Dog food to gain weight is essential for pet owners looking to help their furry friends achieve a healthy weight. In 2025, the market offers a variety of high-calorie, nutrient-dense options specifically formulated to support weight gain in dogs. These foods typically contain higher levels of protein and fat, ensuring that your dog receives the necessary energy and nutrients for healthy growth. When selecting the best dog food for weight gain, consider factors such as your dog's age, breed, and dietary needs to find the perfect match.
Bully Max Dry Dog Food for Adults & Pupppies - High Protein & Fat for Muscle & Weight Gain - High Performance Dog Food Supplements - Small & Large Breed Dogs (535 Calories Per Cup), Chicken, 5lb Bag
- OPTIMAL MUSCLE & WEIGHT GAIN: Bully Max 30/20 High Protein Dog Food, the ONLY 5-star rated performance dog food by the world’s #1 online dog food review site, is designed for healthy weight gain and rapid muscle growth. With 30% more protein and 20% more fat than traditional options and a substantial 535 calories per cup, it efficiently nourishes your dog. This results in lower serving sizes with the same major dog fuel, particularly active breeds, receives ample energy for daily activities.
- HIGH PROTEIN, BALANCED DIET: Bully Max 30/20, with its meat-based formula rich in Chicken Meal & White Fish, provides high-quality protein for dog health. Infused with Chicken Fat for essential fats, Dried Plain Beet Pulp for fiber, and Whitefish Meal for omega fatty acids, plus natural dry dog food vitamins, minerals, and trace nutrients. Supports healthy weight management, overall dog health and vitality across all dog breeds & sizes. Quality checked for freshness to avoid odor or spoilage.
- ENHANCED CALORIC DENSITY: With 535 calories per cup, this high protein dog food is one of the most calorie-rich options available. Ideal for large breed puppies & adult dogs, it lets you feed up to 50% less while delivering optimal nutrition. Crafted to minimize metallic or lingering odors. Aroma, texture & flavor appeal to picky eaters. Formulated with premium natural ingredients, it's not just the best dry dog food for energy & growth but also a smarter, more efficient way to nourish your dog.
- COMPREHENSIVE NUTRITION FOR ALL DOG BREEDS AND AGES: Designed to cater to every dog, Bully Max 30/20 Dog Food is suitable for small and large breeds at any life stage. This tasty chicken blend dry dog food meets AFFCO standards for complete & balanced nutrition, making it a top choice for all breeds, including champion show dogs. It supports a healthy, vibrant lifestyle from playful puppies to active adults. Free from these common allergens: corn, wheat, soy, by-products & artificial additives.
- UNMATCHED BULLY MAX QUALITY: Made in the USA with globally sourced ingredients, Bully Max upholds exceptional manufacturing standards with a strict triple-check system for unmatched safety and quality, boasting zero recalls. Bully Max is dedicated to superior pet care, providing a spectrum of vet-approved, high-performance, wet dog food and dry dog foods, along with premium puppy & dog supplements, to guarantee top-quality canine nutrition for puppies and senior dogs.
$27.70
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.
$37.99
PET CARE Sciences Approx 90 Servings of Dog Weight Gainer - Weight Gain Supplements for Dogs - Canine and Dog Muscle Builder
- 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.
$35.47
SALE
−$3.01
Blue Buffalo Life Protection Formula Adult Dry Dog Food, Helps Build and Maintain Strong Muscles, Made with Natural Ingredients, Chicken & Brown Rice Recipe, 5-lb. Bag
- REAL CHICKEN FIRST: Blue Buffalo's premium dog food features high quality deboned chicken as the primary ingredient; brown rice, cranberries and vegetables for a balanced diet; and high quality protein that promotes strong muscles
- HIGH QUALITY NATURAL FOOD: BLUE's natural dry dog food is made with premium ingredients and contains no chicken or poultry by-products, corn, wheat or soy
- THE PERFECT BALANCE OF FLAVOR AND NUTRITION: Formulated with essential proteins and carbs for energy needs and Omega-3 & 6 fatty acids to promote healthy skin and coat
- CONTAINS IMMUNITY-BOOSTING LIFESOURCE BITS: LifeSource Bits contain a precise blend of antioxidants, vitamins and minerals to support immune system health, life stage needs and a healthy oxidative balance
- Contains: One (1) 34-lb. bag of BLUE Life Protection Formula Natural Chicken and Brown Rice Flavor
$14.98
Bully Max Dog Weight Gainer Soft Chews for Puppies and Adults - High Calorie Dog Food Performance Supplement for Healthy Weight Gain, Immunity & Digestion - 75 Chews for All Breeds & Ages - 300g Pack
- EFFECTIVE SOLUTION FOR HEALTHY WEIGHT GAIN: Bully Max Weight Gainer Dog Chews are an effective and natural solution for healthy weight gain in dogs. Each bag offers a substantial 1,500 calories, providing your canine with the essential nutrition they need for optimal health and vitality. These high-calorie supplements are perfect for dogs needing to gain weight, including puppies and senior dogs.
