Best Dog Weight Gainers

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Pop Expert

Looking for the Best Dog Weight Gainers available to buy right now on Amazon but don’t want to have to do all the research on the pros and cons of the different types of Dog Weight Gainers?

Pop Expert have put together this list of the top 10 selling Dog Weight Gainers on Amazon – sorted by overall popularity and positive consumer reviews.

The Pop Expert list of top selling Dog Weight Gainers is the ideal place to start when you are trying to find the Best Dog Weight Gainers for your neeeds.

Popular Dog Weight Gainers on Amazon

Details on the Best Dog Weight Gainers

Bestseller No. 1
All American Canine Dog Weight Gainer – High Calorie Dog Food Supplement & Protein Powder for Rapid Weight Gain, Mass, and Recovery – Appetite Stimulant – 60 Servings
  • HELPS DOG GAIN WEIGHT: All American Canine powder helps dogs to gain healthy weight fast. Our powder is a high-calorie weight gainer and is packed with vitamins, probiotics, and other digestive, joint, and muscle-supporting components that help your pets regain energy and vitality.
  • HEALTHY WEIGHT SUPPLEMENT: Our premium weight gainer is formulated with a unique blend of high-quality ingredients working to promote joint health, enhance muscle growth, boost the immune system, and support a dog’s overall well-being.
  • USEFUL INGREDIENTS: Beef broth protein powder, whey protein, ground flaxseed, beef, liver powder, sweet potato powder, pumpkin powder, blueberry powder, sunflower lecithin, organic kelp, and essential nutrients to boost your dog's weight to stay active and play more.
  • ADD WEIGHT & ENERGY TO YOUR PET FAST: Our high protein and fats powered are packed with essential vitamins and minerals to help your dog gain healthy weight and increase energy levels. They are easy to feed and taste great so your pet will love them.
  • NONE OF THE BAD STUFF: We're dog lovers. That is why we only use all-natural, safe, and nutritious components. There is no polypropylene (which is safe for cats), glycerin, artificial colors, or trans fats.
Bestseller No. 3
Miracle Vet High-Calorie Weight Gainer for Dogs & Cats - Multivitamin Nutritional Supplement Gel, Omega Fish Oil, Calcium - Puppy, Senior, Prenatal Cat & Dog Vitamins, Supplements for Weight Gain
  • HIGH-CALORIE WEIGHT GAINER for DOGS and CATS - Miracle Vet dog high-calorie weight gain multivitamin supplement is packed with calories and essential vitamins, and minerals to support overall pet health and formulated especially for multiple purposes, including senior dog supplements, dog prenatal vitamins, and dog electrolytes
  • 29 VITAMINS & MINERALS - This cat and dog multivitamin is packed with 29 essential vitamins and minerals, including calcium for dogs and fish oil for cats, designed to support your pet's overall health and well-being. Ideal as senior dog vitamins, and dog food supplements, this versatile formula also works as a dog muscle builder and dog food topper for picky eaters ensuring your furry friend gets all the nutrients they need to thrive
  • #1 INGREDIENT IS OMEGA-3 FISH OIL - Miracle Vet Weight Gain supplement comes packed with omega-3 fish oil, which promotes healthy skin and coat while providing a natural energy source. Ideal for cat, dog moms and pet care enthusiasts, this dog and cat supplement support the overall health of your furry family members. Additional fish oil health benefits: protects the heart, provides support for dry, flaky skin in allergy, helps slow down the progression of kidney disease, aids arthritic joints
  • EASY TO USE NUTRITIONAL SUPPLEMENT - Our weight gainer for dog and cat multivitamin is simple to incorporate into your pet's daily routine, whether mixed with their regular dog food, used as a dog food topper for picky eaters, or added to water. Ideal for small breed dogs, senior dogs, and puppies, this dog and cat nutritional supplement is perfect for pet owners looking to improve their pet's health, muscle growth, and weight gain. Give your furry friend the care they deserve with Miracle Vet
  • APPETITE STIMULANT for PETS - Supportive appetite stimulant for dogs and cats will entice even the most finicky eaters, ensuring they get the vitamins and nutrients they need to thrive, including dog electrolytes and calcium for dogs and cats. It caters to various pet needs, making it ideal for cat and dog care. From weight gain and appetite stimulation to senior dog care and prenatal support, this all-in-one formula is perfect for pet parents who want the best for their furry companions
