Best Food To Put On Weight For A Dog

Choosing the best food to help your dog gain weight can be challenging. It’s essential to find a balance between nutrition and palatability while keeping your dog’s specific needs in mind. Whether you’re dealing with a fussy eater, a recovering dog, or simply a breed that may need a little boost, the right food can make all the difference.

In this guide, I will explore some excellent options that help dogs maintain healthy weight gain, considering factors like protein content, ingredient quality, and overall health benefits. From high-protein powders to specially formulated dry foods, I’ll break down the best choices for different needs and preferences.

Top Picks

1
Skinner’s Field & Trial Senior Dog Food
Best Overall
Skinner’s Field & Trial Senior Dog Food
Designed for older, less active dogs
9.8
Amazon.co.uk
2
Low-Fat Adult Chicken Dog Food 14kg
Premium Performance
Low-Fat Adult Chicken Dog Food 14kg
Designed for weight management in dogs
9.5
Amazon.co.uk
3
Royal Canin Medium Light Dog Food 12kg
High Performance
Royal Canin Medium Light Dog Food 12kg
Expert nutrition for medium-sized dogs.
9.3
Amazon.co.uk
4
Barking Heads Low Fat Dog Food 12kg
Best Value
Barking Heads Low Fat Dog Food 12kg
Vet approved, made with free-run chicken
9.1
Amazon.co.uk
5
PRO PLAN Veterinary Diets Obesity Dog Food
Most Reliable
PRO PLAN Veterinary Diets Obesity Dog Food
Supports healthy weight loss in dogs
8.8
Amazon.co.uk
6
ProDog Muscle+ Dog Weight Gainer Powder
Editor's Choice
ProDog Muscle+ Dog Weight Gainer Powder
76% Protein for Healthy Weight Gain
8.6
Amazon.co.uk
7
Royal Canin Veterinary Small Breed Dog Food
Royal Canin Veterinary Small Breed Dog Food
Diet food for small overweight dogs
8.4
Amazon.co.uk
8
Royal Canin Adult Dog Wet Pouches 85g
Royal Canin Adult Dog Wet Pouches 85g
Specially formulated for light weight care.
8.2
Amazon.co.uk
9
Eukanuba Low Fat Adult Dog Food 12kg
Eukanuba Low Fat Adult Dog Food 12kg
HIGH QUALITY DOG FOOD for overweight dogs
8
Amazon.co.uk
10
Weight Control Dry Dog Food for Adults
Weight Control Dry Dog Food for Adults
Vet approved for weight management in dogs.
7.8
Amazon.co.uk

Key Takeaways

When selecting food for weight gain in dogs, consider the following key takeaways to ensure you choose the best option for your pet.

  • Look for options high in protein to support muscle gain.
  • Select foods with natural ingredients free from fillers.
  • Consider the specific dietary needs of your dog, especially if they are recovering or have sensitivities.
  • Portion control can help maintain a healthy balance and avoid overfeeding.
  • Consult with a vet to tailor the diet to your dog's health requirements.

10 Best Food To Put On Weight For A Dog

Best Overall
1

Skinner’s Field & Trial Senior Dog Food

Designed for older, less active dogs
9.8/10
EXPERT SCORE
Skinner’s Field & Trial Light & Senior is a complete dry dog food suitable for older and less active dogs. Formulated to be less energy dense, it supports weight maintenance with natural ingredients and enhanced joint support.
Updated: July 17, 2026 3:27 pm

Pros

Designed for older and less active dogs, aiding weight management.
Contains natural ingredients without artificial additives.
Enriched with joint-supporting nutrients for overall health.
Locally sourced ingredients, reflecting a commitment to quality.

Cons

Not suitable for highly active breeds needing higher energy food.
Availability might vary due to packaging changes.
Limited flavour variety may not appeal to all dogs.

Overview

Skinner’s Field & Trial Light & Senior is a complete dry dog food suitable for older and less active dogs.

Formulated to be less energy dense, it supports weight maintenance with natural ingredients and enhanced joint support.

Key Features of Skinner’s Field & Trial Light & Senior

Less energy dense formulation to assist in weight loss and maintenance.
Oval-shaped kibble promotes a feeling of fullness.
Enhanced nutrient profile supports joint health and mobility.
Historically rooted brand known for quality dog foods.

