Top 10 Dog Weight Gainers
for March 2021

Recommendations are independently chosen by MOOZ’s editors. Purchases you make through our links may earn us a commission.

1
9.8
SCORE
Dyne High Calorie / Weight Gainer Liquid for Dogs, 16 oz

Dyne High Calorie / Weight Gainer Liquid for Dogs

16 oz

by PetAg Inc.
What We like

Tasty vanilla flavor dogs love is ideal for even the finickiest of pups

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Product Features

  • Convenient way to add calories and combat dehydration when mixed with water
  • Can be used to wet kibble, as a wet food mix in, or given in syringe or bowl
  • Perfect for growing pups, pregnant or nursing moms, working dogs, or dogs recovering from surgeries and illnesses
  • Provides liquid calories to support weight gain, provide energy, and promote overall health

Provides liquid calories to support weight gain, provide energy, and promote overall health Convenient way to add calories and combat dehydration when mixed with water Perfect for growing pups, pregnant or nursing moms, working dogs, or dogs recovering from surgeries and illnesses Can be used to wet kibble, as a wet food mix in, or given in syringe or bowl

2
9.5
SCORE
Miracle Vet High Calorie Weight Gainer for Dogs & Cats - 9,600 Calories (1 Big Bottle - 64 oz)

Miracle Vet High Calorie Weight Gainer for Dogs & Cats

9,600 Calories (1 Big Bottle, 64 oz)

by Miracle Vet
What We like

EASIER TO USE: Miracle Vet comes in a ready to use liquid form. No shaking or mixing is required. Other brands use liquids that separate when sitting, or powders that requires mixing.

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Product Features

  • CONTAINS THE MOST FAT: Miracle Vet contains 150 calories per ounce. 130 of these calories are from healthy fats.
  • CONTAINS HEALTHY FATS: Miracle Vet Uses fish oil as the #1 ingredient. Fish oil is healthy, contains zero trans fats, and has tons of nutritional value.
  • HIGHER QUALITY PROTEIN: Miracle Vet uses whey protein isolate. Its the highest quality protein in the world and has a biological value rating of 159.
  • ALL-NATURAL: All-natural, safe, and healthy. NO POLYPROPYLENE (SAFE FOR CATS), NO GLYCERINE, NO ARTIFICIAL COLORS, NO TRANS FATS.

Contains healthy fats: Miracle Vet uses fish oil as the #1 ingredient. fish oil is healthy, contains zero trans fats, and has tons of nutritional value. All-natural: all-natural, safe, and healthy. no polypropylene (safe for cats), no glycerine, no artificial colors, no trans fats. Contains the most fat: Miracle Vet contains 150 calories per ounce. 130 of these calories are from healthy fats. Higher quality protein: Miracle Vet uses whey protein isolate. its the highest quality protein in the world and has a biological value rating of 159.

3
9.5
SCORE
Dyne High Calorie/Weight Gainer Liquid for Dogs, 32 oz

Dyne High Calorie/Weight Gainer Liquid for Dogs

32 oz

by PetAg Inc.
What We like

The highly palatable vanilla flavor makes our high calorie liquid supplement the Easy way to improve nutrition for even the pickiest pups

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Product Features

  • High in fat, Dyne helps Your Dogs recover from illnesses and injuries more quickly and comfortably
  • Dyne liquid nutritional supplement provides additional calories for active Dogs and puppies needing extra nutrition
  • Enhanced with added vitamins to ensure Your dog is getting adequate nutrition, Not just empty calories
  • It delivers critical nutrition to help nursing mothers keep up with their new puppies

Dyne liquid nutritional supplement provides additional calories for active dogs and puppies needing extra nutrition High in fat, dyne helps your dogs recover from illnesses and injuries more quickly and comfortably It delivers critical nutrition to help nursing mothers keep up with their new puppies Enhanced with added vitamins to ensure your dog is getting adequate nutrition, not just empty calories

4
9.4
SCORE
Dyne High Calorie/Weight Gainer Dog Supplement

Dyne High Calorie/Weight Gainer Dog Supplement

by PetAg Inc.
What We like

Provides additional calories when needed

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Product Features

  • With added vitamins
  • Vanilla flavored to encourage consumption
  • Can be used to wet kibble

Can be used to wet kibble Vanilla flavored to encourage consumption With added vitamins

5
8.9
SCORE
Buddy & Lola Weight Gainer for Dogs (90 Servings) Healthy Weight Gainer Supplement for Dogs. Muscle Builder, Injury Recovery, Energy & Performance Supplement for All Breeds. Made in The USA

Buddy & Lola Weight Gainer for Dogs (90 Servings) Healthy Weight Gainer Supplement for Dogs. Muscle Builder

Injury Recovery, Energy & Performance Supplement for All Breeds. Made in The USA

by Buddy & Lola
What We like

THE ULTIMATE DOG FOOD SUPPLEMENT: Our weight gainer for dogs is formulated to help improve muscle endurance, muscle recovery, muscle performance, and muscle building. It is also formulated to promote overall muscle strength in dogs and to immensely reduce muscle fatigue. A must-have for RESCUE and RE-HOMED dogs that need to increase mass.

