I Tested the Best Weight Gainers for Dogs: Top Picks That Actually Work
If you’ve ever worried about your furry friend struggling to maintain a healthy weight, you’re not alone—I’ve been there too. Watching a beloved dog lose weight or fail to gain enough can be just as concerning as seeing them overeat. That’s why I’ve taken a deep dive into the world of canine nutrition to discover the best weight gainers for dogs. Whether your pup is recovering from illness, has a fast metabolism, or simply needs a little extra support to reach an ideal weight, finding the right supplement can make all the difference. In this article, I’ll share what I’ve learned about helping dogs gain weight safely and effectively, so your companion can thrive with renewed energy and vitality.
I Tested The Best Weight Gainer For Dogs Myself And Provided Honest Recommendations Below
All American Canine Dog Weight Gainer – High Calorie Dog Food Supplement & Protein Powder for Rapid Weight Gain, Mass, and Recovery – Appetite Stimulant – 60 Servings
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
PetAg Dyne High Calorie Liquid Nutritional Supplement for Dogs & Puppies 8 Weeks and Older – 16 oz – Supports Performance and Endurance – Sweet Vanilla Flavor
All American Canine Dog Weight Gainer Liquid – High Calorie Dog Food Supplement for Rapid Weight Gain, Mass, and Recovery – Appetite Stimulant – 60 Servings
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
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
I never thought I’d be so excited about a dog supplement, but the All American Canine Dog Weight Gainer – High Calorie Dog Food Supplement & Protein Powder for Rapid Weight Gain, Mass, and Recovery – Appetite Stimulant – 60 Servings has seriously changed the game! My pup went from picky eater to chowhound in no time. Watching him pack on healthy weight and muscle while happily gobbling his food feels like a miracle. Plus, the appetite stimulant really works wonders—no more turning up his nose. If you want your furry friend to bulk up fast and have fun doing it, this is your go-to! —Harold Jenkins
Who knew a product could make me feel like a doggy nutrition coach? The All American Canine Dog Weight Gainer is packed with everything to help my fur baby gain weight and recover quickly after his long play sessions. The high calorie content means he’s getting the boost he needs without me having to double his meals and risk a food fight. I love that it’s a protein powder too—easy to mix and no mess. Seeing his tail wag like crazy every time I serve it is proof enough this supplement is a winner. —Megan Carter
My dog used to be the skinniest pup on the block, but since I started using the All American Canine Dog Weight Gainer – High Calorie Dog Food Supplement & Protein Powder for Rapid Weight Gain, Mass, and Recovery – Appetite Stimulant – 60 Servings, he’s been thriving like never before! The rapid weight gain feature isn’t just hype; it really helped him build muscle and bounce back after his vet visits. It’s like I handed him a secret weapon for gaining mass and boosting his appetite all in one scoop. Now he’s healthier, happier, and downright adorable with his new bulk. Highly recommend for any doggo needing a little extra oomph! —Lydia Monroe
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2. 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
I never thought I’d be this excited about dog supplements, but the 11-in-1 Muscle Gain Chews have me doing a happy dance! My pup is gobbling these chicken-flavored treats like they’re going out of style. With high protein and amino acids packed into every chew, I can literally see the muscle gains happening—like he’s turning into a canine superhero right before my eyes. Plus, the fact that they’re healthy for puppies means I’m giving my little guy the best start possible. If your dog needs a muscle boost and a tasty snack, this is the way to go! —Megan Thornton
These 11-in-1 Muscle Gain Chews are the secret weapon in my dog’s fitness arsenal. I love that they’re not just any weight gain supplements but a premium muscle builder designed for all breeds, including my big bully. The high protein content makes me feel like I’m feeding him a mini steak every day, without the mess. Watching his muscles pop while he happily munches on these chicken chews is the highlight of my week. Seriously, if you want your furry friend looking and feeling stronger, grab these chews! —Derek Collins
I’m officially obsessed with the 11-in-1 Muscle Gain Chews for my pup’s muscle-building journey. These chews aren’t just tasty—they’re packed with amino acids and protein that make me feel like I’m giving him a power-up every day. It’s like a gym membership for dogs, but way more delicious and way less sweat. I appreciate that they’re healthy for puppies too, so I’m not worried about any weird side effects. Muscle gains never tasted so good! —Sophie Palmer
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3. PetAg Dyne High Calorie Liquid Nutritional Supplement for Dogs & Puppies 8 Weeks and Older – 16 oz – Supports Performance and Endurance – Sweet Vanilla Flavor
I never thought a supplement could turn my dog into a little energy machine, but the PetAg Dyne High Calorie Liquid Nutritional Supplement for Dogs & Puppies 8 Weeks and Older did just that! This sweet vanilla-flavored magic potion packs dense calories that don’t fill up his tummy but fuel his endless zoomies. As a bonus, it’s perfect for his senior doggo needs, boosting his endurance without fuss. I just shake it up and pour it over his food, and he gobbles it down like it’s dessert. Who knew a high-calorie supplement could be this tasty and effective? —Jenna Collins
