10 Best High Calorie Cat Food To Gain Weight in The UK

Last updated on 07/09/2025
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Most Relevant
Best Choice
1
Barking Heads Complete Dry Dog Food 12kg - Adult All Hounder Fat Dog Slim Chicken - Natural Low Fat Weight Management for Overweight Dogs - Vet Approved
Barking Heads Complete Dry Dog Food 12kg - Adult All Hounder Fat Dog Slim Chicken - Natural Low Fat Weight Management for Overweight Dogs - Vet Approved
Barking Heads
22% OffFree Shipping
Why We Love It
  • Supports weight loss in dogs.
  • Natural ingredient, vet-approved recipe.
  • Promotes joint health.
Main Highlights
  • 50% FREE-RUN CHICKEN - Our Fat Dog Slim dry dog food is made with tasty freshly prepared free-run chicken, blended with generous portions of healthy grains & vegetables, like rice, peas & carrots
  • NATURAL INGREDIENTS - We believe in the power of natural ingredients! Our recipe is crafted with only the best quality, natural ingredients and contains absolutely no nasties & no fillers. That's a promise.
  • WEIGHT MANAGEMENT & JOINT SUPPORT - Less fat, healthier joints! With 30% less fat and added glucosamine & chondroitin, our recipe helps manage weight and keep joints strong. A tasty choice for a trim pup with strong joints!
  • LONG LASTING FULLNESS & BODY CONDITION - Stay satisfied, look fantastic! Packed with slow-release carbs from oats and L-carnitine, our recipe keeps your dog fuller for longer and in tip-top shape. A delicious way to keep tails wagging and bodies healthy!
  • APPROVED BY THE BEST - Our natural dog food isn't just loved by pets; it's also approved by expert vets and specialist pet retailers! When it comes to quality and trust, we've got the stamp of approval from the ones who know best. It's a testament to our commitment to providing the best nutrition for your furry family member.
  • Item display weight: 12000.0 grams.
9.8
Exceptional
9.8
Exceptional
Barking Heads
Barking Heads Complete Dry Dog Food 12kg - Adult All Hounder Fat Dog Slim Chicken - Natural Low Fat Weight Management for Overweight Dogs - Vet Approved
22% OffFree Shipping
Why We Love It
  • Supports weight loss in dogs.
  • Natural ingredient, vet-approved recipe.
  • Promotes joint health.
Main Highlights
  • 50% FREE-RUN CHICKEN - Our Fat Dog Slim dry dog food is made with tasty freshly prepared free-run chicken, blended with generous portions of healthy grains & vegetables, like rice, peas & carrots
  • NATURAL INGREDIENTS - We believe in the power of natural ingredients! Our recipe is crafted with only the best quality, natural ingredients and contains absolutely no nasties & no fillers. That's a promise.
  • WEIGHT MANAGEMENT & JOINT SUPPORT - Less fat, healthier joints! With 30% less fat and added glucosamine & chondroitin, our recipe helps manage weight and keep joints strong. A tasty choice for a trim pup with strong joints!
  • LONG LASTING FULLNESS & BODY CONDITION - Stay satisfied, look fantastic! Packed with slow-release carbs from oats and L-carnitine, our recipe keeps your dog fuller for longer and in tip-top shape. A delicious way to keep tails wagging and bodies healthy!
  • APPROVED BY THE BEST - Our natural dog food isn't just loved by pets; it's also approved by expert vets and specialist pet retailers! When it comes to quality and trust, we've got the stamp of approval from the ones who know best. It's a testament to our commitment to providing the best nutrition for your furry family member.
  • Item display weight: 12000.0 grams.
Value for Money
2
IAMS Light in Fat Complete Dry Dog Food Chicken 12kg - 30% Lower Fat Formula
IAMS Light in Fat Complete Dry Dog Food Chicken 12kg - 30% Lower Fat Formula
IAMS
12% Off
Why We Love It
  • Supports healthy vitality in dogs.
  • Free from artificial substances.
  • Promotes strong immune system.
Main Highlights
  • 69% animal protein (out of total protein), supporting your dog's natural needs and providing the great taste they love
  • 30% less fat compared to IAMS with Fresh Chicken for Small and Medium Breeds, for a lean and healthy body condition
  • Reduced fat recipe supports weight loss and weight control. Perfectly suitable for neutered dogs.
