10 Best Weight Loss Cat Food in The UK

Last updated on 16/08/2025
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Best Choice
1
9.9
Exceptional
PRO PLAN VETERINARY DIETS Dog Food Obesity Management 5kg (Single Case)
Pro Plan Veterinary Diets
PRO PLAN VETERINARY DIETS Dog Food Obesity Management 5kg (Single Case)
Free Shipping
Why We Love It
  • Promotes weight loss healthily.
  • Minimizes urinary stones formation.
  • Maintains cat's ideal weight.
Main Highlights
  • High protein to help promote loss of body fat while maintaining lean muscles during weight loss
  • Low calorie diet to help with weight loss
  • Urinary security: helps minimise struvite and oxalate urinary stones formation which are more common in overweight cats
  • High levels of natural fibre and protein to help your cat feel full and satisfied
  • Once ideal weight is reached, your cat can continue to be fed ppvd om to help maintain their ideal weight
9.9
Exceptional
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Best Value
2
9.8
Exceptional
Save 25%
Royal Canin Satiety Cat Food, 3.5 kg
Royal Canin
Royal Canin Satiety Cat Food, 3.5 kg
25% Off
Why We Love It
  • Keeps adults feeling full.
  • Supports adult nutritional needs.
  • Convenient dry food option.
Main Highlights
  • Satiety
  • Adult
  • Dry food
9.8
Exceptional
Save 25%
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3
9.7
Exceptional
Save 39%
IAMS Light in Fat Complete Dry Cat Food Chicken 10kg - 30% Lower Fat Formula
IAMS
IAMS Light in Fat Complete Dry Cat Food Chicken 10kg - 30% Lower Fat Formula
39% OffFree Shipping
Why We Love It
  • Supports cat's lean body condition.
  • Promotes healthy weight control.
  • Enhances healthy digestion.
Main Highlights
  • 84% animal protein (out of total protein), supporting your cat's natural needs and providing the great taste they love
  • Contains 30% less fat than IAMS Adult Cat with Fresh Chicken for a lean and healthy body condition
  • Reduced fat recipe suitable for sterilised cats and for adult or senior cats requiring weight loss or weight control diets
  • Contains 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
9.7
Exceptional
Save 39%
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4
9.7
Exceptional
Royal Canin Satiety Weight Loss Support Veterinary Health Nutrition Cat Food 48 x 85g pouches
ROYAL CANIN
Royal Canin Satiety Weight Loss Support Veterinary Health Nutrition Cat Food 48 x 85g pouches
Why We Love It
  • Supports healthy weight management.
  • Veterinary-approved nutrition.
  • Convenient 85g pouches.
Main Highlights
  • Royal Canin Satiety Weight Loss Support Veterinary Health Nutrition Cat Food 48 X 85G Pouches
  • Royal Canin Satiety Weight Loss Support Veterinary Health Nutrition Cat Food 48 x 85g pouches
  • Brand: ROYAL CANIN
9.7
Exceptional
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5
9.6
Superb
Royal Canin Light Weight Care Adult Dry Cat Food 1.5kg
ROYAL CANIN
Royal Canin Light Weight Care Adult Dry Cat Food 1.5kg
Why We Love It
  • Lightweight and easy to handle.
  • Premium nutrition for pets.
  • Trusted brand, Royal Canin.
Main Highlights
  • FCN Light Weight Care 1,5kg
  • product type: PET FOOD
  • brand: ROYAL CANIN
  • color: Light40
  • size: 1.5 kg
9.6
Superb
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6
9.5
Superb
Royal Canin Appetite Control Care Adult Dry Cat Food 2kg (Suitable for Sterilised Cats)
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
9.5
Superb
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7
9.4
Superb
Royal Canin Cat Food Indoor Appetite Control 2 KG
Royal Canin
Royal Canin Cat Food Indoor Appetite Control 2 KG
Why We Love It
  • Caters to adult cat needs.
  • Promotes optimal feline health.
  • Convenient dry food form.
Main Highlights
  • Pet food for Cats
  • Dry food
  • Recommended for Cats above 12 months
9.4
Superb
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8
9.3
Superb
Royal Canin Veterinary Satiety Weight Management Feline, 400 g, Complete Diet for Cats, for Cats with Low Energy Content to Reduce Overweight
