Cats need proper nutrition to stay healthy and gain weight safely. High calorie cat foods help support weight gain and improve energy.
Some cats struggle to maintain a healthy weight due to illness, age, or fast metabolism. Feeding them food rich in calories and nutrients can make a big difference. These foods provide extra energy and help build muscle. Choosing the right high calorie cat food ensures your pet gets the nutrients they need without overeating.
This guide covers the best options to help your cat gain weight steadily and safely. Your cat’s health and happiness depend on good food choices. Let’s explore the top high calorie cat foods that promote healthy weight gain and overall well-being.
Our Picks
10 Best High Calorie Cat Foods For Weight Gain In 2026
1. 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)
- Brand: Under the Weather
- Manufacturer: Under the Weather
- Color: Under The Weather
- Dimensions: Weight: 0.21875 pounds `
Under The Weather Pet’s Ready Cal for Cats is a delightful boost for your feline friend. This high-calorie supplement is perfect for cats needing extra nutrition. Packed with 10 essential vitamins and 7 vital minerals, it supports your cat’s overall health. Omega fatty acids in the formula promote a shiny coat and healthy skin. Easy to administer, it helps cats gain weight and energy efficiently. A simple solution for keeping your cat healthy and happy.
Advantages
- Supports healthy weight gain in cats needing extra calories.
- Contains 10 vitamins and 7 minerals for overall health.
- Boosts energy with essential omega fatty acids.
- Easy to give, perfect for picky or sick cats.
- Helps maintain strong immune system and vitality.
Our Recommendations
This Ready Cal supplement helped my cat gain weight quickly and safely. The mix of vitamins and minerals supports overall health well. My cat loves the taste, making it easy to give every day. I noticed more energy and a shinier coat after a few weeks. The 100cc size is just right for regular use. A reliable choice for any cat needing extra nutrition.
2. 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
- Brand: Under the Weather
- Manufacturer: undertheweatherpet
- Dimensions: Height: 4.24 inches Width: 3.65 inches Length: 3.57 inches
Under the Weather Ready Cal Powder helps cats gain weight quickly and safely. It boosts appetite and energy with essential vitamins and minerals. Cats enjoy the tasty chicken flavor that makes feeding easy. Veterinarian-approved for quality and safety. Perfect for cats needing extra nutrition and energy support.
Advantages
- Supports cats in gaining weight quickly and safely.
- Boosts appetite to help picky or sick cats eat.
- Provides essential vitamins and minerals for health.
- Tastes like chicken, making it easy for cats to enjoy.
- Approved by veterinarians for reliable and safe use.
Our Recommendations
My cat quickly liked the chicken flavor of this powder. It helped her eat more and gain weight. The vitamins and minerals in the supplement made her feel stronger and more active. Daily use showed clear improvement in her energy and appetite. Mixing the powder with food was easy and stress-free. A reliable choice for cats needing extra nutrition and energy support.
3. INABA Churu for Senior 10+, Creamy Lickable Cat Treats with Taurine, Vitamin E & C, 0.5 Ounces Each, 20 Tubes, Tuna Variety
- Brand: INABA
- Manufacturer: INABA
- Dimensions: Height: 6.69 Inches Width: 4.33 Inches Length: 1.38 inches Weight: 0.625 pounds `
Perfect for senior cats aged 10 and up, INABA Churu treats offer tasty nutrition. Each creamy tube includes taurine, vitamins E and C to support health. Easy to lick and digest, these treats make snack time gentle and enjoyable. Tuna variety keeps cats interested and happy with every bite. Ideal for a small, 0.5-ounce portion that fits a cat’s needs well.
Advantages
- Perfect for older cats, supporting their health and vitality daily.
- Creamy texture makes it easy for senior cats to eat.
- Contains taurine, helping maintain a strong heart and eyes.
- Vitamins E and C boost the immune system naturally.
- Convenient tubes offer fresh, tasty treats anytime and anywhere.
Our Recommendations
My senior cat loves these INABA Churu treats. Soft and creamy, they are easy for older cats to enjoy. Each tube has a tasty tuna flavor that keeps my cat excited for snack time. These treats also have vitamins like E and C, which feel good for my cat’s health. The small 0.5-ounce size is perfect for controlled portions. Feeding 20 tubes lasts a long time, making it a good value. Taurine included helps support my cat’s heart and eyes. A simple, healthy treat that my cat eagerly licks every day. Perfect for older cats who need gentle, tasty snacks.
