient Density: Protein-rich cat foods often contain a higher concentration of essential nutrients compared to low-quality, carbohydrate-heavy options. This ensures that your cat receives necessary vitamins, minerals, and amino acids while consuming fewer calories overall.

However, it’s important to note that while high-protein cat foods can be beneficial for weight loss, it’s crucial to consider the overall nutritional balance of the diet. The food should still provide adequate levels of other essential nutrients, including fats, vitamins, and minerals.

Additionally, the specific protein sources used in the cat food matter. Animal-based proteins, such as chicken, turkey, or fish, are generally considered more biologically appropriate for cats compared to plant-based proteins. Look for cat foods with quality animal protein sources listed at the top of the ingredient list.