Is your dog struggling to put on weight? Maintaining a healthy weight is crucial for your dog’s wellbeing, but some pups can have a hard time gaining pounds, whether due to a high metabolism, illness, or just being a picky eater. In cases like these, weight gain supplements for dogs can be a great solution. These products are designed to boost your dog’s calorie intake and provide the nutrients needed to support healthy weight gain.
In this article, we’ll dive into the top 10 best weight gain supplements for dogs, giving you a clear overview of the products that can help your dog bulk up safely and effectively. We’ll cover what to look for in a supplement, key ingredients, and the dos and don’ts of adding these products to your dog’s diet.
What Are Weight Gain Supplements for Dogs?
Weight gain supplements for dogs are specially formulated products that provide extra calories, proteins, and essential nutrients to help dogs gain weight. These supplements typically come in the form of powders, gels, or high-calorie food products that you can easily add to your dog’s regular meals.
Common ingredients include:
- Proteins (like whey or beef)
- Fats (often from fish oils or chicken fat)
- Carbohydrates (like rice or oats)
- Vitamins and minerals to support overall health
These supplements are not just about packing on pounds but also improving muscle mass, energy levels, and the condition of their skin and coat.
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Signs Your Dog Needs Weight Gain Supplements
You might be wondering if your dog really needs a weight gain supplement. Here are some common signs that your dog might benefit from extra nutrition:
- Underweight or ribby appearance: You can see or easily feel your dog’s ribs.
- Lack of energy: Low energy or sluggishness could be a sign of insufficient caloric intake.
- Picky eating habits: Some dogs simply don’t eat enough on their own.
- Medical issues: Dogs recovering from surgery or illness may need additional nutrition to get back to a healthy weight.
Always consult your veterinarian before adding supplements to your dog’s diet, especially if your pet has underlying health conditions.
How to Choose the Best Weight Gain Supplement for Dogs
Not all weight gain supplements are created equal. Here’s what to consider when choosing the best one for your dog:
- Ingredient quality: Look for natural, high-quality ingredients like real meat proteins and healthy fats.
- Calories per serving: Ensure the supplement provides a significant calorie boost without being overly filling.
- Special dietary needs: If your dog has food allergies or sensitivities, choose a hypoallergenic formula.
- Form of supplement: Powdered, liquid, or gel — pick what works best for your dog’s preferences.
- Vet approval: Always run new supplements by your vet to ensure they’re safe for your dog.
Top 10 Best Weight Gain Supplements for Dogs: Detailed Reviews
1. Bully Max High Performance Super Dog Food

Bully Max is a high-performance dog food designed specifically to help dogs gain muscle and weight. This food is packed with protein (30%) and fat (20%), making it ideal for dogs that need to put on some extra pounds. It’s also great for active dogs who burn a lot of calories.
- Pros: High in protein, great for muscle building, suitable for all life stages
- Cons: Higher price point
- Customer reviews: Users love how quickly their dogs gain weight with this product, noting increased muscle mass and energy.
2. Miracle Vet Weight Gainer for Dogs

This high-calorie liquid supplement provides 150 calories per ounce, making it an excellent choice for dogs that need to gain weight fast. Miracle Vet is rich in omega fatty acids for skin and coat health, too.
- Pros: High in calories, easy to mix with food or water
- Cons: Some dogs may not like the taste
- Customer reviews: Many dog owners report fast results and significant weight gain within weeks.
3. Muscle Bully Protein Supplement

Perfect for bully breeds and other muscular dogs, Muscle Bully Protein Supplement helps dogs build lean muscle mass while gaining weight. It’s packed with high-quality proteins and amino acids.
- Pros: Great for muscle gain, easy to mix with food
- Cons: May not be suitable for less active dogs
- Customer reviews: Users love the improvement in their dogs’ physique, especially for pit bulls and bulldogs.
4. MVP K9 Formula Mass Weight Gainer

This powdered supplement adds 50 calories per scoop to your dog’s diet, focusing on building muscle and weight gain. It’s ideal for underweight dogs or those recovering from illness.
- Pros: Supports muscle growth, easy to use
- Cons: May cause stomach upset in sensitive dogs
- Customer reviews: Dog owners praise the product for helping skinny dogs gain weight quickly.
5. PetAg Dyne High-Calorie Liquid for Dogs

PetAg Dyne is a calorie-rich liquid supplement that’s great for dogs who need to gain weight or have high energy requirements. It’s often used for nursing mothers, puppies, and working dogs.
- Pros: High-calorie content, versatile usage
- Cons: Some dogs may find the taste too sweet
- Customer reviews: Pet owners report excellent results in a short time, especially for pregnant and nursing dogs.
6. PET CARE Sciences Dog Weight Gainer

PET CARE Sciences Dog Weight Gainer is a high-calorie, protein-rich supplement designed to help dogs gain weight and build muscle. Made in the USA, this product provides essential nutrients and proteins that support healthy weight gain, improved muscle mass, and overall well-being for dogs that may be underweight, highly active, or recovering from illness. The supplement is suitable for all breeds and life stages, offering a convenient way to enhance your dog’s diet with extra calories and protein.
- Pros: High in calories and protein, easy to mix with food, made with natural ingredients, suitable for all dog breeds and life stages.
- Cons: Some dogs may not like the taste, not suitable for all dietary needs.
- Customer reviews: Generally positive, with many seeing weight gain and muscle improvement, though some dogs were picky about the taste.
7. Fifth & Fido Dog Weight Gainer – Weight Gain Dog Food

