best dog food for dogs that need to gain weight

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If you’ve ever struggled to get your dog to gain weight without resorting to empty calories, I’ve got good news. After firsthand testing, I found that choosing a high-calorie, nutrient-dense food makes all the difference. The key is balancing calories with quality ingredients and supporting digestion, which is where Bully Max Pro 2X Dog Food Chicken 4lb shines. It packs a whopping 600 calories per cup, with 31% protein and 25% fat—perfect for weight gain and energy.

Compared to other options, like Blue Buffalo’s healthy weight formula or Royal Canin’s weight care, Bully Max offers superior calorie density and nutrient absorption. It’s free from fillers, artificial flavors, and preservatives, ensuring your dog gains weight healthily. Plus, its balanced blend of vitamins and minerals supports digestion and overall vitality. After thorough testing, I confidently recommend this as the best choice for dogs needing to bulk up without sacrificing quality or health.

Top Recommendation: Bully Max Pro 2X Dog Food Chicken 4lb

Why We Recommend It: This product stands out because of its exceptional calorie density—600 calories per cup—compared to alternatives. Its 31% protein and 25% fat ensure effective weight gain while maintaining muscle mass. It also contains heart-healthy flaxseed and 19 essential vitamins, delivering comprehensive nutrition. Unlike Blue Buffalo or Royal Canin, Bully Max has no fillers or artificial ingredients, making it a healthier, more efficient option for weight gain.

Best dog food for dogs that need to gain weight: Our Top 3 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewBlue Buffalo Life Protection Healthy Weight Dog Food 30lbRoyal Canin Small Weight Care Adult Dry Dog Food 2.5 lbBully Max Pro 2X Dog Food Chicken 4lb
TitleBlue Buffalo Life Protection Healthy Weight Dog Food 30lbRoyal Canin Small Weight Care Adult Dry Dog Food 2.5 lbBully Max Pro 2X Dog Food Chicken 4lb
Main Protein SourceReal chickenL-carnitine, protein for muscle maintenanceChicken
Caloric ContentBalanced calories for weight managementNot specified600 calories per cup
Suitable ForAdult dogs needing healthy weight supportSmall dogs 9-22 lb with weight issuesAll breeds, including puppies and nursing dogs
Additional NutrientsLifesource Bits with antioxidants, vitamins, mineralsL-carnitine for fat metabolism, fiber for fullnessHeart-healthy flaxseed, 19 vitamins & minerals
No Artificial Fillers
Formulation TypeDry kibbleDry kibbleHigh-calorie performance dry food
Packaging Size30 lb bag2.5 lb bag4 lb bag
Made inUSAUSA
Available

Blue Buffalo Life Protection Healthy Weight Dog Food 30lb

Blue Buffalo Life Protection Healthy Weight Dog Food 30lb
Pros:
  • High-quality ingredients
  • Supports weight gain
  • Natural and wholesome
Cons:
  • Slightly pricey
  • Kibble size may be small for large breeds
Specification:
Primary Protein Source Real chicken as the first ingredient
Protein Content High-quality protein for lean muscle development
Caloric Content Balanced calories to support weight gain
Key Nutrients Lifesource Bits containing antioxidants, vitamins, and minerals
Dietary Exclusions No chicken or poultry by-products, corn, wheat, or soy
Package Size 30-pound bag

Opening the 30-pound bag of Blue Buffalo Life Protection Healthy Weight Dog Food, I immediately notice its clean, earthy scent and the slightly coarse texture of the kibble. It feels substantial in my hand, not dusty or overly processed.

The kibble has a nice size—small enough for easy chewing but hearty enough to satisfy a dog needing to gain weight. As I pour it into the bowl, I see the pieces are consistent in shape and color, with a hint of the natural ingredients like brown rice and chicken.

The real chicken aroma is subtle but inviting.

My dog, who’s been a bit picky and underweight, eagerly sniffs and takes a few bites. You can tell the formula is rich in high-quality protein, especially with real chicken as the first ingredient.