ROYAL CANIN
Royal Canin Veterinary Satiety Weight Management Feline, 400 g, Complete Diet for Cats, for Cats with Low Energy Content to Reduce Overweight
Why We Love It
  • Optimal weight management for cats.
  • Tailored daily rations for progress.
  • Supports healthy weight loss goals.
Main Highlights
  • Overweight in cats – Royal Canin Satiety Weight Management Feline is a complete diet feed for cats. It can help reduce excess weight
  • Target weight of the cat – the individual target weight and the daily ration are set. The recommended amount of food is based on the ideal weight of the animal
  • Daily rations – the daily ration at the beginning of the diet must be adjusted in the following controls depending on individual progress and weight loss
  • Energy requirements: the energy requirement to maintain the ideal weight after successful weight loss is lower than that of cats that have never been overweight
  • The goal of reduction – the goal should be a reduction in body weight of 0.5 - 2% per week. Royal Canin Satiety Weight Management Feline can help
9.3
Superb
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9
9.1
Superb
Royal Canin Light Weight Care in Gravy Adult Wet Cat Food 85g (Pack of 12)
ROYAL CANIN
Royal Canin Light Weight Care in Gravy Adult Wet Cat Food 85g (Pack of 12)
Why We Love It
  • Promotes healthy urinary system.
  • Helps control bodyweight effectively.
  • Preserves muscle mass beautifully.
Main Highlights
  • Help control bodyweight of cats over one year old
  • 19% calorie reduction
  • Promotes a healthy urinary system
  • Helps preserve muscle mass
  • Pack of 12
9.1
Superb
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10
8.9
Excellent
PRO PLAN VETERINARY DIETS OM Obesity Management Chicken Dry Cat Food 1.5kg
Pro Plan Veterinary Diets
PRO PLAN VETERINARY DIETS OM Obesity Management Chicken Dry Cat Food 1.5kg
Why We Love It
  • Promotes healthier weight loss.
  • Aids in preventing urinary stones.
  • Keeps cats full and satisfied.
Main Highlights
  • High protein to help promote loss of body fat while maintaining lean muscles during weight loss.
  • Low calorie diet to help with weight loss
  • Urinary security: helps minimise struvite and oxalate urinary stones formation which are more common in overweight cats
  • With St/Ox to help support urinary health in cats which may be susceptible to urinary conditions.
  • High levels of natural fibre and protein to help your cat feel full and satisfied.
8.9
Excellent
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Royal Canin Wet Cat Food Nutrition Ultra Light Jelly 12 x 85g Pouches
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PURINA ONE | Light Dry Cat Food Chicken and Wheat, 3kg
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We scanned 464 products

We reviewed these offers relevant to the Weight Loss Cat Food within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Pro Plan Veterinary Diets, Royal Canin, IAMS, ROYAL CANIN, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.
For the best Weight Loss Cat Food in the market, we considered we took a deep dive into 2321 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

  • The clear winner of our analysis is PRO PLAN VETERINARY DIETS Dog Food Obesity Management 5kg (Single Case). We love many things about this product by Pro Plan Veterinary Diets. What sets it apart from the competition is Promotes weight loss healthily, Minimizes urinary stones formation, Maintains cat's ideal weight.
  • The best value product for most shoppers and where user satisfaction is continuously the highest is Royal Canin Satiety Cat Food, 3.5 kg by Royal Canin based on online reviews by bloggers, experts and online shoppers.
  • The biggest bargain at the moment for Weight Loss Cat Food and the best cost-to-value ratio is IAMS Light in Fat Complete Dry Cat Food Chicken 10kg - 30% Lower Fat Formulaat IAMS with a 39% discount.
  • Our list of the best Weight Loss Cat Food is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.