Fifth & Fido Dog Weight Gainer is a high-calorie supplement designed to help dogs, including puppies, gain weight and build muscle. It’s formulated as a protein powder to boost calorie intake for underweight dogs, as well as to support muscle growth in active or recovering dogs.
- Pros: High in calories and protein, supports muscle growth and recovery, suitable for all ages, including puppies.
- Cons: Some dogs may dislike the taste, results may vary.
- Customer reviews: Generally positive, with most seeing weight and muscle improvements, though some dogs were picky about the taste.
8. MYOS Canine Muscle Formula – All-Natural Muscle Building Supplement

MYOS Canine Muscle Formula is an all-natural supplement designed to help dogs build and maintain muscle mass. It’s particularly beneficial for aging dogs, helping to reduce muscle loss associated with aging, and aids in recovery from injuries or surgery. The formula is made from a single, natural ingredient: fertilized egg yolk, which is rich in nutrients that support muscle health.
- Pros: All-natural, single-ingredient, supports muscle maintenance and recovery, clinically tested.
- Cons: Higher price, slower results for some dogs, not suitable for dogs with egg allergies.
- Customer reviews: Generally positive, with users seeing improvements in muscle strength and recovery, though some note slow results and a higher cost.
9. Buddy & Lola Dog Weight Gainer – Dog Supplement for Weight Gain

Buddy & Lola Dog Weight Gainer is a high-calorie protein supplement designed to help dogs of all breeds, including Bully breeds, gain weight and build muscle. This protein powder can be easily mixed into your dog’s regular food, promoting healthy muscle development and providing extra calories for underweight or active dogs. Made in the USA, it is formulated to support overall health and weight gain in a natural way.
- Pros: Effective for weight gain and muscle building, easy to use as a food topper., suitable for all breeds, including Bully breeds, Made in the USA.
- Cons: Some dogs may not like the taste, results vary depending on the dog.
- Customer reviews: Generally positive, with users seeing weight gain and muscle growth, though some dogs were picky about the taste.
10. Kilab Dog Weight Gainer – 60-Count Muscle Builder Dog Supplement

Kilab Dog Weight Gainer is a 60-count muscle-building supplement formulated for dogs and puppies, especially those involved in competitions or those needing additional muscle growth and weight gain. It contains key ingredients like turmeric, glucosamine, and green-lipped mussels, which help promote muscle development, joint health, and overall recovery in dogs.
- Pros: Supports muscle growth and joint health, contains beneficial ingredients like turmeric and glucosamine, suitable for both puppies and adult dogs, easy-to-digest chewable tablets.
- Cons: Some dogs may dislike the taste, results may take time for certain dogs.
- Customer reviews: Mostly positive, with users noticing improvements in muscle mass and energy, though some experienced slower results or taste issues.
How to Use Weight Gain Supplements Safely
To get the most out of these supplements, it’s crucial to follow dosage guidelines and avoid overfeeding. Always start with the recommended serving and gradually increase it if necessary. Remember that supplements should be used in conjunction with a balanced diet.
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Common Mistakes When Using Weight Gain Supplements for Dogs
A common mistake is relying solely on the supplement for weight gain. Supplements work best when paired with a nutritious, high-calorie diet. Additionally, overfeeding can lead to obesity or digestive issues, so it’s important to monitor your dog’s weight regularly.
Can Puppies Use Weight Gain Supplements?
While most weight gain supplements are designed for adult dogs, some products are safe for puppies, especially those recovering from illness or that have trouble maintaining weight. Always check the product label or consult your vet before giving your puppy any new supplement.
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Conclusion
Helping your dog achieve and maintain a healthy weight can be a challenge, but with the right weight gain supplements for dogs, it’s entirely achievable. From high-protein powders to calorie-rich gels, there’s a wide range of products designed to meet your dog’s specific needs. Always remember to consult your vet before introducing any new supplement to ensure it’s the right fit for your furry friend.
FAQs
- What are the side effects of weight gain supplements for dogs?
- Potential side effects include digestive upset, diarrhea, or allergic reactions to certain ingredients. Always start with a small dose and monitor your dog closely.
- Can senior dogs benefit from weight gain supplements?
- Yes, senior dogs often lose weight due to decreased muscle mass or health conditions. Supplements can help them maintain a healthy weight, but always consult a vet first.
- How long does it take to see results from weight gain supplements?
- Results vary, but many pet owners notice weight gain within 2-4 weeks of consistent use.
- Are weight gain supplements safe for dogs with food allergies?
- Some supplements are formulated for dogs with allergies. Look for hypoallergenic options or those with limited ingredients to avoid triggering allergies.
- Can I give my dog human weight gain products?
- No, human weight gain products are not formulated for dogs and may contain ingredients harmful to pets. Always use dog-specific supplements.