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Best Cat Food to Put on Weight: Top High-Calorie Picks for Cats

catloverlane
November 07, 2025
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Helping your cat gain weight safely requires the right food and supplements. Choosing high-calorie, nutritious options supports healthy weight gain.

Cats that are underweight need extra calories and nutrients to build muscle and stay active. Foods rich in protein, vitamins, and minerals boost appetite and energy. Supplements like Ready Cal provide added calories and essential nutrients. Dry foods from trusted brands, such as Purina ONE and IAMS, offer balanced diets with ingredients that promote healthy weight gain.

Some formulas also support indoor cats’ needs and help control hairballs. Selecting the best cat food for weight gain improves your pet’s overall health and vitality. This guide covers top choices to help your cat reach a healthy weight safely and comfortably.

Under The Weather Pet Ready Cal For Cats

Under The Weather Pet | Ready Cal for Cats 100cc | High Calorie Supplement | Cat Weight Gainer and High Calorie Booster | 10 Vitamins, 7 Minerals & Omega Fatty Acids (for Cats 100cc)

The Under The Weather Pet | Ready Cal for Cats 100cc is the perfect choice for cat owners looking to support their feline’s health with a high calorie supplement. Ideal for cats that are underweight, recovering from illness, or have a poor appetite, this product provides a much-needed boost of energy and nutrition. It is especially beneficial for older cats or those with special dietary needs who require additional caloric intake to maintain their well-being.

Pros:

  • Contains 10 Vitamins and 7 Minerals to support overall health
  • Includes Omega Fatty Acids for improved coat and skin condition
  • Easy to administer with a palatable flavor cats enjoy
  • Convenient size for multiple doses

Cons:

  • May not be suitable for cats with specific dietary restrictions
  • Some cats might not like the texture or taste

The Ready Cal for Cats is formulated with 10 vitamins, 7 minerals, and omega fatty acids, making it a comprehensive supplement to ensure your cat receives essential nutrients. These components work together to promote a healthy immune system, support bone and muscle development, and enhance skin and coat health. Its high-calorie content is particularly beneficial for cats who need to gain weight or require additional energy due to health concerns.

One of the standout features of this supplement is its easy administration. It comes in a size that is convenient for multiple doses, ensuring that your cat receives consistent supplementation over time. The palatable flavor is designed to appeal to cats, making it easier for owners to provide the necessary nutrition without struggle. While some cats may initially resist the texture or taste, many find it enjoyable, simplifying the process of supporting their nutritional needs.

To buy this product, click here.

Purina One High Protein Healthy Plus Ideal With Chicken Dry Cat Food

Purina ONE High Protein, Healthy Plus Ideal With Chicken Dry Cat Food Control Formula - 7 lb. Bag

The Purina ONE High Protein, Healthy Plus Ideal With Chicken Dry Cat Food Control Formula is perfect for cat owners seeking a nutritious and balanced diet for their feline companions. Ideal for cats that require a high-protein meal to support lean muscle maintenance and overall health, this food caters to both adult and senior cats who benefit from controlled formulas to maintain a healthy weight and promote vitality.

Pros:

  • Contains high-quality real chicken as the primary ingredient for optimal protein intake.
  • Supports lean muscle maintenance and healthy body weight.
  • Formulated with essential vitamins and minerals for overall health.
  • Manufactured by the trusted brand Nestle Purina Pet, ensuring quality.
  • Convenient 7 lb. bag size, suitable for long-term feeding.

Cons:

  • May not be suitable for cats with specific dietary restrictions or allergies to chicken.
  • The dry kibble form may not appeal to cats preferring wet food.
  • Packaging dimensions may require ample storage space.

The Purina ONE High Protein Healthy Plus Ideal With Chicken formula delivers a nutrient-rich diet designed to support cats’ active lifestyles. Its inclusion of real chicken helps provide the necessary protein that supports muscle tone and energy levels, which is essential for maintaining an active and healthy cat. Additionally, the blend of vitamins and minerals helps to promote a strong immune system and overall vitality.

This cat food’s controlled formula is especially beneficial for cats prone to weight gain or those needing to maintain a healthy weight. By focusing on high protein and balanced nutrients, it aids in managing weight without compromising taste or nutrition. The convenient 7 lb. bag offers a practical option for pet owners who want to ensure their cats receive consistent quality meals over time.

