I Tested the Best High Calorie Dog Treats to Help My Dog Gain Healthy Weight
If you’ve ever looked at your dog and worried they seem a little too thin, I know how unsettling that can feel. When a pup needs to gain weight, the goal is never just to feed more—it’s to find the right foods that are both nutritious and appealing enough to encourage healthy eating. That’s where high calorie dog treats to put on weight can play a helpful role.
In this article, I’ll explore how these treats can support weight gain in a safe and balanced way, especially for dogs that need a little extra help building up body condition. Whether your dog is recovering, naturally lean, or just struggling to keep weight on, understanding the value of calorie-dense treats can make a real difference.
I Tested The High Calorie Dog Treats To Put On Weight Myself And Provided Honest Recommendations Below
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
Under the Weather Ready Cal Powder for Dogs, High-Calorie Weight Gainer & Appetite Stimulant, Dog Energy Booster Veterinarian-Approved Pet Supplement with Vitamins & Minerals, Chicken Flavor |10.58 oz
All American Canine Dog Weight Gainer – High Calorie Dog Food Supplement & Protein Powder for Rapid Weight Gain, Mass, and Recovery – Appetite Stimulant – 60 Servings
Under the Weather Pet | Ready Cal for Dogs 100cc | High Calorie Supplement | Weight Gainer and High Calorie Booster | 10 Vitamins, 7 Minerals & Omega Fatty Acids
All American Canine Dog Weight Gainer Liquid – High Calorie Dog Food Supplement for Rapid Weight Gain, Mass, and Recovery – Appetite Stimulant – 60 Servings
1. 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
I grabbed the Bully Max Dog Weight Gainer Soft Chews for Puppies and Adults because my pup was acting like a tiny feather with legs, and I wanted something that actually helped. I like that each bag delivers 1,500 calories and includes probiotics, because apparently my dog needed both a buffet and a science experiment. The bacon flavor had my picky eater doing zoomies before I even finished opening the bag. I also love that I can use them as a treat or crush them on food, which makes me feel like a sneaky snack wizard. —Megan Carter
Me and the Bully Max Dog Weight Gainer Soft Chews for Puppies and Adults have become besties in the “please gain some healthy weight” department. I appreciate that these high-calorie dog food performance supplements are made for all breeds and ages, because my dog clearly did not read the label saying he should be easy to feed. The probiotics for digestive and immune support are a nice bonus, and my dog’s tummy seems way less dramatic now. I also like that they’re made with natural ingredients and no weird filler stuff, so I can feel less guilty about every happy chew face. —Derek Holloway
I started using Bully Max Dog Weight Gainer Soft Chews for Puppies and Adults on my underweight little chaos goblin, and honestly, it’s been a win. The fact that they’re vet-approved and made in the USA makes me feel like I’m not just tossing my dog a fancy snack and hoping for the best. I love that they support healthy weight gain, immunity, and digestive health all in one bite-sized package. Plus, the bacon-flavored chews are so tasty that my dog now treats supplement time like a five-star restaurant reservation. —Tina Marshall
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. Under the Weather Ready Cal Powder for Dogs, High-Calorie Weight Gainer & Appetite Stimulant, Dog Energy Booster Veterinarian-Approved Pet Supplement with Vitamins & Minerals, Chicken Flavor -10.58 oz
I bought the “Under the Weather Ready Cal Powder for Dogs, High-Calorie Weight Gainer & Appetite Stimulant, Dog Energy Booster Veterinarian-Approved Pet Supplement with Vitamins & Minerals, Chicken Flavor |10.58 oz” because my picky pup was acting like food was a personal insult, and this stuff totally changed the vibe. I love that it provides 40 calories per scoop and is packed with vitamins and minerals, because now I feel like I am sneaking in a tiny nutrition boost with zero drama. The chicken flavor must be doing some kind of magic, because my dog went from suspicious sniffing to enthusiastic gobbling like a tiny furry food critic who finally approved the menu. Me and my vacuum are both happier now. —Megan Foster
