Top 5 Dog Foods for Healthy Weight Gain: Review

Does your beloved dog seem too skinny, no matter how much you feed them? Many devoted pet owners face the same worry. Watching your energetic companion stay underweight can feel frustrating. You want them to be healthy and strong, but picking the perfect food to help them gain weight feels like a guessing game.

The dog food aisle overflows with choices. Some bags promise muscle, others boast extra calories, and frankly, it’s hard to know what actually works. You might be tired of trying different foods that don’t deliver the results you hope for. Finding a formula that is both nutritious and appealing to a picky eater can be a real challenge.

This guide cuts through the confusion. We will show you exactly what ingredients to look for and which types of food are best suited for healthy weight gain. By the end of this post, you will feel confident picking a food that supports your dog’s goals.

Let’s dive in and discover the best dog food to help your furry friend pack on those healthy pounds!

Top Dog Food To Gain Weight Recommendations

Bestseller No. 1

Bully Max Dog Weight Gainer Soft Chews for Puppies and Adults - High Calorie Dog Food Performance Supplements for Healthy Weight Gain, Immunity & Digestive Health - 75 Chews for All Breeds & Ages

EFFECTIVE SOLUTION FOR HEALTHY WEIGHT GAIN: Bully Max Weight Gainer Dog Chews provide a natural and effective way to support healthy weight gain in dogs. Each bag delivers 1,500 calories, ensuring your pitbull, bulldog, or any breed gets the essential nutrition for optimal health and vitality. These high-calorie supplements are ideal for underweight dogs, including growing puppies and senior dogs, helping them build muscle and maintain energy levels.
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.

SaleBestseller No. 2

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 is a trusted leader in pet wellness, with science-backed formulas in our milk replacers, health supplements, and grooming products helping pet owners to proactively enhance the lives of their pets, for more healthy years together.

Bestseller No. 3

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) 5-lbs bag of BLUE Life Protection Formula Natural Chicken and Brown Rice Flavor

SaleBestseller No. 4

Bully Max Dry Dog Food for Adults & Puppies - 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.

Bestseller No. 5

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. 6

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. 7

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

HIGH CALORIE WEIGHT GAINER FOR DOGS – All-natural liquid dog weight gainer designed to support healthy weight gain, mass, and recovery for dogs of all breeds and ages. Perfect high calorie supplement for dogs that need extra calories.
ALL-NATURAL INGREDIENTS & PURE OILS – Made with salmon oil, coconut/MCT oil, avocado oil, flaxseed oil, and olive oil. This dog weight gain supplement contains no fillers, harmful chemicals, or artificial flavoring.
SUPPORTS COAT, JOINT & MUSCLE HEALTH – Rich in essential omega fatty acids and nutrients, this dog supplement helps maintain joint health, muscle development, and a shiny coat while providing calorie-dense nutrition.
TASTES LIKE A TREAT, WORKS LIKE A SUPPLEMENT – Flavor-packed liquid dog food enhancer with a savory taste dogs love, making it easy to mix with meals. Ideal as a dog food additive and liquid dog food calorie booster.
PROUDLY MADE IN THE USA – Premium quality high calorie dog supplement manufactured with natural ingredients to provide safe and effective weight gain for dogs. Convenient serving sizes tailored for small to large breeds.

Bestseller No. 8

Purina ONE Plus Healthy Weight High-Protein Dog Food Dry Formula - 31.1 lb. Bag

Weight control dog food made with high-quality protein sources, including real turkey as the number 1 ingredient, to promote strong muscles including a healthy heart
Four antioxidant sources in this wholesome dog food for immune support for dogs, and natural glucosamine sources support dog joint health
Deliciously crunchy dog kibble and tender meaty morsels combine for a taste and texture dogs love and work with added calcium for a premium dog food that supports strong teeth and healthy gums
Purina ONE Plus Healthy Weight High-Protein Formula dog food features omega-6 fatty acids, vitamins and minerals to support a shiny, healthy skin and coat for dogs
Adult dog food is crafted in Purina-owned U.S. facilities and supplies 100 percent complete and balanced nutrition for adult dogs with 0 percent fillers, meaning every ingredient has a purpose

The Ultimate Buying Guide for Dog Food to Gain Weight

Is your dog too skinny? Maybe they are a picky eater, or perhaps they have a high metabolism. Whatever the reason, getting your dog to a healthy weight is important. Choosing the right food makes a big difference. This guide helps you pick the best high-calorie dog food for healthy weight gain.