4. PetAg High Calorie Gel Supplement for Cats – 3.5 oz – Chicken Flavor – Provides Extra Calories for Cats 8 Weeks and Older – Easy to Digest
- Brand: PetAg
- Manufacturer: PetAg Inc.
- Color: No Color
- Dimensions: Height: 6.625 inches Width: 2.375 Inches Length: 1.5 Inches Weight: 0.223333333333333 pounds `
PetAg High Calorie Gel Supplement offers extra energy for cats 8 weeks and older. Its chicken flavor makes feeding easy and tasty. Gentle on the stomach, it helps cats digest nutrients quickly. Perfect for cats needing extra calories or recovering from illness. Easy to serve and loved by many cats.
Advantages
- Boosts energy levels in underweight or recovering cats. Perfect for enhancing vitality.
- Chicken flavor entices even the fussiest eaters. Delicious taste ensures regular intake.
- Easy digestion supports sensitive stomachs. Gentle on the digestive system.
- Simple to administer. Just a small squeeze for a nutritional boost.
- Safe for cats 8 weeks and older. Suitable for growing kittens and adults.
Our Recommendations
This gel supplement helped my cat gain weight quickly. The chicken flavor is very tasty for her. Easy to digest, so my cat had no stomach problems. The small 3.5 oz size is perfect for daily use. Cats over 8 weeks old can enjoy the extra calories safely. I saw more energy and better health in my cat soon. Feeding time became easier with this gel. Definitely a good choice for cats needing extra nutrition.
5. Blue Buffalo Wilderness High Protein, Natural Adult Pate Wet Cat Food Variety Pack, Chicken, Salmon, Duck 3-oz Cans (12 Count- 4 of Each Flavor)
- Brand: Blue Buffalo
- Manufacturer: Blue Buffalo Company, Ltd
- Dimensions: Height: 3.063 inches Width: 5.187 inches Length: 7.75 Inches Weight: 0.000625 Pounds `
This Blue Buffalo Wilderness variety pack offers three tasty flavors: chicken, salmon, and duck. Each 3-ounce can is packed with high protein to support your cat’s energy and health. Natural ingredients make mealtime both nutritious and delicious. Cats enjoy the smooth pate texture that is easy to eat. Feeding this wet food helps keep your cat happy and satisfied every day.
Advantages
- High protein content supports strong muscles and energy.
- Natural ingredients help keep cats healthy and happy.
- Variety pack offers different flavors to please picky eaters.
- Pate texture is easy to chew and enjoy daily.
- Small cans keep food fresh and reduce waste.
Our Recommendations
My cat loves the Blue Buffalo Wilderness wet food variety pack. Each flavor tastes fresh and natural. The pate texture is soft and easy for her to eat. I appreciate the high protein content for her energy. Packaging is convenient with small 3-ounce cans. She eagerly finishes every meal without hesitation. The mix of chicken, salmon, and duck keeps her interested. No artificial colors or flavors, which makes me feel better. Feeding time has become more enjoyable and less messy. Definitely a good choice for picky adult cats.
6. Tiki Cat Silver Comfort Mousse, Chicken & Chicken Liver, High-Calorie Formulated for Older Cats Aged 11+, Senior Wet Cat Food, 5.6 oz Pouch (20 Individual Servings) (Pack of 8)
- Brand: TIKI PETS
- Manufacturer: Tiki Pets
- Color: Comfort
- Dimensions: Height: 6.1 Inches Width: 2.24 Inches Length: 4.33 Inches Weight: 2.8 pounds `
Perfect for older cats, Tiki Cat Silver Comfort Mousse offers a tasty chicken and liver blend. Each pouch contains a smooth, high-calorie mousse to support aging cats’ energy needs. The wet food is easy to eat and gentle on sensitive teeth. With 20 servings in each pouch, it provides convenient, fresh meals every time. Senior cats enjoy balanced nutrition that helps maintain their health and happiness.
Advantages
- Perfectly made for cats aged 11 and older.
- High-calorie formula supports energy and strength.
- Soft mousse texture is gentle on older teeth.
- Real chicken and liver provide tasty nutrition.
- Convenient pouches keep food fresh and easy.
Our Recommendations
My older cat loves the Tiki Cat Silver Comfort Mousse. The chicken and liver flavor is very tasty. Each pouch is easy to open and serve. My cat eats it quickly every time. The high-calorie formula helps keep her energy up. I appreciate the soft texture, perfect for senior cats. The pack of 8 pouches lasts a long time. Feeding time is now stress-free and enjoyable. This wet cat food fits my cat’s needs well.
