Top 5 Dog Foods to Help Your Dog Gain Weight Now

Does your beloved dog look more like a twig than a sturdy companion? Watching a healthy, happy dog struggle to put on weight can be truly worrying for any pet owner. You feed them, you play with them, but the pounds just refuse to stick! It’s frustrating when you see other dogs thriving, while yours remains stubbornly thin.

Navigating the world of high-calorie dog food is confusing. Should you look for more fat? More protein? Or special ingredients? Store shelves are packed with bags promising weight gain, but many fall short or contain fillers that don’t truly help your dog thrive. You want the best, safest way to help your furry friend reach a healthy weight without causing stomach upset.

This guide cuts through the confusion. We will show you exactly what ingredients matter most and how to pick a food that delivers real results for healthy weight gain. Keep reading to discover the top strategies and food picks that will finally help your dog build muscle and look its best.

Top Dog Food For Dogs 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.

Bestseller No. 2

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

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 - Chicken

💪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!

SaleBestseller No. 5

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. 6

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. 7

Miracle Vet Dog Weight Gainer Chews for Energy & Mass - High Calorie Dog Food Supplement - Appetite Stimulant & Healthy Weight Gain Supplements for Dogs - 60 Soft Dog Treats for Puppies and Adults

Helps dogs gain weight and adds extra energy - 1,500 calories. Our high-calorie weight gain supplement is perfect for adult dogs and puppies of all breeds and sizes. Whether you have a senior dog needing a boost in energy, or a puppy requiring extra nutrients for growth, our dog supplement is the ideal solution. Improve your pet's overall health and well-being with this natural, effective dog weight gain treat
Appetite stimulant for picky eaters - Our supplement supports digestion and ensure your dog gets the necessary nutrients for weight gain and overall health. The supplement supports metabolism and encourages your pet to eat more and get more out of its nutrition.
Probiotics for gut health - 250 million CFUs are beneficial bacteria that support your dog's digestive system, enhancing nutrient absorption and overall gut health, reduced bloating, and firmer stools. A healthy gut can boost your dog’s immune system, helping them fight off infections and allergies more effectively.
Supports during pregnancy, recovery from illness & injury - Miracle Vet dog weight gain and recovery supplement provides essential nutrients to support prenatal health or aid in recovery from illness and injury. The included probiotics help support digestion, ensuring your pet gets the most out of every meal.
For dogs of all ages - High Calorie Formula for senior dogs needing weight gain, recover or maintain weight and puppies requiring extra energy, this supplement supports overall health and recovery for all ages.

Bestseller No. 8

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

HELPS DOG GAIN WEIGHT: All American Canine chews helps dogs to gain healthy weight fast. Our chew 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.
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, glycerin, artificial colors, or trans fats.
Made in USA. Manufactured in United States of America.

The Ultimate Buying Guide: Fueling Your Dog’s Healthy Weight Gain

Is your dog too skinny? Maybe they are recovering from an illness or just a picky eater. Gaining weight the right way means choosing the best food. This guide helps you find the perfect high-calorie dog food to help your furry friend bulk up safely.

Key Features to Look For in Weight Gain Dog Food

When you shop for food to help your dog gain weight, certain features matter most. You need food that packs a punch without filling them up with junk.

High Calorie Density: Look for foods that list more calories per cup (kcal/cup). This means your dog gets more energy in smaller meals.
High Protein Content: Protein builds muscle, not just fat. Aim for a high percentage of quality animal-based protein sources like chicken, beef, or fish.
Healthy Fats: Fats are the easiest way to add calories. Healthy fats, like those from chicken fat or fish oil, provide necessary energy and support a shiny coat.
Palatability: If your dog won’t eat it, it won’t work! Weight gain food must taste great to encourage consistent eating.

Important Ingredients and Materials

The ingredients list tells the real story. Focus on quality sources for the best results.

Top-Tier Protein Sources

Good weight gain foods start with real meat. Check that the first few ingredients are named meats (e.g., “Deboned Lamb,” “Chicken Meal”). Avoid vague terms like “meat by-products.”

Quality Carbohydrates for Energy

Carbs provide quick energy. Choose complex, digestible sources like brown rice, sweet potatoes, or oats. These release energy slowly, supporting an active dog.

Essential Fatty Acids

Omega-3 and Omega-6 fatty acids are vital. Fish oils (like salmon oil) are excellent additions. They support joint health, which is important as your dog gains weight.

Factors That Improve or Reduce Food Quality

Not all high-calorie foods are created equal. Quality matters for safe, sustainable weight gain.

What Improves Quality:

Natural Preservatives: Foods preserved naturally with Vitamin E (tocopherols) are better than those using artificial chemicals.
Added Vitamins and Minerals: A complete vitamin profile ensures your dog gains weight healthily, not just becoming fat.
Digestibility: Ingredients that are easy for your dog to digest mean more nutrients are absorbed.

What Reduces Quality:

Excessive Fillers: Corn, wheat, or soy used as the main ingredient often provide empty calories. They fill the stomach without adding much nutritional value.
Artificial Colors and Flavors: These are unnecessary and sometimes linked to health issues.
Low Meat Inclusion: If the primary ingredient is a grain, the food might not support lean muscle gain effectively.

User Experience and Use Cases

How do dog owners use this specialized food, and what results do they see?

Owners typically use weight gain food for dogs who:

Are recovering from surgery or illness where they lost significant weight.
Are naturally fast metabolizers (often seen in very active breeds like Terriers or Greyhounds).
Are picky eaters and need highly enticing, calorie-dense meals.

A good user experience means the food is easy to transition to and causes no stomach upset. Owners report seeing noticeable, healthy weight gain within four to six weeks when feeding according to the recommended guidelines.

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

Q: How quickly should my dog gain weight?

A: A healthy rate is usually about 1% to 2% of their current body weight per week. Talk to your vet to set a safe goal.

Q: Can I just add table scraps to my dog’s regular food?

A: No. Adding table scraps often creates an unbalanced diet. Specialized weight gain food is formulated to provide all necessary nutrients.

Q: Is weight gain food just for puppies?

A: No. While puppies need calories for growth, adult and senior dogs also need specialized food if they struggle to maintain weight.

Q: What if my dog eats the food but still doesn’t gain weight?

A: First, check the feeding amount; you might need to feed slightly more than the bag suggests. If that fails, consult your veterinarian to rule out underlying medical issues.

Q: How do I switch my dog to the new food?

A: Switch slowly over seven to ten days. Mix a small amount of the new food with the old food, gradually increasing the ratio of new food each day.

Q: Does high-calorie mean low quality?

A: Not necessarily. High-quality weight gain food achieves high calories through healthy fats and dense protein, not just cheap fillers.

Q: Should I feed larger portions or feed more often?

A: Often, feeding slightly larger meals, or splitting the total daily amount into three smaller meals instead of two, works best for dogs who get full easily.

Q: Are there specific ingredients I must avoid?

A: Avoid foods with too much wheat or corn if your dog shows sensitivity. Too much low-quality filler can cause digestive issues.

Q: How long should I feed the weight gain formula?

A: Feed it until your dog reaches their ideal target weight. Then, slowly transition them back to a maintenance food.

Q: Does this food make dogs hyperactive?

A: If the food is high in quality fats and protein, it provides energy. However, if the calories come from excessive sugar or poor carbs, it might cause jitters.