Bestseller No. 4
High Calorie Weight Gainer for Dogs, 20 OZ Dog Appetite Stimulant & Dog Weight Gain Formula Protein & Fat Rich for Puppy with Multivitamins for Rapid Weight Gain Chicken Flavor
  • Healthy Weight Gain: As a high calorie weight gainer for dogs, it provides 25 calories and essential nutrients per scoop to safely promote rapid weight gain for dogs. Weight gainer for dogs is suitable for underweight puppies and senior dogs to ensure muscle growth and long-lasting vitality. With our dog weight gain, even pets who are picky eaters or recovering from illness can achieve a healthy body shape. Weight gain for dogs, scientific nutrition helps dogs gain weight successfully
  • Helps With Appetite: Our dog weight gain is an appetite booster. Dog appetite stimulant is formulated with delicious chicken flavor and nutrition. Appetite stimulant for dogs is especially suited for pets with appetite boosting needs, such as those recovering from surgery or seniors who have lost their appetite, and ensures that your dog is getting their key calories through weight gainer for dogs. This appetite increaser for dogs can be easily mixed into dry food, wet food or water
  • Multi-Vitamins and Nutrients: Our high calorie weight gainer for dogs is enriched with 24 vitamins, minerals and amino acids. This weight gain for dogs not only provides calories, it also replenishes nutrients and promotes total body health. Each scoop of dog weight gain aids in digestive health and joint flexibility. Whether used as a senior dog weight gain supplement or as a puppy weight gainer, dogs weight gainer is an excellent solution as an alternative to regular vitamins
  • Easy to Feed Delicious: This delicious chicken flavor dog weight gain makes everyday feeding easier. The fine powder texture of appetite stimulant for dogs is perfect for incorporating into wet or dry food or homemade meals. weight gainer for dogs dissolves instantly in water for fast weight gain. Weight gain for dogs for all ages and breeds. There is no need for an extra measure with this high calorie weight gainer for dogs - one spoonful at a time for easy feeding
  • Vet Certification: This weight gainer for dogs is made with safe, natural ingredients to gently address your dog's weight-gaining challenges. Appetite stimulant for dogs contains no corn, soy, artificial flavors or harmful additives. Weight gain for dogs has a variety of nutrients added to help support your dog's overall health. Non-GMO certified, it's a safe choice for dogs weight gainer. Give your dog the gift of healthy weight gain with this vet recommended dog weight gain supplement
Bestseller No. 5
Dog Weight Gainer Approx 90 Servings - Weight Gain Supplements for Dogs - Canine and Dog Muscle Builder - Made in The USA
  • DOG WEIGHT AND MUSCLE GAIN - Has your dog recently suffered from an illness or injury which has caused them to lose weight or size? Or do you have a show or working dog which could benefit from some extra size or muscle growth? PET CARE Sciences dog weight gainer is the product for you!
  • WEIGHT GAINER FOR DOGS - Packed with protein and all the other natural supplements that your dog needs to regain lost weight or increase muscle size. Simply add this daily weight gain supplement into your dogs daily routine to help your dog bulk up. Each serving contains roughly 600 calories.
  • OTHER KEY BENEFITS - Not only will this supplement help to grow your dogs size it also aids with the side affects of the increase weight. Included vitamins such as amino acid help with joints strain, reduce inflammation and supports your dogs skin and coat condition.
  • HOW TO USE - Containing roughly 90 servings of sweet bacon flavor powder, you will not struggle to get your dog to take this supplement. Other size options include 30, 45, 90, 230 and 415 packs. Simply add to their food daily to see the best results. We recommend half a scoop daily for a puppy and one full scoop daily for adult dogs. (see product packaging for full portion suggestion)
  • PET CARE Sciences - We know that your pet's health and happiness is incredibly important to you, and rightly so. PET CARE Sciences is here to help safely maintain the health of your precious pets. Made in the USA from naturally sourced ingredients to best support mans best friend.