- PROBIOTICS FOR DIGESTIVE & IMMUNE SUPPORT: Packed with 250 million CFUs of probiotics per bag, Bully Max Weight Gain Dog Chews promote better digestion and strengthen the immune system. Suitable for all dog life stages, these nutrient-packed chews provide comprehensive support for your pet's health. This dog weight gain supplement is ideal for all life stages, from young puppies to adult dogs, enhancing their overall health and wellbeing.
- VERSATILE AS A TASTY DOG FOOD TOPPER OR TREAT: Bully Max Weight Gainer Power Chews provide a convenient and delicious way to support weight gain and energy. Ideal for dogs of all ages and breeds, these bacon-flavored chews can be given as a treat or easily crushed and used as a food topper. Perfect for walks, hikes, or play sessions, they’re packed with high calories, making them an excellent supplement for dogs needing an extra boost of energy and nutrition.
- PURE & WHOLESOME INGREDIENTS: Bully Max Power Chews, made with high-quality natural ingredients and enriched with essential vitamins, minerals, and nutrients, are ideal for dog and puppy weight gain. These dog chews for gaining weight are free from added sugar, gluten, wheat, artificial flavors, animal by-products, glycol, and glycerine, ensuring a natural, balanced diet. These chews support healthy weight gain without harmful additives, providing nutrition and delicious taste in every bite.
- PREMIUM QUALITY & VET-APPROVED EXCELLENCE: Made in the USA with globally sourced ingredients, our Bully Max Dog Chews meet the highest quality standards. Every product from Bully Max undergoes rigorous vet approval, backed by our commitment to zero recalls. Bully Max is dedicated to high-quality pet care, providing vet-approved, high performance wet dog food and dry dog foods, along with premium puppy & dog supplements, to guarantee top-quality canine nutrition for puppies and senior dogs.
$29.95
Bully Max Pro 2X High Calorie & High Protein Dry Dog Food for Puppy & Adult Dogs - Healthy Weight Gain & Muscle Building for Small & Large Breeds - Slow-Cooked, 600 Calories/Cup, Chicken Flavor, 4lb.
- ULTIMATE HIGH-CALORIE DOG FOOD: Discover the power of Bully Max 31/25 Pro Series 2X High Calorie Dog Food. Packed with a remarkable 600 calories per cup, this premium dog food leads the pack in calorie density. Its robust formula contains 31% protein and 25% fat, enriched with heart-healthy flaxseed and 19 essential vitamins & minerals, making it not only the most calorie-dense but possibly the most nutritious performance dog food available.
- MAXIMIZED CALORIE DENSITY FOR HEALTHY WEIGHT GAIN: Bully Max Pro 2X Calorie Dog Food's unparalleled high-calorie formula allows you to feed your dog up to 60% less than other brands. A single bag thus offers double the longevity, delivering exceptional value. This dry puppy dog food is ideal for performance dogs & also perfect as a healthy weight gainer for dogs needing to bulk up. It offers an optimal blend of high-quality nutrients for substantial weight gain and robust health.
- ENHANCED DIGESTION & SUPERIOR NUTRIENT ABSORPTION: Bully Max Pro 2X Calorie Dog Food ensures easy digestion and optimal nutrient uptake. Formulated with natural ingredients, this calorie-rich food efficiently delivers essential proteins and nutrients, avoiding overeating discomfort. Ideal for dogs of all sizes and breeds, it promotes a healthy, energetic lifestyle with its carefully balanced nutrition, making it an excellent choice for maintaining your dog's overall well-being.
- SUITABLE FOR ALL BREEDS: Bully Max 2X Calorie Dog Food kibble is ideal for all breeds, offering a delicious chicken flavor. Formulated with premium proteins and high-quality ingredients, this kibble is free from cheap fillers, soy, corn, and artificial flavors. Perfect for dogs from 4 weeks, including pregnant or nursing ones, it's naturally enhanced with essential vitamins and minerals, providing a balanced diet for every canine stage.
