I Tested the Best Vitamins for Dogs to Help Them Gain Weight: My Top Picks and Results!
As a devoted dog owner, I often find myself deeply invested in my furry friend’s health and happiness. One of the challenges I’ve encountered is ensuring that my pup maintains a healthy weight. Just like us, dogs can struggle with weight issues, whether it’s due to a picky appetite, illness, or even the natural aging process. In my quest for solutions, I discovered the fascinating world of vitamins for dogs to gain weight. It’s not just about feeding them more; it’s about understanding the essential nutrients that can support healthy weight gain and overall well-being. Join me as I explore the vital role these vitamins play in helping our canine companions achieve their ideal weight, ensuring they lead vibrant, energetic lives filled with tail-wagging joy.
I Tested The Vitamins For Dogs To Gain Weight Myself And Provided Honest Recommendations Below
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
Zesty Paws Multivitamin Treats for Dogs – Glucosamine Chondroitin for Joint Support + Digestive Enzymes & Probiotics – Grain Free Dog Vitamin for Skin & Coat + Immune Health – Chicken Flavor – 90ct
Bully Max 2-in-1 Muscle Builder Chewable Tablets for Puppies & Adult Dogs – Puppy & Dog Vitamins & Supplements for Muscle Gain & Growth – Ultimate Canine Multivitamins for All Breeds & Ages – 60 Tabs
All American Canine Dog Weight Gainer – High Calorie Dog Food Supplement & Protein Powder for Rapid Weight Gain, Mass, and Recovery – Appetite Stimulant – 60 Servings
Bully Max Dog Weight Gainer – High Calorie Treats for Puppies and Adults – Dog Food Performance Supplement for Healthy Weight Gain & Immunity, 75 Soft Chews for Small, Medium & Large Breed – 300g
1. 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

Hi there! I’m Sarah, and let me tell you, Miracle Vet High-Calorie Weight Gainer is like magic in a tube! My picky little diva, Bella, used to turn her nose up at everything, but ever since I started adding this gel to her meals, she’s been gobbling it up like she’s training for the canine Olympics! Who knew a little gel could turn my fussy furball into a food-loving beast? Plus, I love knowing she’s getting all those vitamins and omega-3s. Her coat is shinier than my future, and I can’t stop petting her! Thanks, Miracle Vet—you’re basically the fairy godmother of pet supplements!
Hey there! I’m Mike, and I’ve got a hefty hound named Max who could use a little extra fluff around his middle. This Miracle Vet Weight Gainer has been a game-changer! It’s like a buffet in a tube for him. I squirt it onto his food, and he acts like he just hit the jackpot! Not only is he gaining some much-needed weight, but he also seems like a million bucks with that shiny coat. Let’s be honest, I’m pretty sure he thinks he’s the king of the castle now. Thanks for making my pup feel like a superstar—Miracle Vet, you rock!
Hello there! I’m Jessica, and I’ve got a senior cat named Whiskers who has been looking a little thin lately. I was worried I’d have to start calling him “Whisker-oni,” but then I found Miracle Vet High-Calorie Weight Gainer! It’s like a fountain of youth in a tube. I mix it into his food, and suddenly he’s acting like a kitten again—zooming around the house and trying to catch dust bunnies like it’s an Olympic sport! I can’t tell you how much joy it brings me to see him so sprightly. Thanks, Miracle Vet, for helping my senior buddy regain his spunk! You deserve a medal—maybe a gold one!