Practical considerations

When considering this dog food, it’s important to assess your dog’s activity level and dietary needs.

This product is best suited for those who are less active, and it may not meet the nutritional demands of highly energetic breeds.

Real-world insight

I’ve found that transitioning my older dog to a reduced-calorie diet like Skinner’s has noticeably improved her energy levels and overall well-being.

This food helps maintain a healthy weight while still providing essential nutrients.


Premium Performance
2

Low-Fat Adult Chicken Dog Food 14kg

Designed for weight management in dogs
9.5/10
EXPERT SCORE
I trust PRO PLAN Adult Light/Neutered Chicken Dry Dog Food for my dog’s weight management. This 14kg bag features quality chicken as the primary ingredient and helps promote a healthy body mass while keeping hunger at bay.

Pros

Supports healthy weight loss with low-fat formulation
Contains quality chicken as the primary ingredient
Promotes lean body mass maintenance
Helps curb hunger, making it easier for dogs to manage their weight

Cons

Not suitable for puppies or growing dogs
May not appeal to all dogs due to its lighter formula

Overview

I trust PRO PLAN Adult Light/Neutered Chicken Dry Dog Food for my dog’s weight management.

This 14kg bag features quality chicken as the primary ingredient and helps promote a healthy body mass while keeping hunger at bay.

Key Features of PRO PLAN Adult Light/Neutered Chicken Dry Dog Food

Complete and balanced nutrition for adult dogs
Scientifically developed by veterinarians to support weight management
Proven to help reduce feelings of hunger in dogs

Practical considerations

When considering this dog food, it’s important to ensure it fits your dog’s specific dietary needs, especially if they have special health concerns or are not overweight.

This formula is ideal for managing weight but may not be the best choice for all dogs.

Real-world insight

I’ve found that switching to this product has made a noticeable difference in my dog’s energy levels and overall health, helping her maintain a healthier physique while still enjoying her meals.


High Performance
3

Royal Canin Medium Light Dog Food 12kg

Expert nutrition for medium-sized dogs.
9.3/10
EXPERT SCORE
Royal Canin Medium Light Weight Care is designed specifically for adult dogs. This 12kg pack provides balanced nutrition to help manage weight without compromising health.
Updated: July 17, 2026 3:27 pm

Pros

Supports healthy weight management for adult dogs.
Formulated with high-quality, digestible ingredients.
Contains essential nutrients for overall pet health.
Developed with input from veterinary and behavioural experts.

Cons

Higher price point compared to standard dog food brands.
May not be suitable for all dog breeds or sizes.

Overview

Royal Canin Medium Light Weight Care is designed specifically for adult dogs.

This 12kg pack provides balanced nutrition to help manage weight without compromising health.

Key Features of Royal Canin Medium Light Weight Care

Specifically tailored for medium breed adult dogs.
Supports a healthy metabolism and weight management.
Rich in nutrients to promote overall well-being.

Practical considerations

When considering Royal Canin for my dog’s diet, it’s important to note that while it’s ideal for weight management, it is also priced on the higher end.

I should assess my budget and my dog’s specific health needs before committing.

Real-world insight

In my experience, transitioning my dog to Royal Canin Medium Light Weight Care has not only helped in weight management but has also led to noticeable improvements in energy levels and coat condition, underscoring the quality of ingredients used.


Best Value
4

Barking Heads Low Fat Dog Food 12kg

Vet approved, made with free-run chicken
9.1/10
EXPERT SCORE
Barking Heads Complete Dry Dog Food is crafted with 50% free-run chicken and packed with wholesome grains and vegetables. It's a premium low-fat option for overweight dogs, delivering essential nutrients without fillers or artificial ingredients.

Pros

Contains 50% free-run chicken for high-quality protein.
Natural ingredients with no fillers or artificial additives.
Supports weight management and joint health effectively.
Vet approved, providing peace of mind regarding nutrition.

Cons

Higher price point compared to some standard dog foods.
Limited flavour variety, which may not suit all dogs.

Overview

Barking Heads Complete Dry Dog Food is crafted with 50% free-run chicken and packed with wholesome grains and vegetables.

It’s a premium low-fat option for overweight dogs, delivering essential nutrients without fillers or artificial ingredients.