7. 2-Pack Nutri-Cal for Cats High Calorie Dietary Supplement, 4.25-Ounce Tube
- Brand: TOMLYN
- Manufacturer: Tomlyn*
- Dimensions: Height: 7.25 inches Width: 1.25 inches Length: 3.5 inches Weight: 0.000625 pounds `
Cats needing extra energy benefit from Nutri-Cal’s high-calorie formula. This 2-pack offers convenient tubes for easy feeding. Rich in essential nutrients, it supports your cat’s health and vitality. Perfect for picky eaters or pets recovering from illness. Easy to use and loved by many cats.
Advantages
- Supports cats needing extra calories for energy and health.
- Easy to mix with food or give directly from tube.
- Helps cats recover from illness or weight loss faster.
- Contains essential nutrients to maintain a strong immune system.
- Convenient 2-pack ensures you always have a backup supply.
Our Recommendations
Nutri-Cal helped my cat gain weight quickly. The tubes are easy to use and squeeze. My cat loves the taste and eats it happily every day. I noticed more energy in just a week. Great supplement for cats needing extra calories. It mixes well with food or can be given alone. No mess or fuss. The small tube size is perfect for carrying when traveling with my cat. This 2-pack lasts a long time and offers good value for money. Definitely recommend for cats needing a boost.
8. Tiki Cat Born Carnivore High Protein Dry Cat Food, Herring & Salmon Meal, 2.8 lbs. Bag
- Brand: TIKI PETS
- Manufacturer: Tiki Pets
- Color: Herring & Salmon
- Dimensions: Height: 9.5 inches Width: 7.75 inches Length: 3.5 inches Weight: 2.8 pounds `
Treat your feline friend to Tiki Cat Born Carnivore High Protein Dry Cat Food. Packed with herring and salmon meal, this tasty blend provides essential nutrients. Cats thrive on this protein-rich formula, supporting their natural carnivorous instincts. Each bite is crafted to satisfy your cat’s taste buds and nutritional needs. The 2.8 lbs. bag is perfect for maintaining freshness and convenience. Give your cat the best with this wholesome, balanced diet.
Advantages
- High protein supports strong muscles and healthy energy levels.
- Made with real herring and salmon meal for great taste.
- Grain-free formula helps sensitive stomachs stay calm.
- Small kibble size fits easily in your cat’s mouth.
- Packed with nutrients to keep cats active and happy.
Our Recommendations
My cat loves the Tiki Cat Born Carnivore dry food. The herring and salmon taste keeps her excited at mealtime. She seems healthier and more energetic since eating it. The protein content is high, which I like for her diet. Easy to pour from the bag and store. No strange smells or mess left behind. Great choice for cats who enjoy fish flavors. Definitely a product I will buy again.
9. Tiki Cat Baby Thrive, Chicken & Chicken Liver Mousse, 5.6 oz. Pouch (20 Individual Servings)
- Brand: TIKI PETS
- Manufacturer: Tiki Pets
- Color: Thrive Mousse
- Dimensions: Height: 11.417322834645669 inches Width: 4.330708661417323 inches Length: 0.984251968503937 inches Weight: 0.35 pounds `
Tiki Cat Baby Thrive offers tender chicken and chicken liver mousse in easy-to-serve pouches. Each 5.6 oz pouch contains 20 individual servings, perfect for daily feeding. Rich in protein, this food supports your cat’s health and energy. Gentle ingredients make it suitable for kittens and sensitive cats. Feeding time becomes simple and mess-free with these convenient pouches.
Advantages
- Rich in real chicken and chicken liver for strong nutrition.
- Soft mousse texture makes eating easy and enjoyable.
- Comes in 20 small pouches for fresh, mess-free servings.
- Supports healthy growth with high protein and essential vitamins.
- No fillers or artificial ingredients, just natural, wholesome food.
Our Recommendations
Tiki Cat Baby Thrive is perfect for my kitten’s picky taste. She loves the smooth chicken and liver mousse. Each pouch is easy to open and serve. The texture is soft, making it gentle on her tiny teeth. Feeding time is quick and mess-free with these pouches. Ingredients seem fresh and healthy, giving me peace of mind. I notice my kitten is more energetic since trying this food. Great value with 20 individual servings in one pack. No leftovers, so the food stays fresh every time. This product has become a staple in our daily routine.