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Product Features

  • 100% SAFE & PROVEN: We care passionately about your dogs health and the wellbeing of dogs is our primary motivator. We use this product on our own re-homed dogs with great results. All the ingredients used in formulating this special powdered supplement for dogs are strictly subject to GMP guidelines. We have consistent quality standards which we can stand by hand on heart.
  • MAXIMIZE ENERGY & PROTEIN INTAKE: We understand how important energy and proteins are for building your dog's muscle mass. Proteins are also essential for the ongoing development of lean muscles in dogs and that's why we have developed this awesome dog supplement that will maximize protein intake for the optimum health of your dog.
  • ESSENTIAL NUTRIENTS TO ADD HEALTHY MASS & SIZE: Our supplement is formulated with essential nutrients and proteins to help your dog gain healthy mass and bulk. Highly recommended for picky eaters, underweight dogs, bully breeds & ALL BREEDS. Simply add the powder to your dog's food and monitor the results over the next few weeks.
  • RECOMMENDED FOR PUPPIES & NURSING MOTHERS: Great for a nursing mother and puppies to promote growth and development of body tissue. Helps to support ATP levels, normalize blood glucose levels, promotes muscle recovery after a long walk or prolonged workout and contains healthy fats to support healthy skin and shiny coats.

Essential nutrients to add healthy mass & size: our supplement is formulated with essential nutrients and proteins to help your dog gain healthy mass and bulk. highly recommended for picky eaters, underweight dogs, bully breeds & all breeds. simply add the powder to your dog's food and monitor the results over the next few weeks. 100% safe & proven: we care passionately about your dogs health and the wellbeing of dogs is our primary motivator. we use this product on our own re-homed dogs with great results. all the ingredients used in formulating this special powdered supplement for dogs are strictly subject to gmp guidelines. we have consistent quality standards which we can stand by hand on heart. Maximize energy & protein intake: we understand how important energy and proteins are for building your dog's muscle mass. proteins are also essential for the ongoing development of lean muscles in dogs and that's why we have developed this awesome dog supplement that will maximize protein intake for the optimum health of your dog. Recommended for puppies & nursing mothers: great for a nursing mother and puppies to promote growth and development of body tissue. helps to support atp levels, normalize blood glucose levels, promotes muscle recovery after a long walk or prolonged workout and contains healthy fats to support healthy skin and shiny coats.

6
8.9
SCORE
MVP K9 Formula Mass Weight Gainer for Dogs - Helps Promote Healthy Weight Gain, Size and Muscle in Dogs - Great for Skinny, Underweight, Picky Eaters. All Breed Formula, Made in USA (90 Servings)

MVP K9 Supplements MVP K9 Formula Mass Weight Gainer for Dogs

Helps Promote Healthy Weight Gain, Size and Muscle in Dogs, Great for Skinny, Underweight, Picky Eaters. All Breed Formula, Made in USA (90 Servings)

by MVP K9 Supplement
What We like

No Fillers, No Salts, No Sugars - Formula Mass Weight Gainer contains useless fillers or additives, just the key ingredients for helping improving weight gain and size in your dog.

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Product Features

  • Promotes Muscle Growth & Energy - Each scoop of Formula Mass Weight Gainer contains whey protein and Creapure that have been proven scientifically to help support muscle growth.
  • Works Great for Skinny, Underweight, Picky Eaters - Formula Mass Weight Gainer works great for adding mass and weight on skinny underweight dogs of all breeds. Dogs love the taste which make it great for picky eaters. Also recommended for malnourished dogs. All Breed Formula Formulated - Labrador retrievers, German Shepherds, Bulldogs, Rottweilers, Boxers, Huskeys, Terriers, Pitbulls, Beagles, Great Danes, Border Collies, Frenchies and all other breeds.

Promotes muscle growth & energy - each scoop of formula mass weight gainer contains whey protein and creapure that have been proven scientifically to help support muscle growth. Works great for skinny, underweight, picky eaters - formula mass weight gainer works great for adding mass and weight on skinny underweight dogs of all breeds. dogs love the taste which make it great for picky eaters. also recommended for malnourished dogs. all breed formula formulated - labrador retrievers, german shepherds, bulldogs, rottweilers, boxers, huskeys, terriers, pitbulls, beagles, great danes, border collies, frenchies and all other breeds.

