Best High Calorie Dog Food For Weight Gain

Discover the best high-calorie dog foods for weight gain, ensuring your pet stays healthy and strong. Find expert recommendations and tips for optimal nutrition.

Selecting the right high-calorie dog food for weight gain can significantly impact your dog’s health and vitality. Whether you’re caring for a fussy eater or an underweight pup, the right nutrition is essential. High-calorie dog food not only aids in weight gain but also provides the necessary nutrients for muscle development and overall well-being.

In this guide, I’ll help you navigate through some of the best high-calorie dog foods currently available. Each option has been selected based on its nutritional profile, palatability, and suitability for various breeds and life stages, ensuring that every dog can enjoy optimal health.

Top Picks

1
ProDog Muscle+ Weight Gainer Powder for Dogs
Best Overall
ProDog Muscle+ Weight Gainer Powder for Dogs
76% protein for healthy weight gain
9.8
Amazon.co.uk
2
Hench Range Dog Weight Gainer Supplement
Premium Performance
Hench Range Dog Weight Gainer Supplement
Promotes healthy weight gain for dogs
9.5
Amazon.co.uk
3
The Hunger of the Wolf Dry Dog Food
High Performance
The Hunger of the Wolf Dry Dog Food
High-calorie formula for active dogs
9.3
Amazon.co.uk
4
Pooch & Mutt Slim & Slender Dog Food
Best Value
Pooch & Mutt Slim & Slender Dog Food
Aids weight control for dogs
9.1
Amazon.co.uk
5
Hypoallergenic Wet Dog Food for Allergies
Most Reliable
Hypoallergenic Wet Dog Food for Allergies
Specially formulated for sensitive dogs
8.8
Amazon.co.uk
6
Health & Digestion Dog Food with Salmon
Editor's Choice
Health & Digestion Dog Food with Salmon
Grain-free formula for sensitive dogs
8.6
Amazon.co.uk
7
Eukanuba High Protein Dog Food 15 kg
Eukanuba High Protein Dog Food 15 kg
Supports active and working dogs' endurance
8.4
Amazon.co.uk
8
Pro Plan Large Dog Food for Adult Dogs
Pro Plan Large Dog Food for Adult Dogs
Supports active lifestyles with nutritious formula
8.2
Amazon.co.uk
9
Calm & Relaxed Dry Dog Food for Anxious Pets
Calm & Relaxed Dry Dog Food for Anxious Pets
Grain-free formula for calmness
8
Amazon.co.uk
10
Natural Fresh Dog Food with British Beef
Natural Fresh Dog Food with British Beef
100% Natural and Nutritionally Complete
7.8
Amazon.co.uk

Key Takeaways

Here are the key points to consider when selecting high-calorie dog food for weight gain.

  • Focus on high-protein options for muscle gain and energy.
  • Consider foods that are free from fillers and artificial ingredients.
  • Look for palatable formulas that appeal to picky eaters.
  • Evaluate ingredients that support digestive health alongside weight gain.

10 Best High Calorie Dog Food For Weight Gain

Best Overall
1

ProDog Muscle+ Weight Gainer Powder for Dogs

76% protein for healthy weight gain
9.8/10
EXPERT SCORE
ProDog Muscle+ is a weight gainer powder designed for dogs needing extra support, promising 76% protein per scoop. This UK-made product is suitable for all life stages and can be easily sprinkled on food or mixed to entice fussy eaters.
Updated: August 8, 2026 1:30 pm

Pros

High 76% protein content supports muscle gain and overall weight improvement.
Free from dairy, grains, and artificial fillers, making it suitable for sensitive dogs.
Versatile food topper suitable for dogs of all life stages and activity levels.
Easy to use by simply sprinkling on food or mixing into a dough for fussy eaters.

Cons

Price may be higher compared to standard dog food supplements.
Limited information on taste acceptance among extremely picky dogs.

Overview

ProDog Muscle+ is a weight gainer powder designed for dogs needing extra support, promising 76% protein per scoop.

This UK-made product is suitable for all life stages and can be easily sprinkled on food or mixed to entice fussy eaters.