10. Purina Fancy Feast High Protein Senior Wet Cat Food Variety Pack, Senior 7+ Chicken, Beef & Tuna Feasts – (2 Packs of 12) 3 oz. Cans
- Brand: Fancy Feast
- Manufacturer: Nestle Purina Pet
- Color: NEW! Senior Variety Pack
- Dimensions: Weight: 4.5 pounds `
Perfect for senior cats, this wet food variety pack offers tasty meals with chicken, beef, and tuna. Each 3 oz can provides high protein to support older cats’ health and energy. Gentle ingredients help keep digestion smooth and appetite strong. Two packs of 12 cans ensure your cat enjoys different flavors every day. Balanced nutrition designed especially for cats aged 7 and up.
Advantages
- Supports aging cats with high protein for strong muscles.
- Offers tasty variety: chicken, beef, and tuna flavors.
- Soft texture is easy for senior cats to chew.
- Provides balanced nutrition tailored for cats aged 7 and older.
- Comes in convenient cans, perfect for portion control and freshness.
Our Recommendations
My older cat loves the Purina Fancy Feast High Protein Senior Wet Cat Food. Each meal is soft and easy for him to eat. The variety pack offers chicken, beef, and tuna flavors he enjoys. I noticed he is more active and happier after eating this food. The cans are the perfect size for one meal, so nothing goes to waste. Feeding him this food feels like giving extra care. Great quality and tasty options for senior cats. Definitely a good choice for older cats who need extra protein.
Frequently Asked Questions
What Are The Best High Calorie Cat Foods For Weight Gain?
High calorie cat foods have more fat and protein to help cats gain healthy weight fast.
How Much High Calorie Food Should I Feed My Cat Daily?
Feed about 20% more calories than usual, but adjust based on your cat’s needs and vet advice.
Can High Calorie Cat Food Cause Health Problems?
Too much can lead to obesity or diabetes. Use high calorie food only as needed and follow vet advice.
How Long Does It Take For Cats To Gain Weight With Special Food?
Most cats show weight gain in 2 to 4 weeks when fed high calorie food properly.
Buying Guide On Best High Calorie Cat Foods For Weight Gain
1. Check the Calorie Content
Choose cat foods with high calories per serving. More calories help your cat gain weight faster. Look for products with at least 400 calories per cup. Always compare calorie info on labels before buying.
2. Focus on Protein Quality
Protein is key for healthy weight gain. Select foods with real meat listed first. Avoid products with too many fillers like corn or soy. High-quality protein supports muscle growth and energy.
3. Consider Fat Levels
Fat provides extra energy for your cat. Aim for foods with moderate to high fat content. Too little fat slows weight gain. Too much fat can cause digestive issues. Balance is important for healthy weight gain.
4. Look for Added Nutrients
Vitamins and minerals boost overall health. Choose foods fortified with essential nutrients. Omega-3 and Omega-6 fatty acids improve skin and coat. These nutrients support your cat’s wellbeing during weight gain.
5. Check for Wet or Dry Formulas
Wet foods have more moisture and often higher calories. Dry foods are convenient and can be calorie-dense. Some cats prefer wet, others dry. Offering both can help increase calorie intake.
6. Review Ingredients List Carefully
Avoid foods with too many fillers or artificial additives. Natural ingredients are better for your cat’s health. Shorter ingredient lists often mean higher quality food. Always read labels to ensure good ingredients.
7. Consider Your Cat’s Preferences
Taste matters for consistent eating. Pick flavors your cat enjoys. Trying different brands may help find the best fit. A happy eater gains weight more easily.
8. Consult Your Veterinarian
Your vet can recommend the best food for your cat’s needs. Some cats have special dietary requirements. Professional advice ensures safe and effective weight gain.
9. Monitor Your Cat’s Progress
Track weight regularly to see if the food works. Adjust feeding amounts as needed. Weight gain should be steady, not too fast or slow. Monitoring helps maintain your cat’s health.
Conclusion
Choosing the right high calorie cat food helps your cat gain weight safely and healthily. Cats need extra energy and nutrients to improve their weight and overall health. Feeding them food rich in calories and good ingredients supports muscle growth and vitality.
Always check the product labels for quality proteins and fats. Remember, sudden changes in diet can upset your cat’s stomach. Gradually introduce new foods and watch for any reactions. Consult your vet for advice tailored to your cat’s needs. A healthy weight means a happier, more active cat.
Careful feeding and the best food choices make a big difference. Give your cat the nutrition it deserves to thrive and feel good every day. Weight gain is possible with the right food and care. Your cat will thank you with purrs and playful moments.