Best Foods To Put Weight On A Dog

Choosing the right food to help your dog gain healthy weight is essential. Many pets face challenges with weight, whether due to age, activity level, or health conditions. It can be overwhelming to sift through the myriad of options available and determine which will best support your furry friend’s unique needs.

In this guide, I will share the best foods formulated specifically to help dogs gain weight safely and effectively. Whether you have a picky eater or a dog recovering from an illness, these options provide essential nutrients and palatability, ensuring they enjoy their meals while promoting a healthy weight gain journey.

Top Picks

1
The Hunger of the Wolf Dry Dog Food
Best Overall
The Hunger of the Wolf Dry Dog Food
Light formula for overweight dogs
9.8
Amazon.co.uk
2
Skinner’s Field & Trial Senior Dog Food
Premium Performance
Skinner’s Field & Trial Senior Dog Food
Designed for older, less active dogs
9.5
Amazon.co.uk
3
Slim & Slender Dry Dog Food (10kg)
High Performance
Slim & Slender Dry Dog Food (10kg)
Designed to help dogs
9.3
Amazon.co.uk
4
PRO PLAN Adult Light Chicken Dog Food 14kg
Best Value
PRO PLAN Adult Light Chicken Dog Food 14kg
Complete and balanced light All Size Adult 1+ Dry Dog Food to
9.1
Amazon.co.uk
5
Low Fat Dry Dog Food for Weight Management
Most Reliable
Low Fat Dry Dog Food for Weight Management
Crafted for overweight dogs with care
8.8
Amazon.co.uk
6
PRO PLAN Veterinary Diets OM Dog Food
Editor's Choice
PRO PLAN Veterinary Diets OM Dog Food
Designed for fat loss and muscle retention
8.6
Amazon.co.uk
7
Royal Canin Medium Light Dry Dog Food
Royal Canin Medium Light Dry Dog Food
Tailored nutrition for weight care
8.4
Amazon.co.uk
8
ProDog Muscle+ Weight Gainer Powder for Dogs
ProDog Muscle+ Weight Gainer Powder for Dogs
76% protein for healthy weight gain
8.2
Amazon.co.uk
9
Eukanuba Low Fat Dog Food for Weight Control
Eukanuba Low Fat Dog Food for Weight Control
Specially formulated for weight management
8
Amazon.co.uk
10
Royal Canin Light Weight Dog Wet Food Pack
Royal Canin Light Weight Dog Wet Food Pack
Designed for adult dogs needing weight control
7.8
Amazon.co.uk

Key Takeaways

Understanding how to select the right dog food for weight gain is vital for your pet’s health and well-being.

  • Look for high protein and low carbohydrate foods.
  • Ensure the food contains natural ingredients without fillers.
  • Consider your dog's specific needs like age, activity level, and health conditions.
  • Feeding smaller, more frequent meals can help maintain a healthy weight gain.
  • Monitor your dog's weight regularly to adjust food intake as needed.

10 Best Foods To Put Weight On A Dog

Best Overall
1

The Hunger of the Wolf Dry Dog Food

Light formula for overweight dogs
9.8/10
EXPERT SCORE
The Hunger of the Wolf Dry Dog Food is designed for overweight and sterilised dogs, featuring a low-fat chicken formula. This adult dog food contains natural ingredients, ensuring a healthy diet for my furry friend.
Updated: August 1, 2026 2:40 pm

Pros

Lightweight formula aids in weight management.
Free from artificial preservatives and gluten.
High protein concentration supports muscle maintenance.
Contains flaxseed to promote healthy skin and coat.

Cons

Limited flavour variety may not suit all dogs.
Only available in a 14 kg bag, which may be too much for some.

Overview

The Hunger of the Wolf Dry Dog Food is designed for overweight and sterilised dogs, featuring a low-fat chicken formula.

This adult dog food contains natural ingredients, ensuring a healthy diet for my furry friend.