Key Features of ProDog Muscle+

Contains a balanced tri-protein blend for optimal nutrition.
Formulated without common allergens, ensuring comfort for sensitive dogs.
Can be used as a daily food topper or during recovery for effective weight management.
Gradual introduction helps prevent digestive upset and encourages palatability.

Practical considerations

While ProDog Muscle+ is suitable for dogs of various ages and needs, it is essential to follow the gradual introduction guidelines over 7-14 days to ensure your dog adjusts comfortably to the new supplement.

Real-world insight

In my experience, transitioning dogs to this powder can be a game-changer, especially for those fussy eaters.

Mixing it with warm water to create a dough has worked wonders for my own dogs, encouraging them to enjoy their meals again.


Premium Performance
2

Hench Range Dog Weight Gainer Supplement

Promotes healthy weight gain for dogs
9.5/10
EXPERT SCORE
The Hench Range Dog Weight Gainer is an excellent choice for promoting healthy weight gain in underweight dogs. Its natural ingredients and premium nutrition offer a nutrient-rich boost while supporting overall wellness.
Updated: August 8, 2026 1:30 pm

Pros

Promotes healthy weight gain and muscle growth
Supports skin and coat health with omega-3 fatty acids
Enhances liver function and detoxification
Boosts joint mobility and energy levels

Cons

Requires careful introduction to avoid digestive upset
Best used under veterinary guidance for dosage

Overview

The Hench Range Dog Weight Gainer is an excellent choice for promoting healthy weight gain in underweight dogs.

Its natural ingredients and premium nutrition offer a nutrient-rich boost while supporting overall wellness.

Key Features of Hench Range Dog Weight Gainer

Natural ingredients free from artificial additives for holistic health
Contains essential fatty acids and vitamins to strengthen the immune system
Enriched with nutrients that provide support for joint health
Delicious chicken liver taste makes it appealing for daily feeding

Practical considerations

While this supplement is beneficial for underweight dogs, it’s essential to consult with a veterinarian to determine the appropriate dosage based on your dog’s weight and dietary needs.

Start with smaller amounts to allow your dog to adjust to the new nutrition.

Real-world insight

From my experience, gradually introducing the Hench Range Dog Weight Gainer not only allows my pet to adjust but also helps monitor any reactions.

I appreciate knowing I’m providing a supplement that supports both their health and vitality.


High Performance
3

The Hunger of the Wolf Dry Dog Food

High-calorie formula for active dogs
9.3/10
EXPERT SCORE
The Hunger of the Wolf dry dog food is designed for active and working dogs, delivering a high-calorie, high-energy formula made with chicken. This nutritious blend supports their energy needs without compromising on taste.
Updated: August 8, 2026 1:30 pm

Pros

High protein and fat content boosts energy levels for active dogs.
Contains natural antioxidants that support health and longevity.
Free from gluten and artificial additives promotes a natural diet.
Appealing flavour that dogs find irresistible.

Cons

May not suit dogs with allergies to specific proteins.
Higher calorie content might not be ideal for less active dogs.

Overview

The Hunger of the Wolf dry dog food is designed for active and working dogs, delivering a high-calorie, high-energy formula made with chicken.

This nutritious blend supports their energy needs without compromising on taste.

Key Features of The Hunger of the Wolf

High calorie formula tailored for active, working dogs.
Natural ingredients support overall health and wellbeing.
Concentrated chicken meal provides a rich protein source.

Practical considerations

When considering The Hunger of the Wolf, keep in mind that its high calorie content may not be appropriate for all dogs, particularly those that are less active or overweight.

It’s essential to monitor your dog’s diet to maintain a healthy weight.

Real-world insight

I’ve found that switching to a high-calorie food like this has positively impacted my dog’s energy levels during playtime and work.

It’s important to observe how your dog’s appetite and activity adjust after the change to ensure it’s a suitable fit.


Best Value
4

Pooch & Mutt Slim & Slender Dog Food

Aids weight control for dogs
9.1/10
EXPERT SCORE
Pooch & Mutt's Slim & Slender Complete Dry Dog Food is ideal for dogs needing to shed excess weight. With 45% lean chicken and sweet potato for digestion, this grain-free formula supports healthy body composition without unwanted fillers.
Updated: August 8, 2026 1:30 pm

Pros

High protein content with lean chicken for muscle maintenance
Grain-free formulation helps dogs with sensitivities
Includes sweet potato for improved digestion
Supports weight management effectively

Cons

Not suitable for dogs with specific dietary needs requiring different proteins
May not be palatable for picky eaters due to its specific formulation

Overview

Pooch & Mutt’s Slim & Slender Complete Dry Dog Food is ideal for dogs needing to shed excess weight.