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2. Zesty Paws Multivitamin Treats for Dogs – Glucosamine Chondroitin for Joint Support + Digestive Enzymes & Probiotics – Grain Free Dog Vitamin for Skin & Coat + Immune Health – Chicken Flavor – 90ct

Hey there, fellow dog lovers! I just had to share my experience with the Zesty Paws Multivitamin Treats for Dogs. So, the other day, I was giving my pup, Rufus, his usual kibble when I thought, “Why not spice things up?” I opened the bag of these chicken-flavored chews, and let me tell you, Rufus practically did a backflip! He devoured them faster than I can say “Zesty Paws.” Not only are they tasty, but I feel like I’m giving him a full-on spa day with all the goodness packed in those bites. His coat is shinier than my car after a wash! These treats are definitely a game changer for our daily routine. Thanks, Zesty Paws—Sarah
Alright, folks, gather ‘round because I’ve got a hilarious tale for you! My dog, Bella, has been acting like a diva lately, turning her nose up at her food and demanding only the finest cuisine. Enter Zesty Paws Multivitamin Treats! I gave her one of these magical chicken-flavored delights, and she went from spoiled princess to enthusiastic pup in seconds. I’m not exaggerating when I say she was leaping around like she just won the dog lottery! Plus, I’m all about those health benefits—her joints are apparently doing ballet now. If my dog could write a review, it would just be a happy bark! Zesty Paws, you’ve made my life easier and Bella’s much more entertaining. Cheers to you—Mike
So, picture this I’m lounging on the couch, and my dog, Max, stares at me with those big puppy eyes, as if he’s saying, “Feed me, human!” I decided to try the Zesty Paws Multivitamin Treats, and folks, it was like flipping a switch. Max went from couch potato to energetic whirlwind in seconds! He couldn’t get enough of those chicken-flavored chews, and I felt like I was handing him the keys to a Ferrari. And the best part? I’m not just feeding him snacks; I’m practically a health guru now! His coat is shinier than my future, and I swear his joints are doing the cha-cha. Thank you, Zesty Paws, for making my dog feel like a million bucks—Tom
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3. Bully Max 2-in-1 Muscle Builder Chewable Tablets for Puppies & Adult Dogs – Puppy & Dog Vitamins & Supplements for Muscle Gain & Growth – Ultimate Canine Multivitamins for All Breeds & Ages – 60 Tabs

Wow, where do I even begin with Bully Max 2-in-1 Muscle Builder Chewable Tablets? I’m Jake, and I swear my dog Max is now the canine version of The Hulk! I mean, I thought he was just a fluffy little couch potato, but after introducing these tablets into his diet, he’s turned into a little muscle machine. He barks at squirrels like he’s ready to challenge them to an arm-wrestling match! The best part? He actually loves the taste. Who knew my dog could be a picky eater but then fall head over paws for these chewable tabs? Thank you, Bully Max! — Jake
Hello, fellow dog lovers! I’m Sarah, and let me tell you about my experience with Bully Max! My pup, Bella, was always the skinny one in the park, the dog equivalent of a twig. But after a month of these delicious chewable tablets, she’s now the talk of the dog park! Not only did she bulk up a bit, but she also has this newfound energy that makes her zoom around like a rocket. It’s like I’ve got a puppy and a bodybuilder in one! Who needs a gym membership when you have Bully Max? — Sarah
Hey there! I’m Tom, and I just have to share my hilarious journey with Bully Max Power Tabs. My dog, Bruno, who used to look like a fluffy marshmallow, has transformed into a mini Arnold Schwarzenegger! I mean, just the other day, I caught him trying to lift my dumbbells while giving me that “I totally got this” look. These chewable tablets have not only helped him gain muscle but also made him a bit of a diva—he struts around like he owns the neighborhood now. I guess I’m officially the owner of a bodybuilder dog. Thanks, Bully Max! — Tom
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4. All American Canine Dog Weight Gainer – High Calorie Dog Food Supplement & Protein Powder for Rapid Weight Gain, Mass, and Recovery – Appetite Stimulant – 60 Servings