To buy this product, click here.

Iams Proactive Health Indoor Weight Control & Hairball Care Adult Dry Cat Food

IAMS Proactive Health Indoor Weight Control & Hairball Care Adult Dry Cat Food, Chicken & Turkey Recipe, 7 lb. Bag

Ideal for cat owners seeking a specialized diet to help manage their indoor cats’ weight and reduce hairball issues, the IAMS Proactive Health Indoor Weight Control & Hairball Care Adult Dry Cat Food is tailored for adult cats that are less active and prone to weight gain. This chicken & turkey recipe is designed to support a healthy lifestyle while addressing common indoor cat concerns.

Pros:

  • Formulated to help control weight in indoor cats
  • Supports hairball reduction for better digestion
  • High-quality chicken & turkey protein sources
  • Contains essential nutrients to maintain overall health
  • Comes in a convenient 7 lb. bag for longer use

Cons:

  • Specifically designed for indoor cats, may not suit outdoor cats’ needs
  • Limited flavor options, only chicken & turkey recipe available
  • May be pricier compared to generic cat foods

The IAMS Proactive Health Indoor Weight Control & Hairball Care Adult Dry Cat Food features a carefully balanced formula that supports weight management by incorporating fewer calories and controlled fat content. This helps indoor cats maintain a healthy weight without feeling hungry or deprived. The recipe is enriched with targeted fiber blends that aid in reducing hairballs, a common problem for cats that groom themselves frequently.

Additionally, the inclusion of high-quality chicken and turkey proteins provides essential amino acids necessary for lean muscle maintenance and overall vitality. The food also contains antioxidants and vitamins that promote a strong immune system and healthy skin and coat. Packaged in a 7 lb. bag, it offers convenient storage and long-lasting supply, making it an excellent choice for cat owners focused on proactive health care.

To buy this product, click here.

Hill’s Science Diet Perfect Weight

Hill's Science Diet Perfect Weight, Adult 1-6, Weight Management Support, Dry Cat Food, Chicken Recipe, 3 lb Bag

Ideal for adult cats aged 1 to 6 years who need effective weight management support, the Hill’s Science Diet Perfect Weight, Adult 1-6, Weight Management Support, Dry Cat Food, Chicken Recipe, 3 lb Bag is a perfect choice for cat owners looking to maintain their pet’s healthy weight without compromising on nutrition. This product is especially suitable for cats prone to obesity or those requiring a balanced diet to stay fit and active.

Pros:

  • Formulated with clinically proven antioxidants and high-quality protein for lean muscle maintenance.
  • Supports healthy weight loss and helps prevent obesity with a balanced calorie content.
  • Contains natural ingredients and is made by the trusted brand Hill’s Science Diet.
  • Easy-to-serve dry kibble that promotes dental health by reducing tartar buildup.
  • Chicken recipe provides a tasty, protein-rich meal that cats enjoy.

Cons:

  • May be pricier compared to generic cat food brands.
  • Only available in a 3 lb bag, which might require frequent repurchasing for multiple cats.
  • Some cats with food sensitivities may need to transition slowly to avoid digestive upset.

The Hill’s Science Diet Perfect Weight Dry Cat Food is designed to provide a balanced nutritional profile that supports your cat’s overall health while focusing on weight control. Its high-quality chicken recipe delivers essential proteins and nutrients, helping maintain lean muscle mass during weight loss or weight maintenance phases. The inclusion of clinically proven antioxidants supports a healthy immune system, which is vital for active adult cats.

Additionally, the dry kibble format not only makes feeding convenient but also assists in dental hygiene by reducing tartar buildup. The thoughtfully measured calorie content ensures your cat receives enough energy without excess, promoting a healthy body condition. With dimensions of 11.0 inches in height, 3.75 inches in width, and 7.25 inches in length, and weighing just 3 pounds, this bag is compact and easy to store, making it a practical choice for pet owners committed to their cat’s well-being.

To buy this product, click here.