With 45% lean chicken and sweet potato for digestion, this grain-free formula supports healthy body composition without unwanted fillers.

Key Features of Pooch & Mutt Slim & Slender

45% lean chicken provides essential protein for weight management
Sweet potato serves as a healthy source of fibre, aiding digestion
Free from grains, gluten, and artificial additives for overall health
Designed specifically for weight control and loss

Practical considerations

Before purchasing, consider if your dog has any allergies or dietary restrictions, as this food is specifically designed for weight management and may not suit all breeds or lifestyles.

Real-world insight

I appreciate that Pooch & Mutt focuses on natural ingredients, allowing me to feel confident that I’m feeding my dog a healthy option, especially during its weight loss journey.


Most Reliable
5

Hypoallergenic Wet Dog Food for Allergies

Specially formulated for sensitive dogs
8.8/10
EXPERT SCORE
The PRO PLAN VETERINARY DIETS HA Hypoallergenic Mousse is designed for dogs with dietary sensitivities. With hydrolysed proteins and omega-3 fatty acids, this food promotes digestion and supports overall health in dogs needing a weight gain solution.
Updated: August 8, 2026 1:30 pm

Pros

Designed for dogs with food sensitivities, ensuring safe consumption.
Contains easily digestible ingredients that support nutrient absorption.
Rich in omega-3 fatty acids, promoting anti-inflammatory health.
High palatability, making it appealing for picky eaters.

Cons

Higher price point compared to standard dog foods.
Limited availability may require online ordering.

Overview

The PRO PLAN VETERINARY DIETS HA Hypoallergenic Mousse is designed for dogs with dietary sensitivities.

With hydrolysed proteins and omega-3 fatty acids, this food promotes digestion and supports overall health in dogs needing a weight gain solution.

Key Features of PRO PLAN VETERINARY DIETS HA

Single hydrolysed protein prevents allergic reactions.
Purified carbohydrates support gut health.
Omega-3 fatty acids enhance natural inflammation response.
Easy-to-digest lipid energy source for improved absorption.

Practical considerations

This mousse is specifically formulated for dogs with allergies or gastrointestinal issues, making it less suitable for pets without dietary sensitivities.

While it is excellent for promoting weight gain in sensitive dogs, consulting a veterinarian for specific dietary needs is recommended.

Real-world insight

From my experience, this wet dog food has been a game changer for my dog, who previously struggled with digestive issues.

The mousse consistency and palatability mean that even the fussiest dogs will enjoy their meals, making it easier to ensure they are getting the nutrition they need.


Editor's Choice
6

Health & Digestion Dog Food with Salmon

Grain-free formula for sensitive dogs
8.6/10
EXPERT SCORE
Pooch & Mutt's Health & Digestion dog food is a premium grain-free option designed for dogs with sensitive digestion. With 45% salmon as a single protein source, it also contains prebiotics for digestive balance.
Updated: August 8, 2026 1:30 pm

Pros

Grain-free formula ideal for dogs with sensitivities
45% salmon provides high-quality protein for weight gain
Prebiotics included to support digestive health
No artificial additives, ensuring a natural diet

Cons

Higher price point compared to some other brands
Not suitable for dogs with specific fish allergies
Only available in a 10kg bag, which may be too much for small dog owners

Overview

Pooch & Mutt’s Health & Digestion dog food is a premium grain-free option designed for dogs with sensitive digestion.

With 45% salmon as a single protein source, it also contains prebiotics for digestive balance.

Key Features of Pooch & Mutt Health & Digestion

Premium grain-free recipe supports sensitive digestion well
Single source protein ensures that dogs get the right nutrition without potential allergens
Prebiotics help maintain a healthy gut flora
Natural ingredients with no artificial preservatives or colours

Practical considerations

While this food is excellent for dogs needing weight gain and improved digestion, it might not be the best choice for every pet.