Key Features of Barking Heads Complete Dry Dog Food

Packed with slow-release carbohydrates to keep dogs fuller for longer.
Includes L-carnitine to support a lean body condition.
Crafted with a blend of healthy grains and vegetables for a balanced diet.

Practical considerations

While this dry dog food is excellent for weight management, it’s essential to ensure it aligns with my dog’s specific dietary needs and preferences.

Adjusting portion sizes based on activity levels is also necessary to achieve the best results.

Real-world insight

In my experience, finding a nutritious dog food that supports weight loss without compromising on taste can be challenging.

Barking Heads has been a game-changer for my dog, providing a satisfying meal that I feel good about serving.


Most Reliable
5

PRO PLAN Veterinary Diets Obesity Dog Food

Supports healthy weight loss in dogs
8.8/10
EXPERT SCORE
PRO PLAN VETERINARY DIETS OM provides high protein content to support fat loss while preserving lean muscle. This low-calorie dry dog food is ideal for managing obesity and controlling glucose levels in diabetic dogs.
Updated: July 17, 2026 3:27 pm

Pros

High protein formula promotes fat loss while maintaining muscle mass.
Low calorie content helps manage obesity effectively.
Specially designed for dogs with diabetes to aid in glucose control.
Proudly made by a trusted brand in pet nutrition.

Cons

May not be suitable for dogs without weight management issues.
Higher price point compared to regular dog food options.

Overview

PRO PLAN VETERINARY DIETS OM provides high protein content to support fat loss while preserving lean muscle.

This low-calorie dry dog food is ideal for managing obesity and controlling glucose levels in diabetic dogs.

Key Features of PRO PLAN VETERINARY DIETS OM

Promotes healthy weight loss while preserving lean muscle mass.
Uses low glycaemic index carbohydrates to support glucose management.
Dry formula ensures convenience and easy storage.

Practical considerations

Before purchasing, consider your dog’s specific health needs and consult with your veterinarian to ensure this diet aligns with their weight management goals and any other dietary requirements they may have.

Real-world insight

In my experience, observing my dog’s response to this food has been enlightening.

It not only aids in weight loss but also keeps them feeling satisfied, making it easier for me to maintain a consistent feeding routine.


Editor's Choice
6

ProDog Muscle+ Dog Weight Gainer Powder

76% Protein for Healthy Weight Gain
8.6/10
EXPERT SCORE
ProDog Muscle+ provides a high-protein formula designed to support underweight, fussy, and recovering dogs. This UK-made weight gainer powder is gentle on sensitive stomachs and suitable for all life stages.
Updated: July 17, 2026 3:27 pm

Pros

High protein content supports lean muscle development.
Gentle on sensitive stomachs with no dairy or artificial fillers.
Versatile for all life stages, including puppies and seniors.
Easy to use as a food topper or dough ball for picky eaters.

Cons

Requires gradual introduction, which may take time.
Price may be higher than some standard weight gainers.

Overview

ProDog Muscle+ provides a high-protein formula designed to support underweight, fussy, and recovering dogs.

This UK-made weight gainer powder is gentle on sensitive stomachs and suitable for all life stages.

Key Features of ProDog Muscle+

76% protein from a tri-blend of plant and marine sources for optimal muscle support.
Free from grains, synthetic preservatives, and common allergens, catering to sensitive dogs.
Versatile application for different dog sizes and life stages with simple serving instructions.
Supports digestive comfort with added L-glutamine for better nutrient absorption.

Practical considerations

When considering ProDog Muscle+, it’s important to note that transitioning your dog to the powder should be done gradually over a week or so to avoid digestive upset, especially for sensitive feeders.

Real-world insight

In my experience, the dough ball trick works wonders for fussy eaters.

By mixing the powder with warm water, I’ve found that even the pickiest pups are more inclined to eat, ensuring they get the nutrition they need.


7

Royal Canin Veterinary Small Breed Dog Food

Diet food for small overweight dogs
8.4/10
EXPERT SCORE
I trust Royal Canin Veterinary Diet Dog Satiety Food to effectively help manage my small dog's weight. Its high-fibre formula promotes satiety and allows my pet to feel full while still losing weight.
Updated: July 17, 2026 3:27 pm

Pros

High-fibre formula promotes fullness and reduces calorie intake.
Helps maintain muscle mass during weight loss.
Nutrient-rich to support healthy joints.
Reduces tartar formation for better oral health.

