Best Dog Weight Gainers: Top Picks for Healthy Muscle

What are the best dog weight gainers?
We’ve curated expert-tested, top-rated options to help your dog gain weight and build muscle with ease.

Dogs need energy to thrive. Sometimes, they need a little help to gain weight and build muscle. That’s where dog weight gainers come in.

These supplements are packed with calories, protein, and vitamins. They help underweight dogs, active pups, and all breeds feel stronger and healthier. Your dog deserves the best.

We’ve tested and reviewed the top options. From tasty chews to easy-to-mix liquids, we’ve got you covered. Discover the perfect fit for your furry friend.

List of Top 10 Dog Weight Gainers

Title	Best For	Price
11-in-1 Muscle Gain Chews – Weight Gain Supplements for Dogs with High Protein & Amino Acids – Premium Muscle Builder for Bully & All Breeds – Healthy for Puppies – 150 Chews – Chicken	Perfect for active dogs, underweight pups, or any breed that needs extra muscle, strength, and healthy weight gain. These chews are also great for puppies who need strong growth and lasting energy.	View on Amazon (paid link)
All American Canine Dog Weight Gainer Liquid – High Calorie Dog Food Supplement for Rapid Weight Gain, Mass, and Recovery – Appetite Stimulant (16 oz)	This product is perfect for dogs that are underweight, picky eaters, or recovering from illness or surgery. It’s also great for active dogs that burn lots of calories and need extra fuel for muscle, coat, and joint health.	View on Amazon (paid link)
YWUJID Dog Muscle Gain Power Chews-Canine Weight Gainer Formula,High Protein,Multivitamins,Overall Health & Energy,Immune Support,Muscle Building Supplement for Puppies,Adult & Senior Dogs-Chicken	YWUJID Dog Muscle Gain Power Chews are perfect for dog owners who want to help their pets build muscle, gain weight, and boost overall health. Whether you have a puppy, adult, or senior dog, these delicious chews are easy to give and loved by dogs.	View on Amazon (paid link)
All American Canine Bulk Dog Weight Gainer – High Calorie Dog Food Supplement & Protein Powder for Rapid Weight Gain, Mass, and Recovery – Appetite Stimulant – 230 Servings	This product is perfect for dog owners whose pets need to gain weight and boost energy. It’s ideal for underweight dogs or those recovering from illness or surgery.	View on Amazon (paid link)
Bully Max Dog Weight Gainer 2400 Cal – High Calorie Liquid Supplement for Dogs with Omega-3 & Whey Protein – Appetite & Recovery Support for All Breeds, Puppies to Adults – Made in USA – 16 oz	Bully Max Dog Weight Gainer is perfect for dog owners who want to help their underweight dogs gain healthy weight. It’s great for all breeds and ages, from puppies to seniors, and supports muscle growth, coat shine, and overall health.	View on Amazon (paid link)
ZENO 11-in-1 Muscle Gain Chews – Weight Gain Supplements for Dogs with High Protein & Amino Acids – Premium Muscle Builder for Bully & All Breeds – Healthy for Puppies – 150 Chews – Chicken	Perfect for active dogs, puppies, or those who need healthy weight gain. Great for bully breeds and all dogs who deserve more muscle, energy, and strength.	View on Amazon (paid link)
Under the Weather Ready Cal Powder for Dogs, High-Calorie Weight Gainer & Appetite Stimulant, Dog Energy Booster Veterinarian-Approved Pet Supplement with Vitamins & Minerals, Chicken Flavor \|10.58 oz	This product is perfect for underweight dogs, senior pets, or pups recovering from illness or stress who need extra calories, energy, and a tasty boost to regain strength fast.	View on Amazon (paid link)
All American Canine Dog Weight Gainer Chews – High Calorie Dog Food Supplement for Rapid Weight Gain, Mass, and Recovery – Appetite Stimulant – 60 Chews	This chew is perfect for dogs who lose weight or are lean. It helps them grow strong and stay healthy.	View on Amazon (paid link)

Detailed Reviews

Here are the Best Dog Weight Gainers chosen with expert care and real customer feedback. Each product is reviewed for its features, performance, and value. You’ll see which options bring the most strength and energy to your dog. Simple, clear, and trusted—this guide makes finding the right supplement easy.