  • With L-carnitine to support fat metabolism. Tailored fibre blend, including prebiotics and beet pulp, for healthy digestion
  • Wheat free recipe* with no fillers, artificial colours, flavours or GMOs *produced in a factory which handles wheat
9.6
Superb
9.6
Superb
IAMS
IAMS Light in Fat Complete Dry Dog Food Chicken 12kg - 30% Lower Fat Formula
12% Off
Why We Love It
  • Supports healthy vitality in dogs.
  • Free from artificial substances.
  • Promotes strong immune system.
Main Highlights
  • 69% animal protein (out of total protein), supporting your dog's natural needs and providing the great taste they love
  • 30% less fat compared to IAMS with Fresh Chicken for Small and Medium Breeds, for a lean and healthy body condition
  • Reduced fat recipe supports weight loss and weight control. Perfectly suitable for neutered dogs.
  • With L-carnitine to support fat metabolism. Tailored fibre blend, including prebiotics and beet pulp, for healthy digestion
  • Wheat free recipe* with no fillers, artificial colours, flavours or GMOs *produced in a factory which handles wheat
3
RECOACTIV Recovery Immune for cats, 1 x 280 ml, high-calorie complete diet food for cats suffering from malnutrition and during recovery, to promote weight gain, and for pets who refuse to eat
RECOACTIV Recovery Immune for cats, 1 x 280 ml, high-calorie complete diet food for cats suffering from malnutrition and during recovery, to promote weight gain, and for pets who refuse to eat
RECOACTIV
Free Shipping
Why We Love It
  • Regain strength during weakness.
  • Essential vitamins and nutrients.
  • Easy to administer liquid.
Main Highlights
  • APPLICATIONS: RECOACTIV Recovery Immune was developed especially for cats that need to regain their strength after a period of weakness or an acute nutritional crisis. It is suitable as a complete food during acute phases, and also as a supplement to be given with the usual food.
  • INGREDIENTS: The formula contains valuable ingredients which cover your pet’s requirements of vital nutrients, providing complete nutrition particularly during phases of malnourishment. All RECOACTIV products include essential vitamins and trace elements, and consist of natural, food quality ingredients. They are free of grains, sugar, dyes and preservatives.
  • INTAKE: Thanks to its liquid form, the wholesome food for weakened cats is easy and convenient to administer, even to animals with mouth and throat issues.
  • ACCEPTANCE: Cats readily accept the highly palatable and well tolerated product, making it a popular animal feed.
  • QUALITY OF LIFE: It is a common problem for cats to eat poorly and suffer from low body weight when they feel unwell or are ill. RECOACTIV develops products that restore your pet’s nutritional health, supporting it during nutritional crises and periods of weakness, and allowing it to lead a comfortable life.
9.4
Superb
9.4
Superb
RECOACTIV
RECOACTIV Recovery Immune for cats, 1 x 280 ml, high-calorie complete diet food for cats suffering from malnutrition and during recovery, to promote weight gain, and for pets who refuse to eat
Free Shipping
Why We Love It
  • Regain strength during weakness.
  • Essential vitamins and nutrients.
  • Easy to administer liquid.
Main Highlights
  • APPLICATIONS: RECOACTIV Recovery Immune was developed especially for cats that need to regain their strength after a period of weakness or an acute nutritional crisis. It is suitable as a complete food during acute phases, and also as a supplement to be given with the usual food.
  • INGREDIENTS: The formula contains valuable ingredients which cover your pet’s requirements of vital nutrients, providing complete nutrition particularly during phases of malnourishment. All RECOACTIV products include essential vitamins and trace elements, and consist of natural, food quality ingredients. They are free of grains, sugar, dyes and preservatives.
  • INTAKE: Thanks to its liquid form, the wholesome food for weakened cats is easy and convenient to administer, even to animals with mouth and throat issues.
  • ACCEPTANCE: Cats readily accept the highly palatable and well tolerated product, making it a popular animal feed.
  • QUALITY OF LIFE: It is a common problem for cats to eat poorly and suffer from low body weight when they feel unwell or are ill. RECOACTIV develops products that restore your pet’s nutritional health, supporting it during nutritional crises and periods of weakness, and allowing it to lead a comfortable life.
4
RECOACTIV Recovery Renal for cats, 1 x 280 ml, high-calorie complete diet food for cats with kidney dysfunction and increased energy requirements during recovery, to promote weight gain
RECOACTIV Recovery Renal for cats, 1 x 280 ml, high-calorie complete diet food for cats with kidney dysfunction and increased energy requirements during recovery, to promote weight gain
RECOACTIV
Free Shipping
Why We Love It
  • Supports kidney health effectively.
  • High-quality, natural ingredients used.