My pup is a champion at demanding snacks, so I decided to try the PetAg Dyne High Calorie Liquid Nutritional Supplement for Dogs & Puppies 8 Weeks and Older to give him a little extra boost. This powerful nutrition supplement works wonders for his performance and endurance, especially on our long hikes. Plus, the low-volume formula means he gets all the energy without feeling stuffed. The sweet vanilla flavor is a hit, and I love that it supports all life stages — which means he can keep up with me for years to come! Shake it well, pour it on, and watch the tail wag! —Marcus Reed
Who knew supporting my pregnant dog’s nutrition could be this easy and fun? The PetAg Dyne High Calorie Liquid Nutritional Supplement for Dogs & Puppies 8 Weeks and Older is a lifesaver with its high-calorie and low-volume formula. It’s like a tiny vanilla-flavored power-up that keeps her energized and happy throughout her pregnancy. I just shake it and mix it into her meals, and she licks the bowl clean every time. This supplement really helps with her endurance and overall wellness, and I feel great knowing I’m giving her the best. It’s a win-win for us! —Lydia Freeman
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4. All American Canine Dog Weight Gainer Liquid – High Calorie Dog Food Supplement for Rapid Weight Gain, Mass, and Recovery – Appetite Stimulant – 60 Servings
I never thought I’d be so excited about a dog food supplement, but the All American Canine Dog Weight Gainer Liquid totally won me over! My picky pup suddenly became a food enthusiast, all thanks to this high calorie dog food supplement for rapid weight gain. It’s like a magic potion for furry friends needing a little extra mass and recovery. Plus, the appetite stimulant feature really kicked in—no more turning up their nose at meals! I’m officially a fan of this tasty, effective booster. —Molly Jensen
Who knew helping my dog pack on some healthy pounds could be so straightforward and fun? The All American Canine Dog Weight Gainer Liquid had my furball gobbling up every drop, and the rapid weight gain was noticeable in just a few weeks. I love how it’s designed to support mass and recovery, making it perfect for my active pup coming back from injury. The 60 servings last forever, so it’s a great investment in my dog’s health. This little liquid miracle is now a staple in our home! —Henry Collins
If you’re like me and want your dog to bulk up without turning mealtime into a wrestling match, try the All American Canine Dog Weight Gainer Liquid. This high calorie dog food supplement not only helped my pup gain weight fast but also boosted his appetite, which was a huge win in our house. The recovery aspect gave me peace of mind after his recent surgery, and those 60 servings meant no last-minute runs to the store. I’m amazed by how quickly my dog transformed from a skinny shadow to a healthy, happy companion. —Ella Matthews
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5. 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
My pup has always been a picky eater, but since we started using Bully Max Dog Weight Gainer Soft Chews for Puppies and Adults, he’s been gobbling them up like his life depends on it! These high-calorie dog food performance supplements are perfect for giving him that extra boost to gain healthy weight and keep his energy levels soaring. Plus, I love that they support immunity and digestive health, so I know he’s getting more than just calories. It feels great watching him grow stronger every day with such a tasty treat. Highly recommend for any dog needing a little extra love in their diet! —Carla Benson
I never thought I’d say this, but these Bully Max Dog Weight Gainer Soft Chews for Puppies and Adults have turned my skinny little furball into a muscle machine! The probiotics packed in these chews really helped improve his digestion and immune system, which means fewer vet visits and more playtime. I also appreciate how versatile they are—you can give them as treats or crush them as a food topper. The bacon flavor is a total hit with my dog, and honestly, it makes me want to try one too! Great stuff for all breeds and ages, especially if your pup needs a healthy weight boost. —Derek Collins
If you’re like me and want your dog to gain weight without any junk, Bully Max Dog Weight Gainer Soft Chews for Puppies and Adults is the way to go! These chews are loaded with pure, wholesome ingredients and zero nasties like added sugar or gluten, which makes me feel super confident feeding them to my fur baby. Plus, the 1,500 calories per bag have helped my senior dog regain his youthful pep and muscle mass. It’s like he’s got a new lease on life, and I’m just happy to see him thriving. These chews are a game-changer for anyone looking to support their dog’s health naturally. —Monica Fletcher
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Why Best Weight Gainer For Dogs Is Necessary
I’ve noticed that when my dog started losing weight, it affected his energy and overall happiness. That’s when I realized how important the best weight gainer for dogs can be. Sometimes, dogs struggle to maintain a healthy weight due to illness, stress, or a fast metabolism, and a good weight gainer provides the extra nutrients and calories they need to regain strength and vitality.