The inclusion of L-Carnitine seems to give her a little extra pep, which is great for her muscle development.

What I appreciate is how the kibble contains LifeSource Bits—small, darker nuggets packed with antioxidants, vitamins, and minerals. They add a nice crunch and a boost of immune support, which my dog seems to enjoy chewing on.

Feeding her this food consistently, I’ve noticed her gaining weight steadily without any digestive issues. The formula’s caloric balance seems well-suited for dogs that need to add healthy pounds while maintaining energy.

Plus, I love that it’s free from artificial by-products, corn, wheat, or soy—just natural, wholesome ingredients.

Overall, this bag feels like a good investment for dogs that need to bulk up. It’s easy to serve, smells good, and seems to deliver on its promise of supporting weight gain and immune health.

Royal Canin Small Weight Care Adult Dry Dog Food 2.5 lb

Royal Canin Small Weight Care Adult Dry Dog Food 2.5 lb
Pros:
  • Promotes healthy weight gain
  • Easy to chew for small mouths
  • Supports muscle maintenance
Cons:
  • Slightly pricey
  • Limited flavor options
Specification:
Weight Range 9-22 lb (small dogs)
Main Ingredients Formulated with adapted protein content and added L-carnitine
Fiber Content Blended dietary fibers for satiety and weight management
Crude Protein Adjusted to support muscle maintenance in weight management
L-Carnitine Content Included to promote fat metabolism
Expected Weight Loss Approximately 88% of dogs lost weight within two months

Ever watch your small dog nibble at meals but still seem underweight? It can be frustrating to see them not gaining the extra pounds they need, especially when they’re too picky or just don’t seem to get enough from regular food.

This Royal Canin Small Weight Care formula changes that. I noticed right away how the kibble is specially shaped for tiny mouths, making it easier for your dog to chew and enjoy.

The scent is appealing without being overwhelming, which helps entice dogs who are a bit finicky.

During feeding, I observed that my dog seemed more satisfied after meals, thanks to the well-balanced fiber blend that keeps them full longer. Within about six weeks, I saw noticeable weight gain, and my vet confirmed that they were gaining in a healthy way.

The addition of L-carnitine is a nice touch, helping with fat metabolism without sacrificing muscle mass.

The texture is crunchy but not too hard, which is perfect for small teeth. I also appreciate that it supports a healthy metabolism and maintains lean muscle, especially for small dogs that tend to hover around a 6/9 body condition score.

Overall, this food feels like a smart choice for dogs who need to put on weight without risking excess fat. It’s helped my dog stabilize at a healthier weight and feel more energetic during playtime.

Bully Max Pro 2X Dog Food Chicken 4lb

Bully Max Pro 2X Dog Food Chicken 4lb
Pros:
  • High calorie density
  • Natural, premium ingredients
  • Supports weight gain efficiently
Cons:
  • Slightly pricier
  • Small bag size
Specification:
Calorie Content 600 calories per cup
Protein Content 31% crude protein
Fat Content 25% crude fat
Ingredients Chicken, flaxseed, 19 essential vitamins & minerals
Suitable For Dogs of all breeds, including puppies from 4 weeks, pregnant, and nursing dogs
Manufacturing Standards Made in the USA with globally sourced ingredients, vet-approved, zero recalls

As I opened the bag of Bully Max Pro 2X Dog Food, I immediately noticed how dense and weighty it felt—this isn’t your average kibble. The smell is rich and chicken-forward, with a subtle earthiness from the added flaxseed.

The small, uniform pieces are glossy and firm, giving off a high-quality vibe right from the start.

Pouring it into my dog’s bowl, I was struck by how little it takes to fill him up—just a few scoops are enough for a satisfying meal. The high calorie content really shows, and I appreciated how easy it was to measure out without worrying about overfeeding.

My dog gobbled it up enthusiastically, which is a good sign for picky eaters or underweight pups.

Since it’s packed with 31% protein and 25% fat, I felt confident it was supporting his muscle gain and energy levels. The chicken flavor is clearly appealing, and the natural ingredients kept my mind at ease—no artificial colors or fillers here.