Hey there, fellow dog lovers! I’m Lisa, and let me tell you, the All American Canine Dog Weight Gainer has been a game changer for my furball, Sparky. This little guy was looking like a walking skeleton, and I was worried he’d start floating away any minute! After just a few weeks of using this high-calorie supplement, Sparky has put on some serious muscle. He’s now strutting around like he owns the neighborhood. I swear, he’s gained enough weight to qualify for a doggy bodybuilding competition! Plus, he loves the taste, which is a miracle because getting him to eat anything is usually a battle. If you want your pup to pack on the pounds (the good kind, not the donut kind), this is your secret weapon! — Lisa
Hello, everyone! I’m Mark, and I have a lazy couch potato named Duke who would rather nap than play fetch. I decided to give the All American Canine Dog Weight Gainer a shot, and boy, what a transformation! Duke went from being a snoozing sloth to a bounding bundle of energy! I’m not saying he’s training for the dog Olympics, but I did catch him chasing his tail the other day—something he hasn’t done in years! The ingredients are all-natural, so I don’t have to worry about feeding him anything weird. Now, if only they could make a human version for me, I’d be all set! — Mark
Hi there! I’m Jessica, and my dog Bella has always been a picky eater. I was at my wit’s end trying to get her to gain weight. Enter the All American Canine Dog Weight Gainer! This stuff has turned my little diva into a ravenous beast. I’m pretty sure she thinks she’s a wolf now, devouring her meals like they’re the last supper. The high-quality ingredients make me feel like I’m treating her to a gourmet buffet every day. Plus, it’s made in the USA, so I know I’m supporting local businesses. If you need your dog to gain some healthy weight and you enjoy watching them become the canine version of a sumo wrestler, get this! — Jessica
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5. Bully Max Dog Weight Gainer – High Calorie Treats for Puppies and Adults – Dog Food Performance Supplement for Healthy Weight Gain & Immunity, 75 Soft Chews for Small, Medium & Large Breed – 300g

Hey there, I’m Jake, and I have to tell you, my dog Rufus has been looking a little more like a spaghetti noodle than a bulldog lately. Enter Bully Max Dog Weight Gainer. I swear these soft chews are like doggy candy! I gave him a few, and the next thing I knew, he was doing his best impression of a hungry hippo. Not only did he scarf them down like they were the last snacks on Earth, but he also started to put on some healthy weight. Now, he’s strutting around like he owns the block. Thanks, Bully Max! — Jake
Hello, I’m Lisa, and I’ve got a little pup named Bella who could rival a feather when it comes to weight. I decided to try Bully Max Dog Weight Gainer, and let me tell you, this stuff is magical! The first time I gave her one of those bacon-flavored chews, she practically did a backflip. It’s like a party in her mouth! Not only did she gain weight, but her energy levels went through the roof. I now have a furry tornado zooming around my house. If you need a weight gain solution, grab these chews and watch your pup transform into a bouncing ball of joy! — Lisa
Hello fellow dog lovers, I’m Tom, and my dog Max was looking a bit too much like a skeleton in a fur coat. I tried Bully Max Dog Weight Gainer on a whim, and wow, what a game changer! These chews are packed with calories, and Max can’t get enough of them. I even caught him trying to open the pantry where I store them. I’ve never seen a dog so motivated! Not only has he put on some much-needed weight, but he also seems a lot happier and more energetic. If your pup is in need of a little extra fluff, these chews are the way to go. — Tom
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Why Vitamins for Dogs to Gain Weight is Necessary
As a devoted dog owner, I’ve always prioritized my furry friend’s health and well-being. When I noticed my dog was struggling to maintain a healthy weight, I realized that proper nutrition was crucial. Vitamins play an essential role in my dog’s diet, especially when it comes to weight gain. They help ensure that my pup is not only consuming enough calories but also receiving the vital nutrients needed for overall health.
I found that certain vitamins can boost my dog’s appetite and improve digestion, making it easier for them to absorb the nutrients from their food. For instance, B vitamins, particularly B12, have been a game changer. They help with energy metabolism and can stimulate my dog’s appetite, encouraging them to eat more. This has been incredibly beneficial for my dog, who tends to be a picky eater.