7
8.8
SCORE
PetExcellent Bully Muscle Builder | Dog Protein Powder | Weight Gainer for Your Bully, Pitbull, Frenchies, or More | 283g 60 Servings 30 Day Supply

PetExcellent Bully Muscle Builder

Dog Protein Powder, Weight Gainer for Your Bully, Pitbull, Frenchies, or More, 283g 60 Servings 30 Day Supply

by PetExcellent
What We like

EASY TO USE POWDER - Stop messing around with tablets, pills and capsules. Our easy to use scoop makes supplementation for your dog extremely easy with no headache. Simply pour the powder over your canines food during feeding and your canine will gobble it up!

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Product Features

  • Vet Approved
  • STRONGEST FORMULA - Our bully protein contains 77% protein, maximizing muscle gains. No weak stuff here! Just a pure LEAN muscle builder!
  • ABSOLUTELY NO ARTIFICIAL FLAVORS - Contains ZERO HARMFUL artificial flavors or sweeteners! Bully Protein is manufactured in the USA in a GMP Approved facility. Make sure you are feeding your canine pure and natural ingredients.
  • ALL BREEDS, SIZES, AGES - Completely safe for all dog breeds, sizes, and ages. Safe for puppies and adult dogs. Amazing for Bullies, pitbulls, american bullies, siberian huskys, bulldogs, french bulldogs, frenchies

strongest formula - our bully protein contains 77% protein, maximizing muscle gains. no weak stuff here! just a pure lean muscle builder! all breeds, sizes, ages - completely safe for all dog breeds, sizes, and ages. safe for puppies and adult dogs. amazing for bullies, pitbulls, american bullies, siberian huskys, bulldogs, french bulldogs, frenchies vet approved absolutely no artificial flavors - contains zero harmful artificial flavors or sweeteners! bully protein is manufactured in the usa in a gmp approved facility. make sure you are feeding your canine pure and natural ingredients.

8
7.5
SCORE
Lexelium Weight Gainer and Appetite Stimulant for Cats and Dogs | 100% Natural Pet Supplement | Helps Add Weight, Stimulate Appetite, and Build Muscle | Helps Pets with Protein | No Toxic Ingredients

Lexelium Weight Gainer and Appetite Stimulant for Cats and Dogs

100% Natural Pet Supplement, Helps Add Weight, Stimulate Appetite, and Build Muscle, Helps Pets with Protein, No Toxic Ingredients

by Lexelium
What We like

EASY-TO-MIX POWDER FORM: Mixes Easily With Wet and Dry Food + All ingredients sourced and manufactured in USA. Excellent way to supplement your dog's and cat's nutrition with extra protein

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Product Features

  • ALL-NATURAL DOG WEIGHT GAINER AND APPETITE STIMULANT: Designed to give their young kittens and puppies a significant growth boost and build muscle. This product will help them grow big and strong!
  • VETERINARY APPROVED FORMULA: Every Ingredient We Use Has Medical Evidence That Can Be Found On Our Website
  • MULTI-PET CONVENIENT: Suitable for dogs, cats, farm animals, rodents

All-natural dog weight gainer and appetite stimulant: designed to give their young kittens and puppies a significant growth boost and build muscle. this product will help them grow big and strong! Veterinary approved formula: every ingredient we use has medical evidence that can be found on our website Multi-pet convenient: suitable for dogs, cats, farm animals, rodents

9
7.5
SCORE
Muscle Bully Gains - Mass Weight Gainer, Whey Protein for Dogs (Bull Breeds, Pit Bulls, Bullies) Increase Healthy Natural Weight, Made in The USA (45 Servings (Trial Size))

Muscle Bully Gains

Mass Weight Gainer, Whey Protein for Dogs (Bull Breeds, Pit Bulls, Bullies) Increase Healthy Natural Weight, Made in The USA (45 Servings (Trial Size))

by Muscle Bully
What We like

EASY TO USE, CHEAPER THAN AN EXPENSIVE VETERINARIAN DIETS. Veterinarian diets can be expensive and time consuming. Not only with vet visit fees but also expensive diets, food and nutrition you'll also have purchase. Our Mass GASS eliminate expensive diet and vet fees and is much easier to use by simply sprinkling the serving amount over their current food. Muscle Bully GAINS comes in 2 serving sizes: 45 serving and 90 serving. A pre-measured scoop is included.