1. 11-in-1 Muscle Gain Chews – Weight Gain Supplements for Dogs with High Protein & Amino Acids – Premium Muscle Builder for Bully & All Breeds – Healthy for Puppies – 150 Chews – Chicken

11-in-1 Muscle Gain Chews - Weight Gain Supplements for Dogs with High Protein & Amino Acids - Premium Muscle Builder for Bully & All Breeds - Healthy for Puppies - 150 Chews - Chicken

Give your dog the power to grow strong with 11-in-1 Muscle Gain Chews. These tasty bites are packed with protein and amino acids to build lean muscle and support recovery.

Perfect for underweight dogs. Great for active pups. Ideal for all breeds.

Each chew fuels your dog with energy, vitality, and strength. Vet-approved, puppy-safe, and irresistibly delicious, they make healthy gains easy. Strong body, happy dog.

Pros	Cons
Boosts muscle with protein & amino acids Supports healthy weight gain with calorie-rich formula Provides long-lasting energy for active dogs Vet-approved and safe for all breeds Delicious chicken flavor dogs love	Not suitable for overweight dogs due to high calorie content. May cause allergies in dogs sensitive to ingredients like Tumeric or Ashwagandha.

Perfect For:

Perfect for active dogs, underweight pups, or any breed that needs extra muscle, strength, and healthy weight gain. These chews are also great for puppies who need strong growth and lasting energy.

Ready to Purchase?

View Price on Amazon (paid link)

2. All American Canine Dog Weight Gainer Liquid – High Calorie Dog Food Supplement for Rapid Weight Gain, Mass, and Recovery – Appetite Stimulant (16 oz)

All American Canine Dog Weight Gainer Liquid – High Calorie Dog Food Supplement for Rapid Weight Gain, Mass, and Recovery – Appetite Stimulant (16 oz)

All American Canine Dog Weight Gainer Liquid is a high-calorie supplement for dogs. It helps dogs gain weight, build muscle, and recover faster.

Made with natural oils like salmon, coconut, and avocado. No fillers or harmful chemicals, just pure, safe ingredients.

Dogs love the savory taste, making it easy to mix with meals. Proudly made in the USA for all breeds and ages.

Pros	Cons
High calorie, all-natural weight gainer boosts energy fast. All-natural oils, no fillers: pure recipe. Tasty liquid flavor; dogs love it in food. Supports coat, joint, and muscle health. Made in USA, safe, high quality for all breeds.	May be pricey compared to regular dog food. Liquid form can get messy if spilled. Not ideal for dogs with sensitive stomachs.

Perfect For:

This product is perfect for dogs that are underweight, picky eaters, or recovering from illness or surgery. It’s also great for active dogs that burn lots of calories and need extra fuel for muscle, coat, and joint health.

Ready to Purchase?

View Price on Amazon (paid link)

3. YWUJID Dog Muscle Gain Power Chews-Canine Weight Gainer Formula,High Protein,Multivitamins,Overall Health & Energy,Immune Support,Muscle Building Supplement for Puppies,Adult & Senior Dogs-Chicken

YWUJID Dog Muscle Gain Power Chews-Canine Weight Gainer Formula,High Protein,Multivitamins,Overall Health & Energy,Immune Support,Muscle Building Supplement for Puppies,Adult & Senior Dogs-Chicken

YWUJID Dog Muscle Gain Power Chews are high-protein, vet-recommended treats for all dogs. They help build muscle, boost energy, and support overall health with natural ingredients.

These soft chews are easy to give and dogs love the flavor. They work for puppies, adults, and seniors, helping them gain weight and stay strong.

Pros	Cons
Boosts muscle growth and recovery with Omega-3 and Methionine. 11-in-1 chews for strength, health, and energy. High-calorie weight gainer for healthy mass gain. Delicious salmon flavor dogs love, easy to feed. Vet-recommended for all breeds and ages.	High price point may not fit all budgets. Strong flavor might not appeal to picky eaters. Daily use required for best results, could be inconvenient.

Perfect For:

YWUJID Dog Muscle Gain Power Chews are perfect for dog owners who want to help their pets build muscle, gain weight, and boost overall health. Whether you have a puppy, adult, or senior dog, these delicious chews are easy to give and loved by dogs.