Always consult with a vet before switching your dog’s diet, especially if they have existing health concerns.

Real-world insight

From my experience, making a gradual transition to this food can help ensure my dog adjusts comfortably.

Observing their response in terms of energy and digestion can inform future dietary choices.


7

Eukanuba High Protein Dog Food 15 kg

Supports active and working dogs' endurance
8.4/10
EXPERT SCORE
Eukanuba's Working and Endurance Dry Dog Food is designed to fuel highly active dogs with its rich chicken content and high protein levels. With added Omega fatty acids, it also supports overall health and wellness.

Pros

High protein content supports muscle development and endurance.
Contains Omega 3 and 6 fatty acids for overall health.
Special kibble shape promotes dental health.
Ideal for pregnant and lactating dogs.

Cons

May not be suitable for less active or sedentary dogs.
Higher protein and fat content may not agree with all dogs' digestive systems.

Overview

Eukanuba’s Working and Endurance Dry Dog Food is designed to fuel highly active dogs with its rich chicken content and high protein levels.

With added Omega fatty acids, it also supports overall health and wellness.

Key Benefits of Eukanuba Working and Endurance Dog Food

Rich in chicken to promote lean muscle maintenance.
Omega fatty acids to enhance scenting abilities for working dogs.
DentaDefense technology to help keep teeth clean and support dental hygiene.
Designed for high-energy dogs, ideal for active lifestyles.

Practical considerations

This food is tailored for dogs requiring high levels of energy and protein, making it less suitable for those with low activity levels or weight management needs.

Real-world insight

I find that this formula works particularly well for my active dog, helping him maintain his energy throughout long days of exercise and work.

The added dental benefits are a nice touch, keeping his teeth healthy as he enjoys his meals.


8

Pro Plan Large Dog Food for Adult Dogs

Supports active lifestyles with nutritious formula
8.2/10
EXPERT SCORE
PRO PLAN's Large Robust Adult Everyday Nutrition Dog Food is designed specifically for large breed dogs. With chicken as the primary ingredient, it supports a healthy immune system and joint maintenance for their active lives.

Pros

Supports immune system and natural defences
Specially formulated for large breed dogs
Helps maintain healthy joints for an active lifestyle
Aids in dental maintenance

Cons

Higher price point compared to some alternatives
May not suit dogs with specific dietary restrictions

Overview

PRO PLAN’s Large Robust Adult Everyday Nutrition Dog Food is designed specifically for large breed dogs.

With chicken as the primary ingredient, it supports a healthy immune system and joint maintenance for their active lives.

Key Features of PRO PLAN Dog Food

Primary ingredient of chicken promotes muscle development
Tailored nutrition for large robust breeds
Special ingredients enhance immune system function
Supports dental health, minimising plaque and tartar

Practical considerations

When considering this dog food, it’s important to assess if your dog fits the profile for large breeds and is not dealing with specific dietary sensitivities.

This 14kg pack offers good value but may require careful budgeting for ongoing purchases.

Real-world insight

In my experience, switching to PRO PLAN has noticeably improved my dogs’ energy levels and overall health.

Their coats are shinier, and they’ve maintained a healthy weight, which makes this dog food a worthwhile investment for any large breed owner.


9

Calm & Relaxed Dry Dog Food for Anxious Pets

Grain-free formula for calmness
8/10
EXPERT SCORE
Pooch & Mutt's Calm & Relaxed dry dog food is specially formulated for hyperactive or anxious dogs. With turkey and sweet potato as the main ingredients, it offers a grain-free option to promote tranquillity and overall well-being.
Updated: August 8, 2026 1:30 pm

Pros

Contains 45% turkey, a high-quality protein source.
Enriched with calming agents like chamomile and l-tryptophan.
Grain-free formulation suitable for dogs with food sensitivities.
Helps promote a relaxed demeanor in anxious or hyperactive dogs.

Cons

Higher price point compared to other standard dog foods.
May take time to see noticeable calming effects.
Single protein source may not suit all dogs' dietary needs.

Overview

Pooch & Mutt’s Calm & Relaxed dry dog food is specially formulated for hyperactive or anxious dogs.