  • Easy to administer and serve.
Main Highlights
  • APPLICATIONS: RECOACTIV Recovery Renal for cats was developed to support cats suffering from kidney problems who have increased energy requirements. It can be used as a high-calorie complete food or in combination with the pet’s usual food as a special kidney diet.
  • INGREDIENTS: The formula contains moderate amounts of high-quality proteins and reduced phosphate, to relieve the kidneys and provide the weakened cat with complete nutrition. All RECOACTIV products include essential vitamins and trace elements, and consist of natural, food quality ingredients. They are free of grains, sugar, dyes and preservatives.
  • INTAKE: Thanks to its liquid form, the wholesome food for cats with kidney problems is easy and convenient to administer, even to animals with mouth and throat issues.
  • ACCEPTANCE: Cats readily accept the highly palatable and well tolerated product, making it a popular animal feed.
  • QUALITY OF LIFE: Chronic renal insufficiency and refusal to eat kidney diet food are common problems in cats. RECOACTIV develops products that restore your pet’s nutritional health, supporting it during nutritional crises and periods of weakness, and allowing it to lead a comfortable life.
9.4
Superb
9.4
Superb
RECOACTIV
RECOACTIV Recovery Renal for cats, 1 x 280 ml, high-calorie complete diet food for cats with kidney dysfunction and increased energy requirements during recovery, to promote weight gain
Free Shipping
Why We Love It
  • Supports kidney health effectively.
  • High-quality, natural ingredients used.
  • Easy to administer and serve.
Main Highlights
  • APPLICATIONS: RECOACTIV Recovery Renal for cats was developed to support cats suffering from kidney problems who have increased energy requirements. It can be used as a high-calorie complete food or in combination with the pet’s usual food as a special kidney diet.
  • INGREDIENTS: The formula contains moderate amounts of high-quality proteins and reduced phosphate, to relieve the kidneys and provide the weakened cat with complete nutrition. All RECOACTIV products include essential vitamins and trace elements, and consist of natural, food quality ingredients. They are free of grains, sugar, dyes and preservatives.
  • INTAKE: Thanks to its liquid form, the wholesome food for cats with kidney problems is easy and convenient to administer, even to animals with mouth and throat issues.
  • ACCEPTANCE: Cats readily accept the highly palatable and well tolerated product, making it a popular animal feed.
  • QUALITY OF LIFE: Chronic renal insufficiency and refusal to eat kidney diet food are common problems in cats. RECOACTIV develops products that restore your pet’s nutritional health, supporting it during nutritional crises and periods of weakness, and allowing it to lead a comfortable life.
5
Cat Nutri - cal 4.25oz
Cat Nutri - cal 4.25oz
Tomlyn
Free Shipping
Why We Love It
  • Ideal for fussy eaters.
  • Veterinarian recommended nutritional gel.
  • Supports healthy heart and joints.
Main Highlights
  • Nutritional oral gel for kittens who need extra calories and vitamins; ideal for pets refusing food
  • Appetite stimulant, calorie booster, weight gainer for fussy eaters; veterinarian recommended
  • Nutri-Cal high-calorie gel; concentrated source of vitamins and minerals, ideal for growing kittens
  • Contains Omega-3 and Omega-6 essential fatty acids to support a healthy heart, skin and joints
  • Palatable, simple to administer, easily-digested gel; accessible calories support a healthy appetite
9.2
Superb
9.2
Superb
Tomlyn
Cat Nutri - cal 4.25oz
Free Shipping
Why We Love It
  • Ideal for fussy eaters.
  • Veterinarian recommended nutritional gel.
  • Supports healthy heart and joints.
Main Highlights
  • Nutritional oral gel for kittens who need extra calories and vitamins; ideal for pets refusing food
  • Appetite stimulant, calorie booster, weight gainer for fussy eaters; veterinarian recommended
  • Nutri-Cal high-calorie gel; concentrated source of vitamins and minerals, ideal for growing kittens
  • Contains Omega-3 and Omega-6 essential fatty acids to support a healthy heart, skin and joints
  • Palatable, simple to administer, easily-digested gel; accessible calories support a healthy appetite
6
Royal Canin Appetite Control Care Adult Dry Cat Food 2kg (Suitable for Sterilised Cats)
Royal Canin Appetite Control Care Adult Dry Cat Food 2kg (Suitable for Sterilised Cats)
ROYAL CANIN
Why We Love It
  • Ideal for adult cats.
  • Promotes healthier feline growth.
  • Offers dry food variety.