Ready to Purchase?

View Price on Amazon (paid link)

4. All American Canine Bulk Dog Weight Gainer – High Calorie Dog Food Supplement & Protein Powder for Rapid Weight Gain, Mass, and Recovery – Appetite Stimulant – 230 Servings

All American Canine Bulk Dog Weight Gainer – High Calorie Dog Food Supplement & Protein Powder for Rapid Weight Gain, Mass, and Recovery – Appetite Stimulant – 230 Servings

Boost your dog’s health with All American Canine Bulk Dog Weight Gainer. It helps dogs gain weight fast, restore energy, and feel strong again. Packed with vitamins, probiotics, and proteins, it supports digestion, joints, and muscles.

This premium supplement is made with beef broth protein, whey, flaxseed, liver powder, and more. It promotes muscle growth, supports the immune system, and keeps your dog active. Every serving is designed to improve your pet’s overall well-being.

Easy to feed and great tasting, dogs love it. No artificial colors or harmful fillers—only safe, natural ingredients.

Pros	Cons
Fast weight gain for dogs Packed with protein and vitamins Boosts energy and vitality Supports joints, muscles, and immune system Made with all-natural ingredients only	Price may be high for some pet owners. Bulk size might not suit dogs with small appetites. Flavor may not appeal to picky eaters.

Perfect For:

This product is perfect for dog owners whose pets need to gain weight and boost energy. It’s ideal for underweight dogs or those recovering from illness or surgery.

Ready to Purchase?

View Price on Amazon (paid link)

5. Bully Max Dog Weight Gainer 2400 Cal – High Calorie Liquid Supplement for Dogs with Omega-3 & Whey Protein – Appetite & Recovery Support for All Breeds, Puppies to Adults – Made in USA – 16 oz

Bully Max Dog Weight Gainer 2400 Cal - High Calorie Liquid Supplement for Dogs with Omega-3 & Whey Protein - Appetite & Recovery Support for All Breeds, Puppies to Adults - Made in USA - 16 oz

Give your dog the boost they need with Bully Max Dog Weight Gainer 2400 Cal. This high-calorie liquid supplement is packed with whey protein and omega-3 fish oil for healthy weight gain and recovery.

It builds lean muscle fast. It supports skin hydration and a shiny coat. It helps dogs feel stronger and more active.

Safe for puppies to seniors. Easy to mix into food or feed directly. Made in the USA with trusted quality and zero recalls.

Pros	Cons
High-calorie blend helps underweight dogs gain healthy weight. Omega-3 and whey protein boost muscle and coat shine. Safe for all ages and breeds, from puppies to seniors. Made in USA, vet-approved, and GMP-compliant for trusted quality.	High price for small bottle, quick use-up. Strong fishy smell, may turn off picky dogs. Liquid form can be messy to handle.

Perfect For:

Bully Max Dog Weight Gainer is perfect for dog owners who want to help their underweight dogs gain healthy weight. It’s great for all breeds and ages, from puppies to seniors, and supports muscle growth, coat shine, and overall health.

Ready to Purchase?

View Price on Amazon (paid link)

6. ZENO 11-in-1 Muscle Gain Chews – Weight Gain Supplements for Dogs with High Protein & Amino Acids – Premium Muscle Builder for Bully & All Breeds – Healthy for Puppies – 150 Chews – Chicken

ZENO 11-in-1 Muscle Gain Chews - Weight Gain Supplements for Dogs with High Protein & Amino Acids - Premium Muscle Builder for Bully & All Breeds - Healthy for Puppies - 150 Chews - Chicken

Give your dog the power to grow strong with ZENO 11-in-1 Muscle Gain Chews. Packed with premium protein and essential amino acids, these chews help build lean muscle and support repair for a healthier, more athletic pup.

Fuel your dog’s body with a healthy weight gain formula. Each chew is calorie-dense and loaded with natural ingredients like turmeric, ashwagandha, and salmon oil to boost energy and support overall wellness.

Dogs love the tasty chicken flavor. Easy to chew. Perfect for puppies and all breeds.