With turkey and sweet potato as the main ingredients, it offers a grain-free option to promote tranquillity and overall well-being.

Key Features of Pooch & Mutt Calm & Relaxed Dog Food

Offers a complete and balanced diet for dogs, enhancing both physical and emotional well-being.
Free from grain, cereals, gluten, and artificial additives, catering to dogs with dietary restrictions.
Utilises prebiotics and brewer's yeast to support digestive health.

Practical considerations

When selecting a calming dog food like this one, consider your dog’s specific needs and any existing sensitivities.

It may be best to introduce the food gradually to avoid digestive upset.

Real-world insight

I’ve found that switching to a calming formula has helped my anxious dog feel more at ease during stressful situations, making outings and new experiences more enjoyable for both of us.


10

Natural Fresh Dog Food with British Beef

100% Natural and Nutritionally Complete
7.8/10
EXPERT SCORE
I appreciate that the Healthy & Tasty Fresh Dog Food by Pets Love Fresh provides a complete, natural diet with real British beef. Each chub roll is packed with quality ingredients, ensuring my dog gets the nutrition they deserve, all without preservatives.
Updated: August 8, 2026 1:30 pm

Pros

High-quality, natural ingredients that are easy to digest.
Made with 62% human-grade British beef, ensuring superior nutrition.
No preservatives, delivered frozen to maintain freshness.
Approved by vets and nutritionists for balanced dietary requirements.

Cons

Higher price point compared to some dry dog food options.
Requires freezing space for storage until ready to use.

Overview

I appreciate that the Healthy & Tasty Fresh Dog Food by Pets Love Fresh provides a complete, natural diet with real British beef.

Each chub roll is packed with quality ingredients, ensuring my dog gets the nutrition they deserve, all without preservatives.

Notable Features of the Healthy & Tasty Fresh Dog Food

Complete nutrition with no unrecognisable ingredients, ensuring transparency in dog diets.
Contains iron-rich beef heart and liver for added health benefits.
Delivers a satisfying taste that keeps even fussy eaters engaged.
Convenient packaging allows for easy portion control during feeding.

Practical considerations

This dog food is ideal for pet owners seeking a natural diet for their dogs but may not be suitable for those with limited freezer space.

The format requires planned preparation, as it must be thawed before serving.

Real-world insight

I’ve found that investing in premium dog food like this can lead to noticeable improvements in my dog’s energy levels and overall health, making it worth the extra cost for a quality diet.

Which Best High Calorie Dog Food For Weight Gain Is Best for You?

When it comes to choosing the best high-calorie dog food, different scenarios may influence your decision. Below, I’ve outlined various use cases, which should help you determine which food is most suitable for your dog’s specific needs.

Best Overall

For an all-round solution that promotes weight gain effectively, ProDog Muscle+ Weight Gainer Powder is excellent. Its high protein content supports muscle development and it’s easy to incorporate into meals, catering to various dietary preferences.

  • 76% protein for muscle support
  • Versatile topping for any food
  • Free from dairy and grains

Premium Performance

If you’re looking for top-tier nutrition, the Hench Range Dog Weight Gainer Supplement is the way to go. Formulated with natural ingredients, it’s designed to promote healthy weight gain and muscle growth effectively.

  • Supports liver function and skin health
  • Premium ingredients for better absorption
  • Designed for underweight dogs

For Active Dogs

The Hunger of the Wolf Dry Dog Food is perfect for active breeds. With its high-calorie content and protein-rich chicken formula, it meets the energy needs of working dogs efficiently.

  • High protein and fat for energy
  • Natural antioxidants for longevity
  • Gluten-free for sensitive digestions

How to Choose Best High Calorie Dog Food For Weight Gain

Choosing the right high-calorie dog food requires careful consideration of various factors. Here are essential criteria to guide your selection process.

Understand Your Dog's Needs

Assessing your dog’s health and weight is paramount. Factors like age, activity level, and breed size will determine their unique nutritional requirements. Consulting with a veterinarian can provide valuable insights into specific needs based on your dog’s lifestyle.

  • Evaluate weight goals alongside current health status.
  • Consider activity level and breed-specific factors.
  • Consult a vet for tailored dietary recommendations.