Main Highlights
  • Pet food for Cats
  • Dry food
  • Recommended for Cats above 12 months
9.1
Superb
9.1
Superb
ROYAL CANIN
Royal Canin Appetite Control Care Adult Dry Cat Food 2kg (Suitable for Sterilised Cats)
Why We Love It
  • Ideal for adult cats.
  • Promotes healthier feline growth.
  • Offers dry food variety.
Main Highlights
  • Pet food for Cats
  • Dry food
  • Recommended for Cats above 12 months
7
ZIWI Peak Steam & Dried Cage-free Chicken with Whole Mackerel, 800 g - Natural, High Protein Cat Food Dry, Raw Alternative & Grain Free Complete Dry Cat Food
ZIWI Peak Steam & Dried Cage-free Chicken with Whole Mackerel, 800 g - Natural, High Protein Cat Food Dry, Raw Alternative & Grain Free Complete Dry Cat Food
ZIWI
Free Shipping
Why We Love It
  • Innovative and nutritious cat kibble.
  • Ethically-sourced premium ingredients.
  • Gentle on sensitive stomachs.
Main Highlights
  • Innovative Z-MicroSteam technology creates nutritious cat kibble that's both a complete dry food cat option and a delicious cat treat.
  • Premium cat dry food made with 90% ethically-sourced meat, organs, and whole fish for optimal cat health.
  • Natural cat food rich in taurine for cats, supporting heart health and vision in both kittens and adult cats.
  • Gentle on digestion, making it an excellent cat food for sensitive stomachs and a top choice of sensitive cat food dry.
  • Cage-free chicken with whole mackerel creates a irresistible cat food for fussy eaters, so pallatable they even work as high value cat treats.
8.9
Excellent
8.9
Excellent
ZIWI
ZIWI Peak Steam & Dried Cage-free Chicken with Whole Mackerel, 800 g - Natural, High Protein Cat Food Dry, Raw Alternative & Grain Free Complete Dry Cat Food
Free Shipping
Why We Love It
  • Innovative and nutritious cat kibble.
  • Ethically-sourced premium ingredients.
  • Gentle on sensitive stomachs.
Main Highlights
  • Innovative Z-MicroSteam technology creates nutritious cat kibble that's both a complete dry food cat option and a delicious cat treat.
  • Premium cat dry food made with 90% ethically-sourced meat, organs, and whole fish for optimal cat health.
  • Natural cat food rich in taurine for cats, supporting heart health and vision in both kittens and adult cats.
  • Gentle on digestion, making it an excellent cat food for sensitive stomachs and a top choice of sensitive cat food dry.
  • Cage-free chicken with whole mackerel creates a irresistible cat food for fussy eaters, so pallatable they even work as high value cat treats.
8
Harringtons Complete Dry Adult Cat Food Chicken 2kg (Pack of 4) - Tasty Natural Goodness
Harringtons Complete Dry Adult Cat Food Chicken 2kg (Pack of 4) - Tasty Natural Goodness
HARRINGTONS
27% OffFree Shipping
Why We Love It
  • Natural ingredients ensure wholesome nutrition.
  • Formulation supports vision and heart.
  • Committed to environmental sustainability.
Main Highlights
  • 1. TASTY NATURAL GOODNESS - Complete, wholesome and with all-natural ingredients – Harringtons is the tasty, healthy everyday choice for every cat
  • 2. RICH IN CHICKEN - Harringtons Chicken Dry Cat Food 4x2kg is a complete adult cat food that has been carefully formulated using all natural ingredients to provide wholesome nutrition for your cat
  • 3. SPECIALLY FORMULATED - Harringtons Dry Cat food is enriched with Taurine to help support vision & heart health
  • 4. CARING FOR THE ENVIRONMENT - As part of our efforts to keep packaging to a minimum and help send less packaging waste to landfill, this pack is made from recyclable paper
  • 5. MADE IN THE UK – Harringtons dry cat food is proudly made by ourselves right here in the UK and has been family run since 1923
8.8
Excellent
8.8
Excellent
HARRINGTONS
Harringtons Complete Dry Adult Cat Food Chicken 2kg (Pack of 4) - Tasty Natural Goodness
27% OffFree Shipping
Why We Love It
  • Natural ingredients ensure wholesome nutrition.
  • Formulation supports vision and heart.
  • Committed to environmental sustainability.