Cons

Only suitable for small breed dogs under 10 kg.
May not be effective for all dogs depending on individual needs.

Overview

I trust Royal Canin Veterinary Diet Dog Satiety Food to effectively help manage my small dog’s weight.

Its high-fibre formula promotes satiety and allows my pet to feel full while still losing weight.

Key Features that Matter for Small Breed Dog Diet

Promotes satiety with a high-fibre content.
Supports weight loss while maintaining lean body mass.
Rich in nutrients essential for joint health.
Limited tartar formation for improved dental hygiene.

Practical considerations

This diet is designed specifically for small breed overweight dogs, so it’s important to ensure that your dog fits this criteria before purchasing.

Regular vet consultations may also help to ensure it meets your pet’s unique health needs.

Real-world insight

In my experience, successfully managing my dog’s weight involves finding the right food.

Royal Canin’s Satiety diet not only satisfies my dog’s hunger but also fits well with their overall health goals, making our daily routines smoother.


8

Royal Canin Adult Dog Wet Pouches 85g

Specially formulated for light weight care.
8.2/10
EXPERT SCORE
The Royal Canin Light Weight Care Adult Dog Wet Pouches are designed to support your dog's weight management while ensuring they receive essential nutrients. Each pouch is tailored for premium taste and is perfect for maintaining a healthy lifestyle.
Updated: July 17, 2026 3:27 pm

Pros

Supports effective weight management in dogs
Convenient, portion-controlled pouches
High-quality ingredients tailored for dog nutrition
Encourages a healthy lifestyle with rich flavour

Cons

May not suit dogs with specific dietary restrictions
Higher price point compared to dry dog food options

Overview

The Royal Canin Light Weight Care Adult Dog Wet Pouches are designed to support your dog’s weight management while ensuring they receive essential nutrients.

Each pouch is tailored for premium taste and is perfect for maintaining a healthy lifestyle.

Key Features of Royal Canin Light Weight Care Wet Pouches

Each pouch contains balanced nutrients tailored for adult dogs
Designed to assist in weight control without sacrificing taste
Convenient format makes feeding easy and mess-free
Pack of 48 ensures plenty of meals for consistent feeding

Practical considerations

While these wet pouches are excellent for weight management, be mindful of your dog’s overall diet and consult your vet if they have any specific health concerns.

This product may not be suitable for dogs on specialised diets.

Real-world insight

In my experience, having these pouches on hand not only simplifies meal prep but also ensures that my dog enjoys their food while staying within their nutritional needs.

It’s a practical choice for maintaining their health.


9

Eukanuba Low Fat Adult Dog Food 12kg

HIGH QUALITY DOG FOOD for overweight dogs
8/10
EXPERT SCORE
Eukanuba Overweight dog food is designed for adult dogs, featuring a low-fat formula that supports a healthy weight. With chicken as the main ingredient, it helps maintain strong muscles and promotes healthy digestion.
Updated: July 17, 2026 3:27 pm

Pros

Low-fat formula promotes weight management effectively
Contains calcium and glucosamine for joint support
Rich in chicken for lean muscle maintenance
Natural ingredients support healthy digestion

Cons

May not suit dogs with specific dietary needs
Higher price point compared to standard dog foods

Overview

Eukanuba Overweight dog food is designed for adult dogs, featuring a low-fat formula that supports a healthy weight.

With chicken as the main ingredient, it helps maintain strong muscles and promotes healthy digestion.

Essential Features for Eukanuba Overweight Dog Food

Low fat content helps dogs reach and maintain a healthy weight
Enriched with l-carnitine which supports fat metabolism
Includes prebiotics for optimal digestive health
No artificial colours or flavours, ensuring a natural diet

Practical considerations

While this food is excellent for weight management, it may not be suitable for all dogs, particularly those with specific dietary restrictions or preferences.

Always consult with a vet before changing your dog’s food.

Real-world insight

I find that transitioning my dog to Eukanuba Overweight has been beneficial in regulating their weight while maintaining energy levels.

This product is a solid choice for keeping my canine companion healthy and happy.