Protein Sources

Look for dog foods with quality protein sources, such as meat, fish, or plant-based proteins. High protein content supports muscle growth and helps maintain a healthy weight. Aim for foods that list real meat as the first ingredient.

  • Choose foods with 30% protein or higher for weight gain.
  • Ingredient quality matters – meat should be the primary source.
  • Avoid fillers like corn and soy.

Fat Content

Healthy fats are crucial for high-calorie dog food. Omega-3 and Omega-6 fatty acids not only provide energy but also support skin and coat health. Foods should have a balanced fat content to ensure overall wellness.

  • Look for a minimum of 15% fat for effective weight gain.
  • Include sources like fish oil for additional health benefits.
  • Avoid artificial fats or undesired fillers.

Digestive Health

High-calorie diets can sometimes impact digestion, so select formulas with prebiotics and probiotics to promote gut health. This ensures that your dog can absorb the nutrients effectively and comfortably.

  • Choose foods with added pre or probiotics.
  • Monitor your dog’s reaction to new foods.
  • Avoid sudden dietary changes that can upset digestion.

Palatability

Dogs can be picky eaters, so opt for flavours and textures that appeal to your pet. Consider trying a few different brands or formulations to see what your dog prefers.

  • Test different flavours or textures to gauge preference.
  • Should be highly palatable to encourage feeding.
  • Consider wet versus dry options based on your dog’s liking.

Key Features to Look For

When shopping for high-calorie dog food, here are key features to ensure you select the best option.

High Protein Content

Vital for muscle gain and overall health.

Quality Fat Sources

Healthful fats offer energy and support coat health.

Digestive Support

Helps prevent digestive issues common with higher calorie diets.

Natural Ingredients

Minimally processed ingredients support overall health.

Useful Terms to Know

Understanding the terminology associated with high-calorie dog food can help you make more informed decisions.

High-Calorie
Dog foods that contain a higher concentration of calories per serving, typically designed for weight gain.
Protein Content
The proportion of protein in the dog food, which is crucial for building and maintaining muscle.
Digestive Aids
Ingredients like prebiotics and probiotics that support the digestive system and enhance nutrient absorption.
Palatability
The appeal of the food to dogs in terms of taste and aroma, affecting their willingness to eat.

How We Chose These Products

Our selection process for high-calorie dog foods is thorough and based on specific criteria.

Research and Reviews

We analyse consumer reviews and expert recommendations to find foods that meet high standards.

Nutrient Profiles

Each product is assessed for its nutritional content, ensuring it meets the needs for weight gain.

Ingredient Quality

We focus on products that highlight quality ingredients, free from fillers or artificial additives.

Brand Reputation

Established brands with a history of producing reliable pet food are preferred.

Common Mistakes to Avoid

When selecting high-calorie dog food, certain pitfalls are easily avoidable.

Not Consulting a Vet

Skipping veterinary advice can lead to selecting unsuitable food for your dog’s specific health needs.

Ignoring Ingredient Labels

Not reading labels can result in choosing low-quality products that do not support your dog’s health.

Making Sudden Diet Changes

Abruptly changing your dog’s food can cause digestive issues; always transition gradually.

Choosing Based Solely on Price

Focusing only on costs can compromise nutritional quality; instead, prioritise healthy options.

Alternatives to Consider

There are various feeding options available for dogs needing to gain weight, aside from the foods mentioned.

Homemade High-Calorie Diets

Some owners may consider preparing homemade meals that are calorie-dense, using ingredients like chicken, rice, and vegetables, ensuring they meet nutrient requirements.

Raw Diets

Raw diets can be beneficial for some dogs, as these often contain higher protein levels and healthy fats conducive to weight gain.

High-Calorie Treats

Incorporating high-calorie treats can help supplement your dog’s diet, but ensure these are formulated for balance and health.

Final Verdict

ProDog Muscle+ is the top choice for its high protein and versatility. Hench Range provides a premium option with natural ingredients. The Hunger of the Wolf is best for energetic or working dogs.

Overall, selecting high-calorie dog food should be based on individual needs. For a well-rounded solution, ProDog Muscle+ stands out as the best option. However, if you’re focused on performance nutrition, the Hench Range is an excellent alternative.

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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