Does your beloved dog seem too skinny, no matter how much you feed them? Watching a beloved pet struggle to maintain a healthy weight can be truly worrisome for any owner. You want your dog to be strong and energetic, but sometimes those ribs show a little too much, or they just don’t seem to fill out like other dogs.
Finding the right dog food to help them gain weight safely can feel like navigating a maze. You see bags promising “high calorie” or “bulking power,” but how do you know which ingredients actually work? Many owners get frustrated trying different brands, spending money, and still seeing little change. It’s tough to balance adding healthy weight with ensuring your dog gets all the necessary nutrients, not just empty calories.
This guide cuts through the confusion. We will show you exactly what key ingredients to look for on the label and explain simple feeding strategies that promote healthy muscle and weight gain. By the end of this article, you will feel confident choosing a food that supports your dog’s journey to a healthier size.
Top Dog Food To Gain Weight Recommendations
No. 1
Bully Max Dry Dog Food for Adults & Puppies - High Protein & Fat for Muscle & Weight Gain - High Performance Dog Food Supplements - Small & Large Breed Dogs (530 Calories Per Cup), Beef, 15lb Bag
- OPTIMAL MUSCLE & WEIGHT GAIN: Bully Max 30/20 High Protein Beef Dry Dog Food delivers 30% protein, 20% fat, and 530 calories per cup to support muscle growth, healthy weight gain, and lasting energy. Ideal for active, working, and underweight dogs, its calorie-dense formula helps reduce serving sizes while powering performance for small and large breed dogs.
- PREMIUM BEEF + SUPERFOODS FOR TOTAL HEALTH: Powered by beef for muscle support, plus kelp for joint health, flaxseed for skin and coat, and a nutrient-rich blend of carrots, spinach, and blueberries to help boost immunity. Added probiotics and inulin prebiotics support healthy digestion and gut balance. This high protein formula delivers well-rounded nutrition for strength and vitality. Quality checked for freshness to avoid odor or spoilage.
- 530 CALORIES PER CUP: One of the most calorie-rich high protein dog foods available. Supports healthy weight, growth, and daily performance for large breed puppies and adults. Its rich beef flavor, aroma, and texture appeal to picky eaters. Crafted with premium natural ingredients for efficient, nutrient-dense feeding that helps maintain lean muscle and strong energy.
- 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 beef-flavored 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.
No. 2
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.
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
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.
No. 5
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.
No. 6
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 - Beef
- 💪11-IN-1 CHEWS TO BOOST MUSCLE & STRENGTH: Packed with premium protein and essential amino acids like L-Arginine, L-Glutamine, L-Leucine, L-Isoleucine, and L-Valine to support healthy muscle growth and repair for a stronger, more athletic dog.
- 📈HEALTHY WEIGHT GAIN FORMULA: Calorie-dense chews provide the extra nutrition needed for lean mass and healthy weight gain, loaded with a bunch of natural and organic ingredients such as Tumeric root powder, Ashwagandha and Wild Alaskan Salmon oil. They are perfect for underweight or active dogs.
- 🐾SUSTAINED ENERGY & VITALITY: Formulated with Astaxanthin, Vitamin C and Glucosamine HCL to provide long-lasting energy, these delicious chews help fuel your dog's daily activities and promote overall vitality.
- 🐕🦺VET-APPROVED & ALL-BREED FRIENDLY: Designed with veterinarian input and suitable for puppies, adult dogs, and all breeds to help them thrive.
- 🐶IRRESISTIBLY TASTY TREAT: Your dog will love the delicious flavor, making these chews an easy and enjoyable way to supplement their diet for optimal health and gains!
No. 7
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.
No. 8
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.
The Ultimate Buying Guide: Helping Your Dog Pack on Healthy Pounds
Is your dog too skinny? Maybe they are recovering from an illness, or perhaps they are just a naturally fast-metabolizing breed. Whatever the reason, choosing the right food to help your dog gain healthy weight is important. This guide will walk you through what to look for so you can make the best choice for your furry friend.
Key Features to Look For in Weight Gain Dog Food
When you shop for weight gain food, you need certain things in the bag. These features help ensure your dog gets the right kind of energy and nutrients to build muscle and healthy fat, not just empty calories.
- High Calorie Density: Look for foods that pack more calories into every cup. This means your dog eats less food but still gets the energy they need.