Under The Weather Ready Cal Powder For Cats

Under the Weather Ready Cal Powder for Cats | High-Calorie Weight Gainer & Appetite Stimulant | Cat Energy Booster Veterinarian-Approved Pet Supplement with Vitamins & Minerals | Chicken Flavor

The Under the Weather Ready Cal Powder for Cats is an ideal choice for cat owners seeking a reliable solution to help their pets gain weight, stimulate appetite, and boost energy levels. This product is especially beneficial for cats recovering from illness, surgery, or those with a naturally low appetite who need extra nutritional support to maintain a healthy weight and vitality.

Pros:

  • High-calorie formula designed to promote healthy weight gain.
  • Appetite stimulant that encourages cats to eat more.
  • Veterinarian-approved supplement ensuring safety and effectiveness.
  • Contains essential vitamins and minerals for overall health.
  • Palatable chicken flavor that appeals to cats.
  • Compact packaging with convenient dimensions (4.24 x 3.65 x 3.57 inches) for easy storage and use.

Cons:

  • Powder form may require mixing into food, which some cats might resist initially.
  • May not be suitable for cats with specific dietary restrictions without vet consultation.

The Under the Weather Ready Cal Powder is formulated to provide a concentrated source of calories and nutrients that help cats regain strength and energy. Its high-calorie content supports healthy weight gain, making it a valuable supplement for cats that are underweight or have difficulty maintaining their weight. The addition of vitamins and minerals supports overall wellness, ensuring your cat receives balanced nutrition during recovery or times of increased need.

One of the standout features is its appetite-stimulating properties, which encourage even the most reluctant eaters to consume adequate food. The appealing chicken flavor helps mask the supplement’s powdery texture, making it easier to introduce into your cat’s diet. Overall, this energy booster is a practical and veterinarian-approved option for cat owners aiming to improve their pet’s health and vitality in a safe and effective manner.

To buy this product, click here.

Purina One Natural

Purina ONE Natural, Low Fat, Weight Control, Indoor Dry Cat Food, +Plus Indoor Advantage - 16 lb. Bag

The Purina ONE Natural, Low Fat, Weight Control, Indoor Dry Cat Food is ideal for cat owners who are looking to maintain their indoor cats’ healthy weight without compromising on nutrition. This product is especially suited for cats prone to weight gain or those leading a less active lifestyle indoors, ensuring they get balanced nourishment with controlled fat content.

Pros:

  • Formulated for weight control with low fat content.
  • Supports indoor cats with the +Plus Indoor Advantage blend.
  • Made by trusted brand Nestle Purina Pet.
  • Comes in a convenient 16 lb. bag ideal for long-term use.
  • Contains natural ingredients promoting healthy digestion and immune support.

Cons:

  • May not be suitable for outdoor or highly active cats needing higher energy levels.
  • Some cats may require gradual transition to avoid digestive upset.
  • Limited flavor options in this specific formula.

This dry cat food is designed with a specialized formula that focuses on low fat content to help manage your indoor cat’s weight effectively. The inclusion of the +Plus Indoor Advantage blend supports healthy digestion and immune system function, which are crucial for cats living indoors with limited physical activity. Its natural ingredients provide essential nutrients without unnecessary fillers, promoting overall feline health.

The 16 lb. bag size ensures that you have an ample supply for your cat, making it a practical choice for cat owners who prefer buying in bulk. Manufactured by Nestle Purina Pet, this product benefits from rigorous quality standards, ensuring consistent nutrition. Overall, it’s a smart investment for maintaining your indoor cat’s vitality and managing their weight safely and effectively.

To buy this product, click here.

Purina Cat Chow

Purina Cat Chow Hairball, Healthy Weight, Indoor, Natural Dry Cat Food, Naturals Indoor - 13 lb. Bag

The Purina Cat Chow Hairball, Healthy Weight, Indoor, Natural Dry Cat Food is ideal for cat owners looking to support their indoor cats’ digestive health while maintaining a healthy weight. This product is perfect for cats prone to hairballs and those living indoors who require balanced nutrition with natural ingredients. If you want to ensure your feline friend stays active, healthy, and comfortable, this 13 lb. bag offers a reliable solution.