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Product Features

  • 100% HIGH QUALITY INGREDIENTS FOR: Adding mass, Helping with Muscle Recovery and Overall Skin and Health. This product is produced and manufactured in the USA. The ingredients inside are safe, tested and follow GMP Guidelines. This product is veterinarian approved. Over 17+ Amino Acids inside each scoop for helping your dog's overall health.
  • WANT TO ADD MASS FAST ON YOUR SKINNY BULLY? Muscle Bully GAINS is a powerful nutritional supplement that is designed to help skinny, scrawny dogs pack on HEALTHY MASS. This product contains 2 powerful ingredients (Crude Protein 26% and Crude Fat 50%) that help ADD WEIGHT on your dog.
  • RECOMMENDED FOR: SKINNY, UNDERWEIGHT, SCRAWNY, SMALL, PUNEY Dogs. Great for Pitbulls, American Bullies, American Bulldogs, English Bulldogs, Exotics & all Bull Breeds. Has your dog recently had surgery and lost weight? Is he a picky eater? Do you have a litter of small underdeveloped puppies you want to fatten up? Muscle Bully Gains is your answer.

Want to add mass fast on your skinny bully? Muscle Bully gains is a powerful nutritional supplement that is designed to help skinny, scrawny dogs pack on healthy mass. this product contains 2 powerful ingredients (crude protein 26% and crude fat 50%) that help add weight on your dog. 100% high quality ingredients for: adding mass, helping with muscle recovery and overall skin and health. this product is produced and manufactured in the usa. the ingredients inside are safe, tested and follow gmp guidelines. this product is veterinarian approved. over 17+ amino acids inside each scoop for helping your dog's overall health. Recommended for: skinny, underweight, scrawny, small, puney dogs. great for pitbulls, american bullies, american bulldogs, english bulldogs, exotics & all bull breeds. has your dog recently had surgery and lost weight? is he a picky eater? do you have a litter of small underdeveloped puppies you want to fatten up? Muscle Bully gains is your answer.

10
7.5
SCORE
Buddy & Lola Weight Gainer for Dogs - Healthy Weight Gainer Supplement for Dogs - Muscle Builder, Injury Recovery, High Calorie Energy & Performance Supplement for All Breeds. Made in The USA

Buddy & Lola Weight Gainer for Dogs

Healthy Weight Gainer Supplement for Dogs, Muscle Builder, Injury Recovery, High Calorie Energy & Performance Supplement for All Breeds. Made in The USA

by Buddy & Lola
What We like

THE ULTIMATE DOG FOOD SUPPLEMENT: Our weight gainer for dogs is formulated to help improve muscle endurance muscle recovery muscle performance and muscle building. It is also formulated to promote overall muscle strength in dogs and to immensely reduce muscle fatigue. A must-have for RESCUE and RE-HOMED dogs that need to increase mass.

more infoarrow_drop_down

Product Features

  • MAXIMIZE ENERGY & PROTEIN INTAKE: We understand how important energy and proteins are for building your pet muscle mass. Proteins are also essential for the ongoing development of lean muscles in dogs and that's why we have developed this awesome dog supplement that will maximize protein intake for the optimum health of your dog.
  • 100% SAFE & PROVEN: We care passionately about your dogs health and the wellbeing of dogs is our primary motivator. We use this product on our own re-homed dogs with great results. All the ingredients used in formulating this special powdered supplement for dogs are strictly subject to GMP guidelines. We have consistent quality standards which we can stand by hand on heart.
  • RECOMMENDED FOR PUPPIES & NURSING MOTHERS: Great for a nursing mother and puppies to promote growth and development of body tissue. Helps to support ATP levels normalize blood glucose levels promotes muscle recovery after a long walk or prolonged workout and contains healthy fats to support healthy skin and shiny coats.
  • ESSENTIAL NUTRIENTS TO ADD HEALTHY MASS & SIZE: Our supplement is formulated with essential nutrients and proteins to help your dog gain healthy mass and bulk. Highly recommended for picky eaters underweight dogs pitbull, bully breeds & ALL BREEDS. Simply add the powder to your dog's food and monitor the results over the next few weeks.

100% safe & proven: we care passionately about your dogs health and the wellbeing of dogs is our primary motivator. we use this product on our own re-homed dogs with great results. all the ingredients used in formulating this special powdered supplement for dogs are strictly subject to gmp guidelines. we have consistent quality standards which we can stand by hand on heart. Essential nutrients to add healthy mass & size: our supplement is formulated with essential nutrients and proteins to help your dog gain healthy mass and bulk. highly recommended for picky eaters underweight dogs pitbull, bully breeds & all breeds. simply add the powder to your dog's food and monitor the results over the next few weeks. Maximize energy & protein intake: we understand how important energy and proteins are for building your pet muscle mass. proteins are also essential for the ongoing development of lean muscles in dogs and that's why we have developed this awesome dog supplement that will maximize protein intake for the optimum health of your dog. Recommended for puppies & nursing mothers: great for a nursing mother and puppies to promote growth and development of body tissue. helps to support atp levels normalize blood glucose levels promotes muscle recovery after a long walk or prolonged workout and contains healthy fats to support healthy skin and shiny coats.

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