- High Protein Content: Protein helps build strong muscles. Good weight gain foods have a high percentage of quality protein sources listed as the first ingredient.
- Healthy Fats: Fats are essential for energy and healthy skin. You want fats from good sources like chicken fat or fish oil, not low-quality fillers.
- Digestibility: The food must be easy for your dog to digest. If the food passes right through them, they won’t absorb the needed nutrients.
Important Ingredients: What Makes Good Food Great
The ingredients list tells the whole story. Always check the first five ingredients closely.
Top-Tier Protein Sources:
- Real meat like Chicken, Beef, Salmon, or Lamb should be number one.
- Eggs are also excellent, easily digestible protein sources.
Quality Carbohydrates and Fats:
- Choose complex carbohydrates like brown rice, sweet potatoes, or oats. These release energy slowly.
- Healthy fats include Omega-3 and Omega-6 fatty acids, often found in flaxseed or fish oils. These support overall health while adding calories.
Factors That Improve or Reduce Food Quality
Not all weight gain foods are created equal. Some ingredients boost quality, while others signal a lower-quality product.
Quality Boosters:
- Natural Preservatives: Foods preserved with Vitamin E (mixed tocopherols) are better than those using artificial chemicals.
- Added Vitamins and Minerals: Look for added supplements like Glucosamine for joint support, especially since gaining weight can put extra stress on joints.
Quality Reducers (Ingredients to Avoid or Limit):
- Corn, Wheat, and Soy as primary ingredients: These are often used as cheap fillers. They provide calories but lack the dense nutrition of meat or whole grains.
- Artificial Colors and Flavors: These do nothing for your dog’s nutrition and should be skipped.
User Experience and Use Cases
How a food works in real life matters a lot. You need a food that your dog actually enjoys eating and that fits your feeding routine.
When to Use Weight Gain Food:
- Recovery: If your vet suggests it after a surgery or long illness, this specialized food helps rebuild lost weight quickly.
- High-Activity Dogs: Working dogs, sporting dogs, or very active puppies need extra calories to maintain a healthy body condition.
- Pick-Eaters (Selective Eaters): Some high-calorie formulas are made extra palatable (tasty) to encourage dogs who refuse to eat enough of their regular food.
Most owners report that their dogs find these richer formulas very appealing. Pay attention to how quickly your dog eats it and if they clean their bowl. If they leave food behind, the palatability might be an issue.
10 Frequently Asked Questions (FAQ) About Dog Food to Gain Weight
Q: How fast should my dog gain weight?
A: Your dog should gain weight slowly and steadily, usually about 1-2% of their current body weight per week. Rapid weight gain is usually unhealthy fat, not muscle.
Q: Can I just feed my dog more of their regular food?
A: You can try, but if your dog doesn’t eat much more, they might not get enough nutrients. Weight gain foods are calorie-dense, meaning they offer more nutrition in a smaller serving size.
Q: Is weight gain food the same as puppy food?
A: No. While puppy food is high in calories, it is specially balanced for growth. Weight gain food is designed for adult maintenance at a higher caloric level. Always follow your veterinarian’s advice.
Q: What is the most important ingredient to look for?
A: High-quality, named meat protein (like “Chicken” or “Salmon”) should be the first ingredient listed.
Q: Will this food make my dog hyperactive?
A: Not necessarily. If the food uses healthy fats and complex carbs for energy, it should provide sustained energy, not hyperactivity. Too much sugar can cause a spike, but good formulas avoid that.
Q: How do I transition my dog to the new food?
A: Always mix the new food slowly with the old food over 7 to 10 days. Start with 25% new food and gradually increase the amount each day. This prevents stomach upset.
Q: What is “calorie density”?
A: Calorie density means how many calories are packed into one cup or one ounce of food. Weight gain food has a higher density so your dog doesn’t have to eat huge amounts.
Q: Can older dogs use this food?
A: Yes, older dogs who struggle to maintain weight due to aging or illness often benefit from calorie-dense food, provided it has joint support ingredients.
Q: What if my dog has a sensitive stomach?
A: Look for weight gain formulas labeled “limited ingredient” or those containing probiotics to help digestion. Slow introduction is extra important for sensitive dogs.
Q: How often should I feed a dog trying to gain weight?
A: Most experts recommend splitting the total daily amount into two or three smaller meals throughout the day rather than one large feeding.