- PREMIUM QUALITY, ZERO RECALLS: Made in the USA with globally sourced ingredients, our Bully Max Pro 2X Dry Dog Food meets the highest quality standards. Every product from Bully Max undergoes rigorous vet approval, backed by our commitment to zero recalls. Bully Max is dedicated to high-quality pet care, providing vet-approved, high performance wet dog food and dry dog foods, along with premium puppy & dog supplements, to guarantee top-quality canine nutrition for puppies and senior dogs.
$34.97
PetAg Dyne High Calorie Liquid Nutritional Supplement for Dogs & Puppies 8 Weeks and Older - 16 oz - Supports Performance and Endurance - Sweet Vanilla Flavor
- HIGH-CALORIE SUPPLEMENT FOR DOGS & PUPPIES 8 WEEKS AND OLDER - Dyne is a powerful nutritional supplement that provides additional calories to support dogs in all life stages: active, pregnant, lactating, underweight, and senior.
- POWERFUL NUTRITION - This high-calorie, low-volume formula supports performance and endurance for working and active dogs; and provides pregnant/lactating dogs with important nutrients.
- DENSE FORM OF ENERGY - The concentrated calories in Dyne don’t limit stomach capacity for a dog’s normal diet.
- DIRECTIONS - Shake well prior to feeding. Can be fed directly or poured over food. With high fat and a sweet vanilla flavor, Dyne is highly palatable.
- ABOUT US - PetAg offers solutions to enrich the lives of animals & their caregivers. From nutritional supplements to grooming products, all our products are science-backed, formulated with high-quality ingredients, and supported by quality control.
$19.94
Vetoquinol Nutri-Cal 4.25 Oz - High Calorie Supplement for Cats and Dogs
- Nutritional gel for pets who need extra calories and vitamins; also for growing puppies and kittens
- Appetite stimulant, calorie booster, weight gainer for finicky or aging pets or pets refusing food
- Nutri-Cal for dogs and cats also acts as an extra energy source; benefits hunting and working dogs
- High-calorie pet supplement; contains omega-3 and omega-6 essential fatty acids and multivitamins
- Palatable, simple to administer, easily-digested gel; accessible calories support a healthy appetite
$16.99
ROGUE PET SCIENCE Healthy Weight Gainer for Dogs - High Calorie Tasty Food Topper for Dogs & Cats - Supports Weight Gain, Gut Health & Digestion - Provides Natural Energy (1/2 lb)
- MUSCLE MASS GAIN & SIZE: Healthy Weight is for all breeds of dogs and cats. It works great for skinny, underweight pets and high-performance cats and dogs needing more calories or muscle mass. Perfect for our furry friends who are picky eaters!
- WEIGHT-GAIN GUARANTEE: Our formula consists of high quality whole-food ingredients from animal fat and protein like whole egg, whole sprouted barley, organic sweet potato, and organic carrot fiber. Helps gain strength, size and more energy!
- HIGH PROTEIN CALORIE BOOSTER: Total-body wellness begins with a healthy gut. Our high-calorie nutritional food topper includes vitamin A, D3 and E, prebiotics, probiotics, and enzymes to help improve your pet's digestive system and overall health.
- 100% REAL FOOD MADE IN THE USA: To support your dog’s health, we use only the highest-quality ingredients, like organic sweet potato, which is sourced in the USA. All of our health and nutrition products are proudly made in Texas!
- SCIENCE-TO-SHELF PET NUTRITION: At Rogue Pet Science, we feel obligated to produce the healthiest, most cost effective pet supplements available. We use science and data to develop innovative products that address nutrition, health, and performance.
$15.95
Under the Weather Pet | Ready Cal for Dogs 100cc | High Calorie Supplement | Weight Gainer and High Calorie Booster | 10 Vitamins, 7 Minerals & Omega Fatty Acids
- HELPS WITH WEIGHT GAIN - This gel supplement is FILLED with healthy substances to help your dog gain weight if they aren’t eating properly!
- FOR WHEN YOUR DOG ISN’T GETTING PROPER NUTRITION - This supplement is generally recommended to help keep your dog well during times where it might not be eating or if it is underweight
- MEASURED TUBING - The tube is measured to ensure that you’re able to give your dog the proper dosage it requires
- PACKED WITH VITAMINS - Ready Cal is packed with vitamins and minerals which are all essential for giving your dog the proper nutrients it needs to keep it healthy
$21.99
Last update on 2025-05-01 / Affiliate links / Images from Amazon Product Advertising API