Key Features of The Hunger of the Wolf Dry Dog Food

Low-fat chicken meal formula specifically for weight management.
High vitamin E content for immune support.
Natural antioxidants included for overall health.
Focus on meat as the primary ingredient, maintaining a carnivore diet.

Practical considerations

While this food is perfect for managing weight, it’s important to gradually transition my dog onto the new diet.

The 14 kg size may be best suited for larger breeds or multiple dogs, so I should consider my specific needs before purchasing.

Real-world insight

I find that my dog enjoys the taste of this food, likely due to its meat content, which reflects a more natural diet reminiscent of their ancestors.

This makes feeding time pleasant, knowing I’m providing them with quality nutrition.


Premium Performance
2

Skinner’s Field & Trial Senior Dog Food

Designed for older, less active dogs
9.5/10
EXPERT SCORE
Skinner’s Field & Trial Light & Senior is a complete dry dog food designed specifically for older or less active dogs. With a wheat gluten-free formula and added joint support, it's an excellent choice for managing weight healthily.
Updated: August 1, 2026 2:40 pm

Pros

Tailored for older and less active dogs to help manage weight effectively.
Contains natural ingredients without artificial additives for healthier nutrition.
Includes joint-supporting ingredients to maintain mobility and comfort in aging dogs.

Cons

May not suit highly active dogs that require a more energy-dense diet.
Some dogs may prefer the taste of other brands or formulations.

Overview

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

With a wheat gluten-free formula and added joint support, it’s an excellent choice for managing weight healthily.

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

Wheat gluten-free formulation for easier digestion and reduced allergy risk.
Lower protein and fat levels support weight loss and maintenance.
Produced by a trusted heritage brand with over 50 years of experience in dog food manufacturing.

Practical considerations

While this food is ideal for older or less active dogs, it may not meet the needs of younger, more energetic breeds that require higher protein and fat content.

Assessing my dog’s individual dietary requirements is essential before making a switch.

Real-world insight

Having tried various brands for my dog, I’ve found that Skinner’s Light & Senior stands out due to its natural ingredients and focus on joint health, which is crucial as my dog ages.

This blend not only helps manage his weight but also keeps him sprightly.


High Performance
3

Slim & Slender Dry Dog Food (10kg)

Designed to help dogs
9.3/10
EXPERT SCORE
Pooch & Mutt’s Slim & Slender dry dog food is tailored specifically for weight control in dogs. With 45% lean chicken and sweet potato, it offers a nutritious and digestible meal option that supports a healthy weight.
Updated: August 1, 2026 2:40 pm

Pros

High protein content with 45% lean chicken for muscle preservation.
Grain-free formula, ideal for dogs with sensitivities.
Includes sweet potato for digestive health and lower hunger.
Free from artificial additives, ensuring pure and natural nutrition.

Cons

Not suitable for dogs with specific allergies to chicken.
Higher price point compared to other dog food brands.

Overview

Pooch & Mutt’s Slim & Slender dry dog food is tailored specifically for weight control in dogs.

With 45% lean chicken and sweet potato, it offers a nutritious and digestible meal option that supports a healthy weight.

Key Features of Pooch & Mutt Slim & Slender

Single source protein to help maintain lean muscle mass.
Sweet potato as a natural source of fibre for enhanced digestion.
Designed specifically for dogs needing weight management.

Practical considerations

This dog food is ideal for those looking to aid their dog’s weight management, but it’s important to consider any specific dietary restrictions or allergies your pet may have, particularly regarding chicken.

Real-world insight

After trying Pooch & Mutt for my dog, I’ve noticed a positive change in her energy levels and overall health, making it a worthwhile investment for any pet owner focused on healthy weight control.


