Top 5 Dog Foods For Weight Gain: A Quick Guide

Does your energetic dog look more like a beanpole than a healthy pup? Many loving pet owners face the challenge of helping their underweight companions gain healthy weight. It’s frustrating when you feed them regularly, but they just don’t seem to pack on the pounds. You worry about their energy levels and overall well-being.

Choosing the right food to help your dog gain weight can feel like a maze. Should you look for higher fat, or just more protein? Store shelves are packed with bags claiming to be “high-calorie,” leaving you confused about what truly works best for safe and steady weight gain. You need clear, reliable advice to stop the guesswork.

This post cuts through the confusion. We will break down exactly what ingredients to seek out and what types of food are most effective for putting healthy weight on your furry friend. By the end of this guide, you will know precisely which foods to buy to see positive changes in your dog’s physique. Let’s dive into the best dog foods for healthy weight gain.

Top Dog Food To Put On Weight Recommendations

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.
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
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.
No. 4
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.
No. 5
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
No. 6
Bully Max High Protein High Calorie Dog Food 30/20 Formula - 535 Cal/Cup for Muscle & Weight Gain - Small & Large Breeds & All Life Stages - No Corn Soy or Wheat, Made in USA, Chicken Flavor, 5 lb 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. 7
Vital Essentials Freeze Dried Dog Food Topper, Raw Beef Ground Topper for Dogs | Complete Meal or Topper | High Protein, Grain Free Dry Dog Food Mix-in | 6 oz Bag
  • Vital Essentials Freeze Dried Dog Food packs more quality protein in every bite than industry standard to deliver the peak vitality your dog deserves. Our dehydrated dog food is butcher cut, ultra-premium raw dog food that is high in protein. All of our raw dried dog food is responsibly sourced.
  • The Best Freeze Dried Dog Food on the market. Better Protein = Better Results: Butcher cut raw taps into the protein-rich natural ingredients of muscle, organs, and marrow to deliver more energetic playtimes, shinier coats, leaner muscles, and better overall health.
  • Proudly Made in the USA: We offer the largest variety of single ingredient dog foods and treats, relying on 13+ decades of experience to humanely source and harvest freeze dry dog food before processing.
  • Whole Animal Protein: We tap into the rich, natural nutrients of muscle and organs for high-quality protein from the whole animal—no dog food additives, fillers, dyes, flavorings, artificial preservatives, grains or rendered by-products.
  • Raw Dog Food Freeze Dried for Peak Freshness: Our protein is frozen within 45-minutes of harvesting to ensure peak nutrients, flavor, and freshness. A slow-freeze-dry process removes moisture to lock in vitamins without cooking.
No. 8
Purina ONE Plus Healthy Weight High-Protein Dog Food Dry Formula - 8 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

Choosing the Right Dog Food to Help Your Pup Pack on Pounds

It can be worrying when your dog seems too thin or struggles to gain weight. Choosing the right food is the first big step to helping them reach a healthy weight. This guide breaks down what you need to look for to make the best choice for your furry friend.

Key Features to Look For in Weight Gain Dog Food

When shopping for food to help your dog gain weight, you need formulas that pack a serious calorie punch. Don’t just look for more food; look for better, denser food.

High Calorie Density
  • Calorie Count: Check the label for calories per cup. Weight gain formulas should have significantly more calories than standard maintenance food.
  • Fat Content: Healthy fats are the easiest way for dogs to add weight safely. Look for formulas with higher fat percentages (often 18% or more for weight gain).
Protein Power
  • Muscle Building: Weight gain should mean healthy muscle, not just fat. Ensure the food has high-quality protein (like real meat as the first ingredient) to support muscle growth.
  • Digestibility: Even the best ingredients are useless if your dog cannot absorb them. Look for words like “highly digestible” or “prebiotics.”

Important Ingredients: What Should Be Inside?

The ingredients list tells the real story of the food quality. Focus on nutrient-dense items that provide sustained energy.

Top-Tier Ingredients
  • Named Meat Sources: Chicken, beef, lamb, or fish should be listed first. Avoid vague terms like “meat by-products.”
  • Healthy Carbohydrates: Ingredients like brown rice, oats, or sweet potatoes provide the energy needed for weight gain and activity.
  • Added Fats: Look for sources like chicken fat or fish oil (which also provides Omega fatty acids for skin and coat health).

Factors That Improve or Reduce Food Quality

Not all dog foods are created equal. Some ingredients boost the food’s effectiveness, while others can cause problems.

Quality Boosters
  • Vitamins and Minerals: A complete vitamin profile ensures your dog uses the extra calories efficiently for health, not just storage.
  • Probiotics: These live cultures help break down food, meaning your dog gets more nutrition from every bite.
Quality Reducers (Things to Avoid)
  • Excessive Fillers: Corn or wheat are often used to bulk up food cheaply. They offer low nutritional value, meaning your dog eats more but gains less weight.
  • Artificial Additives: Dyes, artificial preservatives (like BHA or BHT), and synthetic flavors do not contribute to healthy weight gain.

User Experience and Use Cases

How the food works in real life matters. Consider your dog’s specific situation when making a choice.

When to Use Weight Gain Food
  • Underweight Dogs: This food is ideal for dogs recovering from illness or those who naturally struggle to maintain weight.
  • Active/Working Dogs: High-energy dogs need these extra calories to keep up with their demanding lifestyles.
  • Appetite Improvement: Many high-calorie foods are also very palatable (tasty), encouraging picky eaters to clean their bowls.

Always remember to transition your dog slowly to a new food over about a week. Sudden changes can upset their stomach, which defeats the purpose of weight gain.


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

Q: How quickly should my dog gain weight on this food?

A: A healthy rate is usually slow and steady, about 1% to 2% of their body weight per week. Rapid gain is usually unhealthy fat.

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

A: You can try, but weight gain formulas are more calorie-dense. You feed less volume but get more energy, which is easier on a small stomach.

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

A: Puppy food has high calories for growth, but weight gain food focuses more on higher fat and balanced protein for adult muscle maintenance.

Q: Is it okay if my dog gets gassy on the new food?

A: Mild gas can happen during the transition. If it continues, the food might not be digestible enough for your dog, and you should consult your vet.

Q: Should I add supplements to weight gain food?

A: Generally, no. Quality weight gain food is formulated to be complete. Adding random supplements can lead to nutrient overload.

Q: How should I feed this food (how many times a day)?

A: Most underweight dogs benefit from three smaller meals a day instead of two large ones. This helps digestion and keeps energy levels consistent.

Q: What if my dog is underweight due to a medical issue?

A: Always talk to your veterinarian first. Low weight can signal underlying health problems that food alone cannot fix.

Q: Does the kibble size matter for weight gain?

A: Not directly for weight gain, but larger kibble can sometimes slow down fast eaters, making them chew more.

Q: What is the best protein source for weight gain?

A: Chicken, beef, and salmon are excellent choices because they are highly bioavailable, meaning the dog’s body easily uses the nutrients.

Q: How do I know if the food is working?

A: Track your dog’s weight weekly on a scale. You should also see them have more energy and a healthier, shinier coat.