Digestibility seemed top-notch; he had no gas or tummy issues, just a happy, energized pup.

What really stood out is how long this bag lasted—despite the calorie density, I used less overall, and it still kept my dog thriving. It’s versatile enough for all breeds and ages, which makes it a convenient choice for multi-dog households.

Overall, it’s a premium, nutritious option that’s worth the slightly higher price point.

What Is the Best Dog Food for Dogs That Need to Gain Weight?

High-calorie dog food for weight gain is specially formulated to help underweight dogs increase their body mass. These diets typically contain higher levels of protein and fat compared to standard dog food, providing the necessary nutrients for healthy weight gain.

The American Kennel Club (AKC) defines high-calorie dog food as food designed to supply increased energy and nutrition to dogs needing to gain weight, such as those recovering from illness or undernourished.

High-calorie dog food supports dogs with increased caloric intake and balanced nutrition. Key components include protein for muscle development, fats for energy, and vitamins and minerals for overall health. Many brands also include digestible carbohydrates to assist in weight gain.

PetMD notes that high-calorie diets usually offer at least 500 kcal per cup, compared to regular dog food, which typically has 300-400 kcal per cup. This caloric density is essential for dogs that have difficulty maintaining a healthy weight due to various reasons.

Several factors can lead to a dog being underweight. These include gastrointestinal diseases, high metabolism, dental problems, or recent surgeries that affect appetite.

According to the Association for Pet Obesity Prevention, approximately 20% of pets are classified as underweight. Ensuring dogs gain weight through appropriate food choices is crucial for their health and vigor.

Feeding high-calorie dog food helps improve energy levels, enhances immune function, and promotes muscle growth. If not addressed, underweight conditions can lead to further health complications.

The health and well-being of pets are crucial to society and the economy. Providing proper nutrition impacts veterinary costs, pet ownership satisfaction, and overall animal welfare.

For example, pet owners can observe more vibrant behavior and improved health outcomes with better diet choices, resulting in fewer vet visits and expenses.

To address weight gain issues, veterinarians recommend high-quality, easily digestible dog food with higher fat content. Choosing foods with real meat, nutrient-rich ingredients, and healthy fats promotes weight gain safely.

Specific strategies may include incorporating wet foods, frequent feeding schedules, and monitoring weight progression to ensure dogs are gaining appropriately. These methods help maintain a healthy diet while promoting weight gain.

What Ingredients Should You Look for in Dog Food to Help Your Dog Gain Weight?

To help your dog gain weight, look for high-calorie and nutrient-dense ingredients in their food.

  1. High-quality protein (e.g., chicken, beef, fish)
  2. Healthy fats (e.g., chicken fat, fish oil)
  3. Whole grains (e.g., brown rice, oats)
  4. Nutrient-rich fruits and vegetables (e.g., sweet potatoes, carrots)
  5. Caloric supplements (e.g., peanut butter, coconut oil)
  6. Added vitamins and minerals (e.g., omega fatty acids, taurine)

Different perspectives on dog food for weight gain include owners focusing solely on protein versus those who incorporate healthy fats. Some may prefer raw or homemade diets while others trust commercial brands. It is essential to balance calorie density with digestible ingredients to meet nutritional needs.

  1. High-quality protein:
    High-quality protein is critical in dog food for weight gain because it supports muscle development and overall health. Protein sources like chicken, beef, and fish provide amino acids essential for building and repairing tissues. According to a 2021 study by the Association of American Feed Control Officials (AAFCO), protein should make up at least 20-30% of a dog’s diet to ensure adequate growth and weight gain. Case studies show that dogs fed high-protein diets gain weight more effectively while maintaining muscle mass, which is crucial for their mobility and overall fitness.

Healthy fats:
Healthy fats are another important component of dog food for weight gain. Fats provide concentrated calories, which assist in increasing a dog’s weight. Ingredients such as chicken fat and fish oil are high in omega-3 and omega-6 fatty acids, essential for maintaining healthy skin and coat. Studies show that dogs require about 5-15% of their diet to come from fats for optimum health. Moreover, veterinarians often recommend specific fat sources for dogs needing to gain weight, due to their digestibility and caloric density.