Best Value
4

PRO PLAN Adult Light Chicken Dog Food 14kg

Complete and balanced light All Size Adult 1+ Dry Dog Food to
9.1/10
EXPERT SCORE
PRO PLAN Adult Light/Neutered Chicken Dry Dog Food offers a balanced diet for overweight dogs. With chicken as the primary ingredient and a focus on weight management, it's an excellent choice for maintaining a lean physique.
Updated: August 1, 2026 2:40 pm

Pros

Promotes weight loss and lean body mass maintenance.
Chicken as the primary ingredient ensures great taste.
Reduces hunger feelings to support weight management.
Developed with veterinary expertise for balanced nutrition.

Cons

Not suitable for puppies or very active dogs.
Some dogs may require a gradual transition to avoid digestive upset.

Overview

PRO PLAN Adult Light/Neutered Chicken Dry Dog Food offers a balanced diet for overweight dogs.

With chicken as the primary ingredient and a focus on weight management, it’s an excellent choice for maintaining a lean physique.

Key Benefits of PRO PLAN Adult Light/Neutered

Low fat formulation helps manage weight effectively.
Chicken as the main ingredient enhances palatability.
Scientifically crafted to support overall dog health.
Aids in reducing hunger, making meal times satisfying.

Practical considerations

While this food is excellent for overweight dogs, it’s not suitable for puppies or those with high energy levels who need a more calorie-dense diet.

Transitioning slowly to this formula can help prevent digestive issues.

Real-world insight

I appreciate that with PRO PLAN Adult Light/Neutered, I can help my dog shed excess weight without compromising on quality.

The chicken flavour is a hit, and it’s reassuring to know it’s backed by scientific research.


Most Reliable
5

Low Fat Dry Dog Food for Weight Management

Crafted for overweight dogs with care
8.8/10
EXPERT SCORE
Barking Heads Complete Dry Dog Food is a natural choice for overweight dogs, featuring 50% free-run chicken and wholesome vegetables. This low-fat formula not only aids weight management but also supports healthy joints, making it a delicious option for my furry friend.
Updated: August 1, 2026 2:40 pm

Pros

Made with high-quality free-run chicken for great taste.
Contains natural ingredients, ensuring no fillers or nasties.
Supports weight management and promotes joint strength.
Keeps dogs feeling fuller for longer, thanks to slow-release carbs.

Cons

Higher price point compared to standard dog foods.
May not be suitable for dogs with specific allergies to chicken.

Overview

Barking Heads Complete Dry Dog Food is a natural choice for overweight dogs, featuring 50% free-run chicken and wholesome vegetables.

This low-fat formula not only aids weight management but also supports healthy joints, making it a delicious option for my furry friend.

Essential Features of Barking Heads Complete Dry Dog Food

Contains 50% free-run chicken for enhanced flavour and protein.
Includes glucosamine and chondroitin for joint health.
Low-fat formulation to assist in weight management.
Packed with slow-release carbohydrates for lasting fullness.

Practical considerations

While this food is beneficial for overweight dogs, it’s important to adjust portion sizes according to your dog’s specific needs.

Always consult with a vet if unsure about dietary changes or to ensure it’s suitable for your dog’s health conditions.

Real-world insight

From my experience, switching to Barking Heads was a great decision for my dog.

The improvement in her energy levels and weight management was noticeable, and she absolutely loves the taste, which makes me feel great about providing her with nutritious food.


Editor's Choice
6

PRO PLAN Veterinary Diets OM Dog Food

Designed for fat loss and muscle retention
8.6/10
EXPERT SCORE
PRO PLAN VETERINARY DIETS OM Obesity Dry Dog Food is specially formulated to support weight loss and maintain muscle mass. Its low-calorie content and controlled glucose sources make it ideal for dogs with obesity or diabetes.
Updated: August 1, 2026 2:40 pm

Pros

High protein content aids in fat loss and muscle preservation.
Low-calorie formula helps reduce overall caloric intake.
Supports glucose control, making it suitable for diabetic dogs.
Recommended by veterinarians for effective weight management.

Cons

May not be appealing to all dogs due to its specific formulation.
Higher price point compared to standard dog food.

Overview

PRO PLAN VETERINARY DIETS OM Obesity Dry Dog Food is specially formulated to support weight loss and maintain muscle mass.