10

Weight Control Dry Dog Food for Adults

Vet approved for weight management in dogs.
7.8/10
EXPERT SCORE
Arden Grange VetCare Weight Control is specially designed for dogs that need to lose weight or manage diabetes. With a unique blend of turkey and sweet potato, this 12kg dry food supports healthy weight reduction while ensuring your dog feels full.
Updated: July 17, 2026 3:27 pm

Pros

Supports weight reduction with low energy and fat content
Promotes satiety with high dietary fibre
Grain-free formula ideal for sensitive dogs
Contains glucosamine and chondroitin for joint support

Cons

Higher price point compared to standard dog food
Limited to specific dietary requirements, may not suit all dogs

Overview

Arden Grange VetCare Weight Control is specially designed for dogs that need to lose weight or manage diabetes.

With a unique blend of turkey and sweet potato, this 12kg dry food supports healthy weight reduction while ensuring your dog feels full.

Key Features of Arden Grange VetCare Weight Control

Grain-free recipe to cater to dogs with dietary sensitivities
Low carbohydrate content helps control glucose levels
Crafted with high-quality proteins to maintain muscle mass
Includes glucosamine and chondroitin for joint health

Practical considerations

When choosing Arden Grange VetCare Weight Control, it’s essential to consider your dog’s individual dietary needs and consult with a vet if necessary.

This food is specifically aimed at dogs with weight management issues or diabetes, which may not be applicable to all pets.

Real-world insight

I appreciate that Arden Grange VetCare Weight Control keeps my dog feeling fuller for longer, making it easier to manage their weight effectively.

The natural ingredients give me peace of mind about what my pet is consuming.

Which Best Food To Put On Weight For A Dog Is Best for You?

Here’s a breakdown of which dog food options might best suit your specific circumstances. Understanding your dog’s unique needs will help you make a more informed decision.

Best for Active Dogs

Active dogs require food rich in high-quality proteins and fats to maintain their energy and muscle mass. Foods that are fortified with additional nutrients to support joint health and recovery are particularly beneficial.

  • Skinner’s Field & Trial Senior Dog Food – perfect for older active dogs.
  • Low-Fat Adult Chicken Dog Food – great for weight management while supporting activity.

Best for Picky Eaters

Some dogs are notoriously selective eaters, making it challenging to find food that they will enjoy. Consider options that are not only nutritious but also flavourful and appealing.

  • Royal Canin Light Weight Care Adult Dog Wet Pouches – designed for taste and nutrition.
  • ProDog Muscle+ Dog Weight Gainer Powder – excellent for mixing with other foods.

Best for Weight Management

For dogs needing to gain weight without adding excess fat, look for foods that are specifically formulated for weight management. These foods will typically be lower in calories but still nutrient-dense.

  • Barking Heads Low Fat Dog Food – high-quality protein without fillers.
  • Royal Canin Veterinary Small Breed Dog Food – promotes satiety and weight management.

Best for Recovery

If your dog is recovering from illness or surgery, high-protein diets can assist their recovery. Foods that are easy to digest and boost appetite are key in these cases.

  • PRO PLAN Veterinary Diets Obesity Dog Food – designed for lean muscle maintenance.
  • Eukanuba Low Fat Adult Dog Food – supports muscle mass while aiding recovery.

How to Choose Best Food To Put On Weight For A Dog

Selecting the right food for your dog to gain weight involves considering various factors to ensure their health and happiness. Here’s a detailed guide to help you make an informed choice.

Assess Your Dog’s Needs

Before buying, consider your dog’s age, weight, activity level, and any health issues. Understanding these needs can guide you to a suitable food choice.

  • Consult with your vet for specific dietary recommendations.
  • Observe your dog's eating habits and preferences.

Evaluate Ingredients

Read the ingredient label carefully. Look for high-quality proteins as the main ingredient, ideally from named meat sources.

  • Avoid foods with fillers or artificial additives.
  • Select formulas with whole grains and vegetables for added nutrition.

Protein Content Matters

A higher protein content is essential for weight gain, aiding in muscle development. Aim for foods with at least 20-30% protein.

  • Foods like ProDog Muscle+ have high protein for muscle support.
  • Ensure protein is from quality sources, such as chicken or fish.

Consider Feeding Methods

How you feed your dog can also impact weight gain. For example, topping their regular food with a weight gainer powder can be beneficial.

  • Feeding smaller portions more frequently may help some dogs eat more.
  • Use wet foods or food toppers to enhance flavour and attract picky eaters.