Newest Dog Weight Gainers

New
Appetite Stimulant for Dogs - High-Calorie Weight Gainer - Immunity Support Sick Recovery - Pet Supplement with Vitamins & Minerals | Chicken Flavor | 120g
  • BOOSTS HEALTHY WEIGHT GAIN: Provides 40 calories per scoop with essential nutrients to help dogs regain weight quickly and prevent further weight loss. Perfect for underweight dogs, seniors, or those recovering from illness or stress with only 1-2 scoops per day.
  • STIMULATES APPETITE: Encourages eating in dogs with poor appetites caused by illness, age, stress, or medical recovery. This nutritional supplement helps restore appetite, ensuring your pup gets the daily calories and nutrition needed to stay strong and healthy.
  • ENERGY-BOSSTING FORMULA: Packed with 9 essential vitamins, 6 minerals, carbohydrates and omega fatty acids to restore energy, strengthen immunity, and keep your dog active, playful, and healthy.
  • IRRESISTIBLE & EASY TO USE: A highly palatable, easy to use new formula powder featuring a savory chicken flavor dogs love. Just sprinkle it over your pet’s food or mix it with warm water to create a flavorful gravy.
  • THE BEST FOR YOUR DOG - Ready Cal Powder for Dogs is vet-formulated to provide the essential calories your dog needs daily to gain or maintain a healthy weight. With a savory rotisserie chicken flavor dogs love to promote weight gain. Proudly manufactured in the USA without artificial flavors or dyes.
On Sale!New
Bully Max Puppy Development Bundle: High-Protein Lamb Puppy Food (5lb), 2-in-1 Vitamin Tabs (2 Bottles) & Power Tabs (60ct) for Muscle - Supports Growth, Immunity, Digestion & Training for All Breeds
  • COMPLETE PUPPY WELLNESS: This convenient bundle pairs our 24/14 lamb-based puppy food (5 lb) with two supplement options to round out daily care. 2-in-1 Puppy Tabs offer everyday support for growth, development, and training, while Power Tabs add extra muscle support for active pups. Together they provide balanced nutrition, practical daily support, and simple formats dogs love—kibble, chewable tabs, or crushed as a topper. Easy for daily use.
  • SUPPORTS HEALTHY GROWTH & MUSCLE: 24/14 Puppy Food supplies energy and protein for growing bodies, with small, easy-to-chew kibble for young mouths. 2-in-1 Puppy Tabs help maintain strong bones, flexible joints, and overall vitality during key growth stages. Power Tabs complement active routines with added muscle support for play, training, and everyday activity—ideal for puppies building strength at a sensible pace. For all breeds.
  • DIGESTION & IMMUNE SUPPORT MADE EASY: The lamb recipe is gentle and made for everyday feeding, while the 2-in-1 Puppy Tabs include supportive ingredients for a settled tummy and efficient nutrient use. Power Tabs add complementary support for active days. Use together to help maintain regularity, good appetite, and a healthy skin & coat. All items are simple to give as treats or served as a tasty food topper. Follow label guidance by life stage.
  • BRAIN, JOINT & COAT SUPPORT: This kit focuses on the areas that matter most for young dogs—learning, movement, and daily comfort. 2-in-1 Puppy Tabs provide supportive nutrients for brain development and joint comfort, while 24/14 Puppy Food includes omegas to help keep skin and coat in good condition. Power Tabs add balanced muscle support for pups starting training or leveling up their playtime routine. Ideal for active, learning pups.
  • TASTY & CONVENIENT: All products are made with high-quality, filler-free ingredients that are loved by dogs. The small soft kibble and the easy-to-administer tabs make supporting your puppy's health simple and fun. The tabs can be given as a treat or crushed and used as a food topper. These products are suitable for all breeds and ages and are made in the USA with zero recalls.
On Sale!New
Bully Max Puppy Training & Muscle Support Duo – Power Tabs (60 ct) + Beef Soft Treats (1 Bag) – Supports Healthy Growth, Muscle Upkeep, Digestion, Joints, Skin & Coat, Reward Treats for All Breeds