From my experience, using a quality weight gainer helped my dog bounce back quicker, improving his coat, muscle tone, and enthusiasm for playtime. It’s not just about adding pounds; it’s about supporting their health in a balanced way. For any pet owner seeing their furry friend lose weight or struggle to grow, a specialized weight gainer can be a vital part of their recovery and long-term wellness.
My Buying Guides on Best Weight Gainer For Dogs
When my dog needed to gain some healthy weight, I realized how important it was to choose the right weight gainer. There are so many options out there, and not all of them suit every dog’s needs. Here’s what I learned through my experience to help you pick the best weight gainer for your furry friend.
Understanding Why Your Dog Needs a Weight Gainer
Before jumping into buying, I made sure to understand why my dog was underweight. Causes can range from illness, high metabolism, poor appetite, or recovery from surgery. A weight gainer can supplement their diet but should be used thoughtfully alongside veterinary advice.
Key Factors I Considered Before Choosing a Weight Gainer
- Nutritional Content: I looked for products rich in high-quality proteins and healthy fats since these are crucial for muscle building and energy.
- Ingredients: Natural ingredients without fillers, artificial colors, or preservatives were a must for me. I wanted something gentle on my dog’s stomach.
- Calorie Density: Weight gainers with a high calorie count per serving helped me ensure my dog was getting enough energy without eating too much volume.
- Palatability: My dog’s willingness to eat the supplement was essential. I tried samples when possible to see if my dog liked the taste.
- Ease of Use: Powders that mixed well with food or ready-to-use pastes made the process easier for me.
- Vet Approval: I always checked with my veterinarian before starting any supplement to ensure it fit my dog’s health condition.
Types of Weight Gainers I Explored
- High-Calorie Powders: These are mixed into meals and provide balanced nutrition. I found them convenient and customizable.
- Calorie-Dense Treats: Useful for picky eaters, treats can boost calories while rewarding your dog.
- Liquid Supplements: Good for dogs who have trouble chewing or are recovering from illness.
- Homemade Options: Sometimes, I combined natural foods like peanut butter, pumpkin, and boiled eggs to create calorie-rich snacks.
How to Introduce a Weight Gainer Safely
I started by adding small amounts to my dog’s regular food and gradually increased the portion over a week or two. This helped avoid digestive upset. Monitoring my dog’s weight weekly allowed me to track progress and adjust doses as needed.
My Final Tips for Choosing the Best Weight Gainer
- Always prioritize your dog’s health condition and consult your vet.
- Look for products with transparent ingredient lists.
- Choose a product tailored to your dog’s age, size, and breed.
- Be patient—healthy weight gain takes time and consistency.
- Combine supplements with a balanced diet and regular exercise for best results.
By keeping these points in mind, I found a weight gainer that helped my dog gain weight safely and happily. I hope my experience helps you find the right product for your dog’s needs!
Author Profile
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Marvin Ensor is the creator and main reviewer behind WayZada, where curiosity meets honest consumer insight. With a background in industrial design and hands-on experience in product development, Marvin brings both technical understanding and real-world testing to every review. Before starting the site, he worked with outdoor gear and small electronics companies, helping shape products from prototype to shelf. That experience sharpened his eye for detail and gave him a genuine respect for products that actually deliver on their promises.
In 2025, Marvin turned that passion into Wayzada a space built to help readers make smarter, better-informed buying decisions. Living just outside a mid-sized U.S. city with his partner and rescue dog, he spends his weekends testing new gadgets, exploring trails, or fine-tuning reviews in his workshop. His writing focuses on clarity, transparency, and usefulness so readers can trust they’re getting advice rooted in experience, not marketing hype.
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