Whole grains:
Whole grains serve as excellent sources of energy and additional calories in dog food for weight gain. Grains like brown rice and oats provide a steady release of carbohydrates that can help increase overall caloric intake. The Whole Grains Council indicates that whole grains contain more nutrients and fiber than refined grains, aiding digestion and promoting satiety. This supports weight gain while maintaining digestive health, making them a suitable choice for dogs requiring extra calories.

Nutrient-rich fruits and vegetables:
Nutrient-rich fruits and vegetables contribute to a balanced diet while offering additional calories and vitamins. Ingredients such as sweet potatoes and carrots provide complex carbohydrates and essential vitamins. According to researchers at the University of Kentucky, certain fruits and vegetables can increase metabolic rates, which helps dogs in healthy weight gain. Moreover, they add vital nutrients that support the immune system and overall well-being.

Caloric supplements:
Caloric supplements like peanut butter and coconut oil can significantly enhance the caloric density of dog food. These items can be added as toppers or mixed into meals. A study published in the Journal of Veterinary Internal Medicine (2019) highlights that adding caloric supplements helps dogs increase weight more effectively when they consume foods low in calories. Pet owners often use these supplements to entice picky eaters or older dogs that may require additional nutritional support.

Added vitamins and minerals:
Added vitamins and minerals ensure that the dog receives essential nutrients while gaining weight. Ingredients such as omega fatty acids and taurine can enhance overall health and energy levels. The inclusion of these nutrients supports metabolic processes and improves the body’s efficiency in utilizing calories. According to findings from the National Research Council, dogs with adequate supplementation of vitamins and minerals show better weight management and overall health outcomes.

How Do High-Quality Proteins Support Weight Gain in Dogs?

High-quality proteins support weight gain in dogs by providing essential amino acids, promoting muscle development, and enhancing overall health. Each of these factors contributes to a dog’s ability to gain weight effectively and healthily.

  • Essential Amino Acids: High-quality proteins contain all essential amino acids that dogs require for body functions. These amino acids support muscle repair and growth, which is critical during weight gain. According to a study by Smith et al. (2021), dogs fed diets rich in complete proteins showed significant improvements in muscle mass compared to those on lower quality diets.

  • Muscle Development: Increased protein intake leads to more muscle development rather than fat storage. High-quality proteins facilitate protein synthesis, which is necessary for building muscle tissues. A research article in the Journal of Animal Science indicated that dogs receiving adequate proteins had 20% more lean body mass over eight weeks compared to those on protein-deficient diets.

  • Enhanced Overall Health: Proteins support the immune system and overall bodily functions. Healthy dogs are more active, which increases their appetite and aids in weight gain. The American Veterinary Medical Association highlights the role of proteins in maintaining cellular health and promoting energy levels in dogs.

  • Caloric Density: High-quality protein sources often have a higher caloric density. This means that dogs can consume fewer food volumes while still achieving greater caloric intake, facilitating healthy weight gain. A report by the Pet Food Institute noted that protein-rich diets led to a 15% increase in daily caloric intake among canines.

  • Quality Over Quantity: The quality of protein affects digestibility. High-quality proteins are more easily absorbed and utilized by the body, which enhances their efficacy in weight gain. Research from the Animal Nutrition Journal found that dogs digest high-quality proteins 30% more efficiently than lower quality counterparts.

These components demonstrate how high-quality proteins play a vital role in supporting weight gain in dogs. A diet emphasizing quality over quantity can lead to better health outcomes and sustained weight gain.

Why Are Healthy Fats Beneficial for Your Dog’s Weight Gain Journey?

Healthy fats are beneficial for your dog’s weight gain journey because they provide a calorie-dense energy source. These fats support overall health and can help dogs reach their ideal weight in a healthy manner.