Its low-calorie content and controlled glucose sources make it ideal for dogs with obesity or diabetes.

Key Features of PRO PLAN VETERINARY DIETS OM

Promotes fat loss while maintaining muscle due to high protein content.
Low-calorie formula designed to help reduce excessive weight.
Formulated with low glycaemic index carbohydrates for better glucose management.
Veterinarian recommended for effective dietary management of obesity.

Practical considerations

While this dog food is highly beneficial for managing obesity and diabetes, it’s essential to follow the recommended feeding guidelines and consult with a veterinarian to ensure it fits your dog’s dietary needs.

Real-world insight

I find that transitioning my dog to a specialised diet like this one requires patience, but the results in weight management and overall health truly make it worthwhile.


7

Royal Canin Medium Light Dry Dog Food

Tailored nutrition for weight care
8.4/10
EXPERT SCORE
Royal Canin Medium Light Weight Care is an ideal choice for adult dogs needing to maintain a healthy weight. This 12kg dry food caters specifically to their nutritional needs, promoting overall health and vitality.
Updated: August 1, 2026 2:40 pm

Pros

Promotes healthy weight maintenance and overall fitness.
Formulated specifically for medium-sized dogs.
Rich in fibres, aiding in digestion and satiety.
Backed by extensive research in pet health nutrition.

Cons

May be pricier than some standard dog food options.
Not suitable for dogs with specific dietary restrictions.
Limited availability in some retail locations.

Overview

Royal Canin Medium Light Weight Care is an ideal choice for adult dogs needing to maintain a healthy weight.

This 12kg dry food caters specifically to their nutritional needs, promoting overall health and vitality.

Key Features of Royal Canin Medium Light Weight Care

Designed for medium-sized breeds, ensuring tailored nutrition.
Supports weight management with a nutrient-dense formula.
Enhanced with fibres to enhance digestive health.
Developed through collaboration with veterinary experts.

Practical considerations

When choosing Royal Canin for my dog, I consider their specific weight management needs.

It’s essential to ensure that this food suits my dog’s individual dietary requirements and to monitor their weight regularly for optimal results.

Real-world insight

Having tried various brands, I found that Royal Canin consistently provides a noticeable difference in my dog’s energy levels and overall happiness, particularly in managing their weight effectively.


8

ProDog Muscle+ Weight Gainer Powder for Dogs

76% protein for healthy weight gain
8.2/10
EXPERT SCORE
ProDog Muscle+ Weight Gainer Powder offers a remarkable 76% protein content, perfect for underweight or fussy dogs. This gentle formula is made in the UK and supports healthy weight gain and muscle maintenance.
Updated: August 1, 2026 2:40 pm

Pros

High protein content supports muscle growth.
Gentle on sensitive stomachs with no dairy or grains.
Versatile for all life stages, including puppies and seniors.
Easy to use as a food topper or mixed into a dough for picky eaters.

Cons

May take time for dogs to adjust to the new powder.
Price might be higher compared to basic dog food.

Overview

ProDog Muscle+ Weight Gainer Powder offers a remarkable 76% protein content, perfect for underweight or fussy dogs.

This gentle formula is made in the UK and supports healthy weight gain and muscle maintenance.

Key Features of ProDog Muscle+

Contains a blend of hemp, pea, and kelp proteins for a balanced amino acid profile.
Added fish collagen and Omega 3, 6, 9 for joint health and coat condition.
No artificial fillers or preservatives, ensuring clean and safe nutrition.

Practical considerations

While ProDog Muscle+ is generally well-tolerated, it’s advisable to introduce it gradually to avoid digestive upset.

This product is specifically designed for dogs needing extra nutritional support, so it’s best suited for those who fit this profile.

Real-world insight

In my experience, I found ProDog Muscle+ to be a game-changer for my picky eater.

Mixing it with warm water to create a dough significantly improved my dog’s willingness to eat, making it easier to ensure they get the nutrition they need.