Pros	Cons
Boosts muscle with high protein power Supports weight gain for lean, healthy growth Energizes dogs with lasting vitality Safe for all breeds and ages Tasty chews dogs love every day	Large chew size may be tough for small dogs Premium price compared to basic supplements Results vary depending on breed and activity level

Perfect For:

Perfect for active dogs, puppies, or those who need healthy weight gain. Great for bully breeds and all dogs who deserve more muscle, energy, and strength.

Ready to Purchase?

View Price on Amazon (paid link)

7. Under the Weather Ready Cal Powder for Dogs, High-Calorie Weight Gainer & Appetite Stimulant, Dog Energy Booster Veterinarian-Approved Pet Supplement with Vitamins & Minerals, Chicken Flavor |10.58 oz

Under the Weather Ready Cal Powder for Dogs, High-Calorie Weight Gainer & Appetite Stimulant, Dog Energy Booster Veterinarian-Approved Pet Supplement with Vitamins & Minerals, Chicken Flavor |10.58 oz

This powder helps dogs gain weight. It gives 40 calories per scoop.

It helps your dog eat more. It gives more energy. Just stir it in or mix with water.

Pros	Cons
Boosts weight gain with 40 calories per scoop for underweight dogs. Stimulates appetite for dogs with poor eating habits. Restores energy with essential vitamins and minerals. Irresistible chicken flavor dogs love, easy to use.	Not for puppies, only for adult dogs. May cause loose stools if not used as directed. Chicken flavor might not appeal to all dogs.

Perfect For:

This product is perfect for underweight dogs, senior pets, or pups recovering from illness or stress who need extra calories, energy, and a tasty boost to regain strength fast.

Ready to Purchase?

View Price on Amazon (paid link)

8. All American Canine Dog Weight Gainer Chews – High Calorie Dog Food Supplement for Rapid Weight Gain, Mass, and Recovery – Appetite Stimulant – 60 Chews

All American Canine Dog Weight Gainer Chews – High Calorie Dog Food Supplement for Rapid Weight Gain, Mass, and Recovery – Appetite Stimulant – 60 Chews

All American Canine Dog Weight Gainer Chews help dogs gain weight fast. They are high-calorie chews packed with vitamins and probiotics. These chews support joint health and muscle growth.

This healthy weight supplement boosts energy levels in pets. It is made with all-natural ingredients and has no harmful additives. Your dog will love the great taste of these chews.

Made in the USA, these chews are safe and nutritious. They help dogs regain energy and vitality quickly.

Pros	Cons
Fast weight gain for dogs Boosts energy and vitality Supports joints, muscles, and immune system Made with all-natural ingredients Proudly Made in USA	High calorie content may not suit all dogs. No option for smaller pack sizes. Price might be higher than other supplements.

Perfect For:

This chew is perfect for dogs who lose weight or are lean. It helps them grow strong and stay healthy.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Dogs need strength. Dogs need energy. Dogs need care.

Choosing the best dog weight gainer can feel exciting. You want your pup to thrive, look healthier, and feel stronger. The right supplement makes feeding easy and results visible.

Calories & Protein: Look for high-calorie formulas with quality protein. These help dogs gain weight fast and build lean muscle. More calories mean more energy for play and recovery.
Natural Ingredients: Choose supplements with safe, natural oils and no fillers. Salmon oil, coconut oil, and flaxseed are great options. They support digestion, coat health, and overall wellness.
Form Type: Decide between chews, powders, or liquids. Chews are tasty and easy to give. Powders mix well with food. Liquids are quick and simple for picky eaters.
Digestive Support: Supplements with probiotics and vitamins help digestion and nutrient absorption. This keeps your dog’s stomach happy while gaining weight.
Breed & Age Suitability: Make sure the product is safe for puppies, adults, and seniors. Some formulas are breed-specific, while others work for all dogs.
Vet Approval: Always check if the supplement is vet-recommended. This ensures safety and effectiveness for your dog’s health.
Taste & Palatability: Dogs love chicken flavors or savory oils. A supplement that tastes good makes feeding stress-free.
Recovery & Energy: Look for added amino acids and omega-3s. These boost recovery after activity and keep dogs energetic.
Made in USA or Trusted Source: Products made in regulated facilities give peace of mind. Quality control matters for your dog’s safety.

A good weight gainer should make your dog stronger, healthier, and happier. Pick the one that fits your dog’s needs, and watch them thrive with energy and vitality.