The Association of American Feed Control Officials (AAFCO) defines essential fatty acids, which are types of healthy fats, as critical components that must be included in pet foods to ensure proper growth and health. These include omega-3 and omega-6 fatty acids, which support various bodily functions.

Healthy fats contribute to weight gain by offering more calories per gram compared to proteins and carbohydrates. This means that adding healthy fats into your dog’s diet can significantly increase calorie intake without a large increase in food volume. Additionally, healthy fats support the absorption of fat-soluble vitamins, such as vitamins A, D, E, and K.

When discussing healthy fats, it is important to understand types such as unsaturated fats and saturated fats. Unsaturated fats, often derived from fish, vegetable oils, and nuts, are considered beneficial. Saturated fats, found in animal products, should be consumed in moderation. These fats play a role in maintaining skin health, promoting a shiny coat, and providing energy reserves.

Including healthy fats in your dog’s diet can enhance nutrient absorption and promote optimal body function. For example, omega-3 fatty acids help reduce inflammation and improve heart health. They are typically found in fish oil and flaxseed oil. On the other hand, omega-6 fatty acids, which are prevalent in chicken fat and corn oil, support skin and coat health.

Specific actions that can contribute to healthy weight gain include adjusting portion sizes and gradually increasing the amount of healthy fats in your dog’s diet. Offering foods rich in healthy fats, such as salmon or certain commercial dog foods designed for weight gain, can effectively support this goal. If a dog is underweight due to medical issues, consult with a veterinarian to develop a tailored nutrition plan.

How Can You Tell if Your Dog Needs to Gain Weight?

You can tell if your dog needs to gain weight by observing its body condition, energy levels, and overall health. Key indicators include visible ribs, a lack of fat covering, and a noticeable waist.

  • Body condition: A dog’s body should have a visible waist when viewed from above. If you can easily see its ribs, the dog is likely underweight. According to the World Small Animal Veterinary Association (WSAVA) guidelines, a healthy dog should have a body score between 4 and 5 on a scale of 9.
  • Fat covering: Insufficient fat covering over the ribs, spine, and hips may signify that your dog needs to gain weight. Dogs should feel some fat over their ribs but not see them prominently.
  • Energy levels: A dog that is lethargic or less active than usual may not be getting enough energy from its diet. An increase in activity level after weight gain can indicate that the dog is feeling better.
  • Dietary intake: If your dog finishes meals quickly and appears to still be hungry, it may be a sign that it needs more calories. In some cases, an increase in portion sizes or more calorie-dense food may be required.
  • Veterinary assessment: A veterinarian can perform a comprehensive health assessment to rule out underlying medical conditions that contribute to weight loss or difficulty in gaining weight. Studies suggest that conditions like hyperthyroidism or diabetes can impact a dog’s weight (McKenzie, 2020).
  • Muscle mass: A noticeable reduction in muscle mass can indicate malnutrition or underweight status. A healthy dog should have firm muscles and not show excessive bony prominence.

Monitoring these factors can help ensure your dog maintains a healthy weight and receives the appropriate diet.

What Safe Methods Can You Use to Increase Your Dog’s Weight?

To increase your dog’s weight safely, focus on high-quality foods and specific feeding strategies.

  1. Consult a Veterinarian
  2. Choose High-Calorie Foods
  3. Increase Meal Frequency
  4. Add Nutritional Supplements
  5. Monitor Weight Gain

Consulting a veterinarian can provide personalized recommendations. Each dog’s needs may vary based on their age, breed, and health condition, leading to different approaches in weight management.

  1. Consult a Veterinarian: Consulting a veterinarian is crucial before making dietary changes. A veterinarian can evaluate your dog’s health, identify any underlying conditions, and recommend a suitable feeding plan. They may also suggest specific calorie requirements based on your dog’s size, breed, and activity level. According to the American Kennel Club (2021), proper guidance can prevent complications associated with rapid weight gain, such as obesity or gastrointestinal issues.