9

Eukanuba Low Fat Dog Food for Weight Control

Specially formulated for weight management
8/10
EXPERT SCORE
Eukanuba Weight Control dog food is an excellent choice for managing your dog's weight. With a special formula designed for small and medium breeds, it promotes healthy weight while ensuring strong bones and muscles.
Updated: August 1, 2026 2:40 pm

Pros

Promotes healthy weight management with 30% less fat.
Supports strong bones and joints for active mobility.
Enhances digestion with natural sources of omega fatty acids.
Rich in chicken to maintain lean muscle mass.

Cons

Not suitable for dogs over 25 kg.
Requires gradual transition to avoid digestive upset.

Overview

Eukanuba Weight Control dog food is an excellent choice for managing your dog’s weight.

With a special formula designed for small and medium breeds, it promotes healthy weight while ensuring strong bones and muscles.

Key Features of Eukanuba Weight Control Dog Food

Contains a special formula with l-carnitine to help manage weight effectively.
Includes prebiotics and beet pulp to foster healthy digestion.
Free from artificial colours and flavours, ensuring a natural diet.
Supports a shiny coat with omega-6 and omega-3 fatty acids.

Practical considerations

While this food is beneficial for adult dogs of small and medium sizes, it should not be fed to larger breeds or puppies.

Additionally, a gradual transition to this food is essential to prevent any digestive issues.

Real-world insight

As I’ve seen with my own dog, using Eukanuba Weight Control has not only helped in managing their weight but also improved their overall energy levels.

It’s refreshing to see them more active and lively, which is always a big plus.


10

Royal Canin Light Weight Dog Wet Food Pack

Designed for adult dogs needing weight control
7.8/10
EXPERT SCORE
I appreciate that Royal Canin's Light Weight Care provides balanced nutrition tailored for dogs needing weight management. Each 85g pouch is designed to support a healthy lifestyle while tantalising my dog's taste buds.
Updated: August 1, 2026 2:40 pm

Pros

Tailored nutrition for weight management
Delicious flavour that dogs enjoy
Convenient individual pouches for portion control
Supports overall health and wellbeing

Cons

Higher price point compared to standard dog food
Limited variety in flavours available

Overview

I appreciate that Royal Canin’s Light Weight Care provides balanced nutrition tailored for dogs needing weight management.

Each 85g pouch is designed to support a healthy lifestyle while tantalising my dog’s taste buds.

Key Features of Royal Canin Light Weight Care

Designed specifically for adult dogs needing weight control
Rich in essential nutrients to support health
Easy-to-serve pouches ensure freshness
Collaboratively developed with veterinary experts

Practical considerations

When considering Royal Canin Light Weight Care, note that it’s optimised for adult dogs with specific weight management needs, so it may not be suitable for all breeds or ages.

Always consult with a veterinarian to confirm it aligns with my dog’s dietary requirements.

Real-world insight

From my personal experience, I’ve found that portion control becomes effortless with these pouches, reducing the temptation to overfeed.

Moreover, my dog seems genuinely enthusiastic about mealtime, making it an enjoyable routine for both of us.

How to Choose Best Foods To Put Weight On A Dog

When selecting the best food for helping your dog gain weight, numerous factors come into play. It’s more than just picking a popular brand; understanding your dog’s dietary needs and preferences is crucial. Below is a comprehensive guide on what to look for when choosing food aimed at weight gain for dogs.

Understand Your Dog's Nutritional Needs

Each dog has different nutritional requirements based on their life stage, size, and health. Consult with your vet to determine the right dietary approach for your pet. A balanced diet that includes protein, carbohydrates, fats, vitamins, and minerals is a must for healthy weight gain.

High Protein Content

Look for dog foods with a high protein content, which aids in muscle building and overall body health. Foods containing lean meats such as chicken or turkey can help support weight gain whilst maintaining muscle mass.