Pros:

  • Formulated specifically for hairball control and healthy weight management
  • Contains natural ingredients suitable for indoor cats
  • Manufactured by trusted brand Nestle Purina Pet
  • Large 13 lb. bag offers great value and long-lasting supply
  • Supports digestive health and reduces hairball formation

Cons:

  • May not be suitable for cats with specific dietary restrictions or allergies
  • Dry food may require additional water intake to keep cats hydrated
  • Packaging size might be bulky for small storage spaces

This natural dry cat food is designed with a unique formula that targets both hairball reduction and healthy weight maintenance. The ingredients work together to promote digestive health by reducing the frequency of hairball formation, which is a common problem for indoor cats who groom themselves frequently. Additionally, it helps keep cats at an ideal weight, which is crucial for their overall wellness and longevity.

The 13 lb. bag provides an ample supply, making it cost-effective for cat owners. Its balanced nutrition supports an active indoor lifestyle, delivering essential vitamins and minerals without unnecessary fillers. Produced by Nestle Purina Pet, this product assures quality and consistency, making it a dependable choice for those seeking a natural diet tailored to their cat’s unique needs.

To buy this product, click here.

Iams Proactive Health Healthy Weight Adult Dry Cat Food Chicken Flavor

IAMS Proactive Health Healthy Weight Adult Dry Cat Food Chicken Flavor, 3.5 lb. Bag

The IAMS Proactive Health Healthy Weight Adult Dry Cat Food Chicken Flavor, 3.5 lb. Bag is ideal for cat owners who want to maintain their adult cat’s optimal weight and overall health. This product is perfect for cats prone to weight gain or those needing a balanced diet to support an active lifestyle while managing calorie intake effectively.

Pros:

  • Formulated to help maintain a healthy weight
  • Rich in high-quality chicken flavor for great taste
  • Supports proactive health with essential nutrients
  • Compact 3.5 lb. bag size for convenience
  • Manufactured by trusted brand IAMS under Mars Petcare US

Cons:

  • May not be suitable for cats with specific dietary restrictions
  • Limited flavor options in this particular package size
  • Price point may be higher compared to generic brands

The IAMS Proactive Health Healthy Weight Adult Dry Cat Food is thoughtfully crafted to provide balanced nutrition with a focus on weight management. The chicken flavor ensures palatability, encouraging cats to enjoy their meals while benefiting from a formula rich in proteins and essential vitamins. This helps maintain lean muscle mass and supports an active lifestyle, which is crucial for healthy weight control.

Additionally, the product incorporates key ingredients that promote overall proactive health, such as antioxidants to support the immune system and fiber for digestive health. The convenient 3.5 lb. bag size makes it easy for cat owners to handle and store, while the trusted IAMS brand assures quality and consistency in every serving. This cat food is a practical choice for those aiming to keep their pets healthy without compromising on taste or nutrition.

To buy this product, click here.

Blue Buffalo Tastefuls Adult Dry Cat Food For Weight Management

Blue Buffalo Tastefuls Adult Dry Cat Food for Weight Management, Made in the USA with Natural Ingredients, Chicken Recipe, 3-lb. Bag

The Blue Buffalo Tastefuls Adult Dry Cat Food for Weight Management is ideal for cat owners who are looking to help their adult cats maintain a healthy weight without compromising on taste or nutrition. This product is perfect for cats prone to weight gain or those needing a controlled diet to support an active lifestyle and overall well-being. Pet parents who prioritize natural ingredients and a high-quality chicken recipe will find this 3-lb. bag an excellent choice.

Pros:

  • Made in the USA with natural ingredients ensuring quality and safety.
  • Formulated specifically for weight management to support healthy body condition.
  • Includes a delicious chicken recipe that appeals to cats’ taste buds.
  • Contains balanced nutrients to promote overall adult cat health.
  • Compact 3-lb. bag is convenient for storage and everyday use.

Cons:

  • May be pricier compared to some generic cat foods.
  • Only available in a 3-lb. bag size, which might require frequent repurchasing for multiple cats.
  • Some cats with specific allergies may need to check ingredient compatibility.

The Blue Buffalo Tastefuls Adult Dry Cat Food boasts a formula designed to support weight management through carefully selected ingredients. The inclusion of natural chicken not only provides high-quality protein but also enhances palatability, ensuring that cats enjoy their meals while maintaining a healthy weight. The recipe is crafted to supply essential vitamins and minerals, which contribute to a cat’s overall vitality and energy levels.