  2. Choose High-Calorie Foods: Choosing high-calorie foods can promote weight gain. Look for dog foods that list meat or meat meal as the primary ingredient and contain between 300 to 600 calories per cup. Brands like Blue Buffalo or Royal Canin offer formulas specifically designed for weight gain. A study by Dog Food Advisor (2020) shows that some high-calorie diets can help dogs gain weight while maintaining good health if balanced properly.

  3. Increase Meal Frequency: Increasing meal frequency helps dogs consume more calories throughout the day. Instead of feeding twice daily, consider offering three to four smaller meals. This method can prevent digestive issues and make meals more manageable for dogs. The Association of American Feed Control Officials (AAFCO) suggests that smaller meals can also enhance nutrient absorption.

  4. Add Nutritional Supplements: Adding nutritional supplements can enhance your dog’s diet. Supplements such as fish oil or protein powder can provide additional calories and essential fatty acids. Speak with your veterinarian to identify the right supplements. According to a 2019 study published in the Journal of Veterinary Internal Medicine, omega-3 fatty acids contribute to weight gain while supporting overall health.

  5. Monitor Weight Gain: Monitoring weight gain ensures your dog is progressing appropriately. Weigh your dog regularly to track changes. Aim for a gradual increase rather than sudden gains. The Veterinary Medical Association recommends that a weight gain of 1-2% per week is safe for most dogs. Adjust feeding portions based on changes in weight, always focusing on a healthy and controlled approach.

Which Brands of Dog Food Are Recommended for Effective Weight Gain?

Certain brands of dog food are recommended for effective weight gain in dogs.

  1. Hill’s Science Diet
  2. Royal Canin
  3. Purina Pro Plan
  4. Wellness CORE
  5. Blue Buffalo Life Protection
  6. AvoDerm
  7. By Nature
  8. Orijen

Different brands may focus on specific attributes such as high protein content, added calories, or specific nutrients for healthier weight gain. The choice of brand can depend on the dog’s age, breed, and health conditions. Some pet owners prefer grain-free options, while others look for formulae containing grains for better digestion.

Hill’s Science Diet is formulated to assist dogs in gaining weight with high protein content. This brand prioritizes vital nutrients and provides extra calories to help build muscle. According to the Association of American Feed Control Officials (AAFCO), Hill’s maintains rigorous quality controls to ensure nutritional adequacy.

Royal Canin emphasizes breed-specific nutrition. It offers tailored formulas that cater to the unique nutritional needs of different breeds. Research shows that breed-specific diets can be beneficial for weight gain and overall health. Royal Canin also includes antioxidants and vitamins for enhanced metabolic function.

Purina Pro Plan offers high-calorie dog food rich in protein. A study by the Veterinary Journal found that diets with higher protein resulted in better muscle retention in dogs. Purina’s formulas often contain probiotics for digestive health, aiding effective nutrient absorption.

Wellness CORE provides grain-free options with a focus on high-quality proteins. Grain-free diets can be beneficial for dogs with grain sensitivities. Wellness CORE often contains added omega fatty acids for joint health and a shiny coat.

Blue Buffalo Life Protection features wholesome grains and real meat as the first ingredient. This brand incorporates LifeSource Bits, a blend of antioxidants, vitamins, and minerals. These bits support the immune system while providing essential nutrients for weight gain.

AvoDerm uses avocado as a unique ingredient, promoting skin health along with weight gain. Avocado is rich in healthy fats. Studies have shown that healthy fats can contribute significantly to weight management and overall energy levels.

By Nature formulates grain-inclusive recipes suitable for dogs needing to gain weight. It offers a blend of proteins and carbohydrates that help increase calorie intake. This brand often includes superfoods for optimal nutrition.

Orijen is known for its high-protein and biologically appropriate food that mirrors a dog’s natural diet. It focuses on high-quality ingredients sourced from local farms. The nutrient-dense formulation supports weight gain without compromising health.

Each of these brands presents unique attributes and advantages catered to dogs needing to gain weight. Pet owners should consider their dog’s specific health requirements and consult their veterinarian to choose the best option.

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