Key Features to Look For

When you shop for weight-gain food, look for specific things on the label. These features help your dog build muscle and healthy fat.

High Calorie Density

The food must pack a lot of energy into a small serving. This is the most important feature.
Look for foods with higher calories per cup than standard dog food.

High Protein Content

Protein helps build strong muscles, not just fat.
Aim for foods where meat (like chicken, beef, or fish) is listed as the first ingredient.

Healthy Fats Included

Fats are a dense source of calories. They are essential for weight gain.
Look for added healthy fats like chicken fat, fish oil, or flaxseed.

Important Ingredients and Materials

What goes into the food truly matters for your dog’s health.

Quality Protein Sources

Good sources include named meats: Chicken, Lamb, Salmon, or Eggs. Avoid vague terms like “meat by-products.”

Complex Carbohydrates

These give sustained energy. Good carbs include brown rice, sweet potatoes, or barley. They fuel active dogs who need extra calories.

Essential Supplements

Look for added vitamins and minerals. Omega-3 and Omega-6 fatty acids are great for skin and coat health while your dog gains weight.

Factors That Improve or Reduce Quality

Not all weight-gain foods are created equal. Some ingredients boost quality; others just add cheap fillers.

What Improves Quality?

Whole, recognizable ingredients (like real vegetables and named meats).
The first five ingredients should mostly be high-quality proteins or complex carbs.
Natural preservatives (like Vitamin E) are better than artificial ones.

What Reduces Quality?

Excessive fillers like corn or wheat if they are the main ingredients. These offer little nutritional value for muscle building.
Artificial colors, flavors, or chemical preservatives (like BHA or BHT). These offer no benefit to weight gain.
Too much sugar. Sugar adds weight, but it is unhealthy fat, not lean muscle.

User Experience and Use Cases

How will this food fit into your daily life and your dog’s routine?

Picky Eaters

Many weight-gain formulas use richer flavors (like added gravy or higher fat content) which often appeal to fussy dogs.
The texture might be slightly different; some dogs prefer wet food toppers if they struggle with dry kibble.

Active or Working Dogs

If your dog runs all day (like a herding dog or a very active pet), they need these dense calories to maintain energy and gain muscle mass safely.
These foods prevent them from burning off all their calories too quickly.

Transitioning Food

Always mix the new food slowly with the old food over a week. This prevents stomach upset, which can stop a dog from eating and hinder weight gain.

Frequently Asked Questions (FAQ) About Dog Food to Gain Weight

Q: How quickly should my dog gain weight?

A: Your dog should gain weight slowly and steadily, usually about 1% to 2% of their body weight per week. Fast weight gain is often unhealthy fat.

Q: Can I just feed my dog more of their regular food?

A: You can try, but regular food might not have enough calories per cup. If you feed too much regular food, your dog might get a very full stomach and refuse to eat more.

Q: Are puppy foods good for weight gain in adult dogs?

A: Puppy foods are very high in calories and protein. They can work well for underweight adult dogs, but check with your vet first to make sure it is balanced for an adult.

Q: What is the main difference between weight gain food and regular food?

A: Weight gain food has more calories packed into every bite, usually from higher amounts of healthy fats and dense proteins.

Q: Do I need to feed wet or dry food for weight gain?

A: Dry kibble is usually easier to control for calorie count. However, wet food can encourage picky eaters to consume more due to its strong smell and taste.

Q: How do I know if the weight gain is healthy muscle or just fat?

A: Healthy gain comes from high-quality protein. If you feel your dog is gaining weight but becoming sluggish or overly soft, the gain might be unhealthy fat.

Q: Should I add supplements on top of the weight-gain food?

A: Usually no. A high-quality weight-gain food is formulated to be complete. Adding supplements can cause an overdose of certain vitamins. Always ask your veterinarian first.

Q: My dog won’t eat the new high-calorie food. What should I do?

A: Try warming the food slightly, or mix a tiny bit of low-sodium broth into it. Making it smell stronger can encourage them to eat the dense calories.

Q: How important is the brand name when choosing weight-gain food?

A: The brand name matters because reputable brands invest in quality control and testing. Look for brands recommended by veterinarians.

Q: Can I feed my dog table scraps to help them gain weight?

A: No. Table scraps are inconsistent and often unhealthy. They can cause digestive issues and do not provide balanced nutrition needed for healthy weight gain.