  • COMPLETE PUPPY ROUTINE: Two coordinated essentials for everyday care—Power Tabs for daily support and beef-flavored soft Training Treats for quick, positive rewards. Give tabs as treats or crumble as a topper; break treats into tiny pieces to manage calories during short sessions. Clear label directions by age and weight make portions simple, while resealable packs help preserve aroma and texture for picky eaters across breeds and sizes.
  • PROMOTES MUSCLE & PERFORMANCE: Our Power Tabs are formulated with essential amino acids and ZMA to help support muscle and body growth, as well as athletic performance and endurance. They also aid in training recovery. When paired with the high-quality protein from our treats, this bundle is designed to help your puppy gain healthy weight and reach their physical potential.
  • SUPPORTS BRAIN & JOINT HEALTH: This bundle is packed with ingredients to help support your puppy's cognitive and physical development. The training treats contain DHA for brain health and Glucosamine & Chondroitin for joint support. Our Power Tabs also provide nutrients that support joint and cognitive function. Together, these products offer all-around support for a healthy and active life.
  • HEALTHY DIGESTION & COAT: Both products are easy to digest, with the Power Tabs helping to support a normal digestive system function. Our training treats are packed with Omega-6 fatty acids to support healthy skin and a vibrant coat, while the Power Tabs also contain ingredients to help with skin and coat health. This bundle helps your puppy feel great from the inside out and look their best.
  • TASTY & CONVENIENT: Both products are made with high-quality, filler-free ingredients that are loved by dogs. The easy-to-administer tabs can be given as a treat or crushed and used as a food topper. The soft texture of the training treats makes them perfect for rewarding your puppy. This bundle is suitable for all breeds and sizes and is made in the USA with zero recalls.
New
High Calorie Weight Gainer, 5 oz Dog Appetite Stimulant & Dog Weight Gain Formula Protein & Fat Rich Puppy Weight Gainer with Multivitamins
  • Healthy Weight Gain: As a high calorie weight gainer for dogs, it provides 40 calories and essential nutrients per scoop to safely promote rapid weight gain for dogs. Weight gainer for dogs is suitable for underweight puppies and senior dogs to ensure muscle growth and long-lasting vitality. With our dog weight gain, even pets who are picky eaters or recovering from illness can achieve a healthy body shape
  • Helps With Appetite: Our dog weight gain is an appetite booster. Dog appetite stimulant is formulated with delicious chicken flavor and nutrition. Appetite stimulant for dogs is especially suited for pets with appetite boosting needs, such as those recovering from surgery or seniors who have lost their appetite, and ensures that your dog is getting their key calories through weight gainer for dogs. This appetite increaser for dogs can be easily mixed into dry food, wet food or water
  • Multi-Vitamins and Nutrients: Our high calorie weight gainer for dogs is enriched with 25 vitamins, minerals and amino acids. This weight gain for dogs not only provides calories, it also replenishes nutrients and promotes total body health. Each scoop of dog weight gain aids in digestive health and joint flexibility
  • Easy to Feed Delicious: This delicious dog weight gain makes everyday feeding easier. The fine powder texture of appetite stimulant for dogs is perfect for incorporating into wet or dry food or homemade meals. weight gainer for dogs dissolves instantly in water for fast weight gain. Weight gain for dogs for all ages and breeds. There is no need for an extra measure with this high calorie weight gainer for dogs - one spoonful at a time for easy feeding
  • Vet Certification: This weight gainer for dogs is made with safe, natural ingredients to gently address your dog's weight-gaining challenges. Appetite stimulant for dogs contains no corn, soy, artificial flavors or harmful additives. Weight gain for dogs has a variety of nutrients added to help support your dog's overall health. Non-GMO certified, it's a safe choice for dogs weight gainer. Give your dog the gift of healthy weight gain with this vet recommended dog weight gain supplement