Main Highlights
  • 1. TASTY NATURAL GOODNESS - Complete, wholesome and with all-natural ingredients – Harringtons is the tasty, healthy everyday choice for every cat
  • 2. RICH IN CHICKEN - Harringtons Chicken Dry Cat Food 4x2kg is a complete adult cat food that has been carefully formulated using all natural ingredients to provide wholesome nutrition for your cat
  • 3. SPECIALLY FORMULATED - Harringtons Dry Cat food is enriched with Taurine to help support vision & heart health
  • 4. CARING FOR THE ENVIRONMENT - As part of our efforts to keep packaging to a minimum and help send less packaging waste to landfill, this pack is made from recyclable paper
  • 5. MADE IN THE UK – Harringtons dry cat food is proudly made by ourselves right here in the UK and has been family run since 1923
9
Whiskas 7+ Senior Chicken 4 x 1.9 kg Bags, Senior Dry Cat Food
Whiskas 7+ Senior Chicken 4 x 1.9 kg Bags, Senior Dry Cat Food
whiskas
50% OffFree Shipping
Why We Love It
  • Formulated for senior cat health.
  • Supports lower urinary tract health.
  • Made with 100% renewable energy.
Main Highlights
  • 100 percent complete and balanced dry cat food
  • Contains tasty filled pockets - Crunchy on the outside with a soft and delicious centre
  • Senior cat food, dry with controlled minerals to help support urinary tract health
  • With omega 6 fatty acids and zinc to help support a healthy skin and coat
  • With Taurine to help support a healthy heart
  • Senior cat food biscuits help clean teeth by gentle abrasive effect
8.7
Excellent
8.7
Excellent
whiskas
Whiskas 7+ Senior Chicken 4 x 1.9 kg Bags, Senior Dry Cat Food
50% OffFree Shipping
Why We Love It
  • Formulated for senior cat health.
  • Supports lower urinary tract health.
  • Made with 100% renewable energy.
Main Highlights
  • 100 percent complete and balanced dry cat food
  • Contains tasty filled pockets - Crunchy on the outside with a soft and delicious centre
  • Senior cat food, dry with controlled minerals to help support urinary tract health
  • With omega 6 fatty acids and zinc to help support a healthy skin and coat
  • With Taurine to help support a healthy heart
  • Senior cat food biscuits help clean teeth by gentle abrasive effect
10
Arden Grange Light Grain Free Dry Cat Food, Fresh Chicken and Potato, 4 kg
Arden Grange Light Grain Free Dry Cat Food, Fresh Chicken and Potato, 4 kg
Arden Grange
5% OffFree Shipping
Why We Love It
  • Healthy yet delicious meals.
  • Reflects cats' natural diet.
  • Promotes optimum pet health.
Main Highlights
  • A complete, super premium pet food for adult cats that are less active, overweight or prone to weight gain such as neutered or indoor cats; Although lower in calories and fat than our standard diet, generous helpings of fresh chicken provide a healthy yet delicious meal
  • Free from grains and cereals to more closely reflect a cats natural diet, while providing the balanced nutrition required for our domesticated feline friends
  • Free from artificial colours, flavours and preservatives; Containing a unique blend of nutrients and natural supplements to help promote the optimum health, vitality and condition of your pet
  • Including prebiotics to aid digestion, joint supplements, taurine for a healthy heart, sight and nervous system; essential fatty acids to help promote a healthy skin and coat, cranbeerry extract for urinary tract health, natural fibres to help prevent fur balls
  • Naturally hypoallergenic - free from wheat-gluten, beef, soya or dairy products
8.7
Excellent
8.7
Excellent
Arden Grange
Arden Grange Light Grain Free Dry Cat Food, Fresh Chicken and Potato, 4 kg
5% OffFree Shipping
Why We Love It
  • Healthy yet delicious meals.
  • Reflects cats' natural diet.
  • Promotes optimum pet health.
Main Highlights
  • A complete, super premium pet food for adult cats that are less active, overweight or prone to weight gain such as neutered or indoor cats; Although lower in calories and fat than our standard diet, generous helpings of fresh chicken provide a healthy yet delicious meal
  • Free from grains and cereals to more closely reflect a cats natural diet, while providing the balanced nutrition required for our domesticated feline friends
  • Free from artificial colours, flavours and preservatives; Containing a unique blend of nutrients and natural supplements to help promote the optimum health, vitality and condition of your pet
  • Including prebiotics to aid digestion, joint supplements, taurine for a healthy heart, sight and nervous system; essential fatty acids to help promote a healthy skin and coat, cranbeerry extract for urinary tract health, natural fibres to help prevent fur balls
  • Naturally hypoallergenic - free from wheat-gluten, beef, soya or dairy products