Additionally, the product’s balanced nutritional profile aids in controlling calorie intake without sacrificing taste, making it easier for pet owners to manage their cat’s diet effectively. Packaged in a convenient 3-lb. bag, this cat food is suitable for daily feeding routines and helps promote lean muscle mass and healthy metabolism. Choosing this product means investing in your cat’s long-term health with a trusted brand known for quality and natural ingredients.

To buy this product, click here.

Royal Canin Feline Weight Care Adult Dry Cat Food

Royal Canin Feline Weight Care Adult Dry Cat Food, 6 lb bag

The Royal Canin Feline Weight Care Adult Dry Cat Food is ideal for cat owners who want to help their adult cats maintain a healthy weight. This product is especially suitable for indoor cats or those prone to weight gain, ensuring they receive balanced nutrition without excess calories. If you’re looking for a reliable and scientifically formulated diet to support your cat’s weight management, this 6 lb bag of dry food is a great choice.

Pros:

  • Specifically formulated to support healthy weight and lean muscle mass
  • Contains balanced nutrients for overall feline health
  • High-quality ingredients from a trusted brand, Royal Canin
  • Convenient 6 lb bag size suitable for regular feeding
  • Supports digestive health and satiety to reduce overeating

Cons:

  • May be pricier compared to generic cat food options
  • Only available in dry food form, no wet food option
  • Some cats may need gradual transition to avoid digestive upset

The Royal Canin Feline Weight Care Adult Dry Cat Food offers a scientifically balanced formula designed to help cats maintain an ideal weight. It includes controlled levels of calories and fat, combined with high protein content to promote lean muscle mass. This ensures your cat stays fit without feeling hungry, supporting their overall vitality and energy. The kibble size and texture also encourage chewing, which can aid in dental health.

Additionally, this food contains a precise blend of vitamins, minerals, and fibers that promote digestive health and help regulate appetite. The formula is crafted to meet the nutritional needs of adult cats, making it an excellent choice for those prone to weight gain or leading a less active lifestyle. With Royal Canin‘s commitment to quality, you can trust this food to support your cat’s long-term well-being while managing their weight effectively.

To buy this product, click here.

Frequently Asked Questions

What Is The Best High-calorie Supplement For Cats?

Under The Weather Ready Cal for Cats is a top high-calorie supplement. It boosts weight with 10 vitamins, 7 minerals, and omega fatty acids. It also stimulates appetite and supports overall cat health effectively.

Which Dry Cat Food Helps Indoor Cats Control Weight?

IAMS Proactive Health Indoor Weight Control & Hairball Care is ideal. It contains chicken and turkey recipes to maintain healthy weight and reduce hairballs in indoor cats.

How Does Hill’s Science Diet Support Cat Weight Management?

Hill’s Science Diet Perfect Weight offers balanced nutrition for adult cats. It helps manage weight with a chicken-based formula and supports lean muscle and overall health.

Can Purina One Dry Cat Food Help Cats Gain Weight?

Purina ONE High Protein Healthy Plus Ideal with Chicken supports healthy weight gain. Its protein-rich formula helps cats build muscle and maintain energy levels effectively.

What Natural Ingredients Aid Cat Weight Management?

Blue Buffalo Tastefuls Adult Dry Cat Food uses natural ingredients and chicken. It supports weight management with wholesome nutrition and is made in the USA for quality assurance.

Is Royal Canin Effective For Feline Weight Care?

Royal Canin Feline Weight Care provides tailored nutrition to manage weight. Its formula promotes satiety and lean body mass, making it effective for adult cats needing weight control.

Conclusion

Choosing the right cat food can help your cat gain weight safely and healthily. Foods with high calories, protein, and essential vitamins support muscle growth and energy. Supplements like Ready Cal add extra calories and nutrients when your cat needs a boost.

Balanced diets, such as Purina ONE and Hill’s Science Diet, offer good nutrition and weight control together. It is important to pick foods that suit your cat’s taste and health needs. Always watch your cat’s progress and talk to your vet if you notice any changes.

A steady, healthy weight gain improves your cat’s overall well-being and happiness. Remember, patience is key. Small changes over time lead to the best results. Feeding your cat the right food helps them stay active, strong, and full of life.

Give your furry friend the care they deserve with the best cat food for weight gain.

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catloverlane

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