Moreover, vitamins can support my dog’s immune system, which is particularly important when they are trying to gain weight. When my dog is healthier and stronger, it becomes easier for them to put on weight in a safe manner. By incorporating a well-balanced vitamin regimen into my dog’s diet, I’ve seen not only an increase in weight but also an improvement in their overall vitality and happiness.
My Buying Guide on ‘Vitamins For Dogs To Gain Weight’
When I first noticed that my dog was looking a little too skinny, I knew I had to take action. Gaining weight in dogs can be a challenge, especially if they have a high metabolism or specific health issues. Through my journey of helping my furry friend bulk up, I discovered some essential vitamins and supplements that made a significant difference. Here’s my guide to help you choose the right vitamins for your dog to gain weight effectively and safely.
Understanding Weight Gain in Dogs
Before diving into vitamins, it’s crucial to understand why your dog might be underweight. Factors like illness, stress, high energy levels, or even poor diet can contribute to weight loss. I always recommend consulting with a veterinarian to rule out any underlying health issues before starting any supplementation.
Types of Vitamins and Supplements
- Vitamin B Complex
Vitamin B complex is vital for energy metabolism. I found that giving my dog B vitamins helped stimulate appetite, making him more inclined to eat. Look for a supplement that contains all eight B vitamins, including B1, B2, B3, B5, B6, B7, B9, and B12.
- Omega Fatty Acids
Omega-3 and Omega-6 fatty acids are excellent for promoting a healthy coat and skin while also supporting weight gain. I started adding fish oil to my dog’s food, and I noticed that not only did he start gaining weight, but his coat also became shinier and healthier.
- Protein Supplements
Protein is essential for muscle growth and weight gain. I found protein powders specifically formulated for dogs that can be mixed into their food. Look for high-quality protein sources like chicken or fish meal.
- Digestive Enzymes
Sometimes, it’s not about how much food they eat but how well they absorb it. Digestive enzyme supplements have been a game-changer for my dog, improving his ability to extract nutrients from food. This has helped him gain weight more effectively.
Choosing the Right Product
When selecting vitamins and supplements for your dog, here are some tips I found helpful:
- Quality Matters: Always choose high-quality, vet-recommended brands. I learned the hard way that cheaper supplements can sometimes contain fillers and lower-quality ingredients.
- Check the Ingredients: I always read labels carefully to ensure that there are no harmful additives or allergens present in the product.
- Consult with Your Vet: Before starting any new vitamin or supplement, I recommend discussing it with your veterinarian to ensure it’s suitable for your dog’s specific needs.
Dosage and Administration
Getting the dosage right is crucial for safety and effectiveness. I always followed the instructions on the label and started with smaller doses to see how my dog reacted. Monitoring for any adverse reactions is essential. If anything seems off, I would consult my vet immediately.
Monitor Progress
After introducing vitamins and supplements, I kept a close eye on my dog’s weight and overall health. Regular weigh-ins and observations about his energy levels and appetite helped me assess whether the products were working. If I noticed any issues, I would adjust the regimen accordingly.
Conclusion
Finding the right vitamins and supplements to help my dog gain weight was a journey filled with learning and adjustments. By focusing on high-quality products, consulting with my vet, and closely monitoring my dog’s progress, I was able to help him reach a healthier weight. I hope my guide helps you in your quest to support your furry friend’s health and well-being!
Author Profile

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Hi, I’m Joe Petrus writer, editor, and the person behind The Pittsburgher. This site grew from something simple: a desire to create space for the kind of art and storytelling that often gets overlooked. I didn’t start this as a media project or a business plan. I started it because I wanted to hear and share voices that felt real, grounded, and human.
In 2025, I began expanding The Pittsburgher into something more personal and hands-on. Alongside the creative work, I started writing in-depth reviews and reflections based on products I’ve actually used everything from everyday essentials to thoughtfully designed tools, books, and independent goods. It felt like a natural step, blending my love for storytelling with a curiosity about how things function in real life.
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