Monitor Weight Progress

Regularly check your dog’s weight and adjust their food intake as needed. Ensure any weight gain is healthy and not excessive.

  • Weigh your dog every couple of weeks.
  • Consult your vet if you notice any concerning changes.

Provide Fresh Water

Always ensure your dog has access to fresh water, as proper hydration supports overall health, especially while adjusting to new food.

  • Change the water daily.
  • Ensure bowls are clean and free from residue.

Quick Comparison

A quick side-by-side comparison helps show where each option fits before the detailed reviews.

ProductQuick takeWhy we picked it
Skinner’s Field & Trial Senior Dog FoodDesigned for older and less active dogs, aiding weight management.; Contains natural ingredients without artificial additives
Low-Fat Adult Chicken Dog Food 14kgSupports healthy weight loss with low-fat formulation; Contains quality chicken as the primary ingredie
Royal Canin Medium Light Dog Food 12kgRoyal Canin Medium Light Weight Care is designed specifically for adult dogsSupports healthy weight management for adult dogs.; Formulated with high-quality, digestible ingredients

Key Features to Look For

When searching for the best weight gain or management food for your dog, consider these important features to ensure you select a product that aligns with your dog’s needs.

High Protein Content

Essential for muscle development.

  • Look for 20-30% protein
  • Source should be high quality

Natural Ingredients

Free from artificial additives and fillers.

  • Check for whole food ingredients
  • No artificial colours or preservatives

Calories and Fat Content

Balancing calories is crucial for weight gain without excess fat.

  • Seek moderate calorie counts
  • Avoid overly high-fat options unless instructed

Dietary Fibre

Helps promote satiety and aids digestion.

  • Look for sources like sweet potatoes
  • Help your dog feel full longer

Joint Support Ingredients

Especially important for older dogs.

  • Look for glucosamine and chondroitin
  • Fatty acids can aid joint health

Brand Reputation

Choose established and trusted brands.

  • Research brand history
  • Read reviews from other dog owners

How We Chose These Products

The products featured in this guide were selected based on my extensive research and assessment of various factors. Here’s how I made these choices.

Ingredient Quality

I prioritised products with high-quality, natural ingredients for better nutrition.

Protein and Fat Content

I examined the protein to fat ratios to support healthy weight gain.

Brand Reputation

I focused on reputable brands known for their commitment to quality.

Customer Reviews

I considered feedback from pet owners to gauge real-world satisfaction.

Veterinary Recommendations

I referred to veterinary input on nutritional needs for dogs requiring weight gain.

FAQs

How can I tell if my dog needs to gain weight?

If you can see your dog’s ribs easily or feel their spine without much fat, they may need to gain weight. Consulting your vet for specific advice is best.

Are there special dietary requirements for older dogs?

Older dogs may benefit from foods that are easier to digest and enriched with joint-supporting nutrients.

Can I mix wet and dry food for my dog?

Yes, combining wet and dry food can enhance palatability and provide a varied diet, just monitor portion sizes.

How often should I feed my dog?

Feeding smaller meals more frequently can help manage weight gain while allowing easier digestion.

Is it safe to use weight gainer powders?

Yes, weight gainer powders formulated for dogs can be safely used as a supplement to regular food, particularly for picky eaters.

What ingredients should I avoid in dog food?

Avoid fillers like corn and soy, as well as artificial additives and preservatives that can be harmful to dogs.

How long will it take for my dog to gain weight?

Weight gain can vary depending on the dog’s diet and metabolism; monitor your dog’s weight weekly to track progress.

Final Verdict

Skinner’s Field & Trial Senior Dog Food is my top overall choice for its balanced nutrition and support for weight management. Low-Fat Adult Chicken Dog Food is ideal for those focussed on maintaining lean body mass. For dogs needing additional palatability, ProDog Muscle+ is excellent as a supplement.

Overall, for a reliable option that supports healthy weight gain, I recommend Skinner’s Field & Trial Senior Dog Food. If your dog has specific needs or preferences, consider the other highlighted products for tailored options.

James

James

Hi, my name is James, and the first thing I would like to say is thank you for stopping by my site. First of all, I'll tell you - I'm a regular person who loves dogs, and the main reason I decided to create a blog about dogs is because I got a dog a few years ago.

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