  • Preferably over 20% protein content in dry food.
  • Natural sources like chicken, lamb, or fish are a good choice.

Healthy Fats

Fats are an excellent source of concentrated calories. Omega fatty acids not only support weight gain but also promote skin and coat health. Look for dog foods that include healthy fats from sources like fish oil or flaxseed.

Digestibility and Quality Ingredients

Choose foods with high-quality, digestible ingredients. Foods that contain fillers may lead to weight problems as they do not provide the necessary nutrients. Ingredients should be natural without artificial preservatives.

Ease of Feeding

Consider how your dog prefers their food—some might prefer dry kibble while others may fare better with wet food. Additionally, if your dog is a picky eater, you may want to opt for flavours they find irresistible to encourage consistent eating.

Portion Control

Ensure to follow feeding guidelines closely. It may be beneficial to feed smaller, more frequent meals to encourage steady weight gain without overwhelming your dog’s digestive system.

Monitor Weight and Health

Once you’ve selected a food, monitor your dog’s weight and overall health closely. Adjust their food intake and consult your vet if you notice any worrying changes.

Key Features to Look For

Here are key features to consider when selecting dog food to assist in healthy weight gain:

Protein Source

High-quality protein from identifiable sources.

Fat Content

Healthy fats contributing to caloric needs.

Digestibility

Easily digestible ingredients ensure optimal nutrient absorption.

Nutritional Completeness

A balanced diet tailored for weight gain.

Useful Terms to Know

Understanding specific terms can help simplify the selection process for dog food aimed at weight gain.

Caloric Density
The amount of calories per unit, crucial for weight management.
Protein
An essential macronutrient that helps maintain muscle mass.
Healthy Fats
Fats that contribute to caloric intake and support skin and coat health.
Digestibility
Indicates how well a dog can absorb nutrients from the food.

Common Mistakes to Avoid

Avoiding these common pitfalls can ensure a successful weight gain plan for your dog.

Ignoring Nutritional Needs

Not considering your dog’s age, activity level, or health status when selecting food.

Overfeeding

Feeding too much food at once can create digestive issues and not aid weight gain as intended.

Not Monitoring Progress

Failing to track your dog’s weight can lead to either under or overfeeding.

Relying on Fillers

Choosing dog foods with too many fillers can hinder weight gain due to a lack of essential nutrients.

What Should You Expect to Spend?

When planning to purchase food specifically for weight gain, understanding budget ranges is essential.

Budget Range

Options priced from £25 to £40 typically include basic but nutritious formulas suitable for light weight management.

  • Generally suitable for everyday dog nutrition.
  • Focus on natural ingredients but may not be as rich in protein.

Mid-Range

Expect to spend between £40 and £60 for mid-tier options that balance quality ingredients with affordability.

  • Includes premium formulas aimed at specific health needs.
  • Generally includes higher protein content.

Premium Choices

Top-tier dog foods can range from £60 to over £80, offering the highest quality ingredients for specialised diets.

  • Feature tailored nutrition for optimal weight management.
  • Often include vet-approved ingredients for specific needs.

Alternatives to Consider

In addition to traditional kibble, there are various significant alternatives to consider for supporting weight gain in dogs.

Wet Dog Food

Wet food can entice picky eaters and provide higher moisture content, aiding in overall hydration and palatability.

Homemade Dog Meals

Preparing meals at home can ensure control over ingredients and nutrition specifics, perfect for dogs with unique dietary needs.

Weight Gain Supplements

Certain commercial supplements are formulated to add calories and nutrients without changing the entire diet.

Final Verdict

Choose high-protein, low-fat food for effective weight gain. Monitor your dog’s progress and adjust their feeding routine as necessary. Consult your veterinarian for tailored dietary advice.

For managing weight gain effectively, The Hunger of the Wolf Dry Dog Food stands out as the optimal choice due to its natural ingredients and balanced formulation. However, should you seek a tailored option, Skinner’s Field & Trial or PRO PLAN are excellent alternatives.

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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