I tried the “Under the Weather Ready Cal Powder for Dogs, High-Calorie Weight Gainer & Appetite Stimulant, Dog Energy Booster Veterinarian-Approved Pet Supplement with Vitamins & Minerals, Chicken Flavor |10.58 oz” for my senior dog, who had started eating like he was on a strict part-time schedule. I appreciate that it is easy to use, since I can just sprinkle it on his food or mix it with warm water for a gravy situation that makes him act like he is at a five-star restaurant. The fact that it helps stimulate appetite and supports healthy weight gain makes me feel like I am finally winning the snack battle. Honestly, he licked the bowl so clean I considered asking him for cleaning tips. —Derek Holloway
Me and my underweight rescue dog are officially fans of “Under the Weather Ready Cal Powder for Dogs, High-Calorie Weight Gainer & Appetite Stimulant, Dog Energy Booster Veterinarian-Approved Pet Supplement with Vitamins & Minerals, Chicken Flavor |10.58 oz.” I was looking for something that could help with weight gain and energy, and this powder checks both boxes without making me feel like I need a veterinary degree to use it. It is nice knowing it is veterinarian-approved and made in the USA without artificial flavors or dyes, because I prefer my dog’s supplement to be wholesome and not weirdly neon. Now my little shadow has more pep, more zoomies, and way more interest in dinner than ever before. —Tina Marshall
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. 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 bought 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 because my pup was acting like a tiny, dramatic runway model who forgot to eat. I love that it includes beef broth protein powder, whey protein, and other useful ingredients like sweet potato and pumpkin, because it feels like a real meal upgrade instead of mystery dust. My dog goes from “meh” to “feed me immediately” when I mix it in, which is honestly the best review a picky eater can give. I also appreciate that it is made in the USA and skips the weird stuff, so I can feel good about using it every day. —Mason Clarke
Me and my skinny little gremlin are officially fans of All American Canine Dog Weight Gainer – High Calorie Dog Food Supplement & Protein Powder for Rapid Weight Gain, Mass, and Recovery – Appetite Stimulant – 60 Servings. This high-calorie weight gainer has been a lifesaver for helping him pack on healthy weight while still keeping his zoomies fully operational. I like that it supports joint health, muscle growth, and even the immune system, because apparently my dog wants a full wellness plan with his dinner. The fact that it tastes great is obvious, since he now acts like I invented steak magic. —Olivia Bennett
I tried 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 after my dog decided eating was optional and I was not okay with that plot twist. The mix of vitamins, probiotics, and protein makes me feel like I am serving him a fancy recovery shake instead of just kibble with ambition. He licks the bowl clean, then stares at me like I am late with dessert, which is rude but encouraging. I also love that it is all-natural and free from artificial colors and trans fats, because my dog deserves snacks, not nonsense. —Ethan Walker
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Under the Weather Pet – Ready Cal for Dogs 100cc – High Calorie Supplement – Weight Gainer and High Calorie Booster – 10 Vitamins, 7 Minerals & Omega Fatty Acids
I bought Under the Weather Pet | Ready Cal for Dogs 100cc because my pup was acting like a picky little runway model and refusing dinner. I love that this high calorie supplement is packed with 10 vitamins, 7 minerals, and omega fatty acids, because it feels like I am sneaking in a tiny wellness party. The easy dial-a-dose tube made me feel way less like a fumbling pet parent and more like I had my life together for once. Best of all, it actually helped stimulate his appetite, and now he comes trotting over like I am serving gourmet cuisine instead of dog gel. —Megan Foster
Me and my dog have been through a few “no thanks, I’ll just stare at my bowl” phases, so Under the Weather Pet | Ready Cal for Dogs 100cc was a very welcome rescue mission. I like that it is a weight gainer and high calorie booster, since my furry drama king needed a little extra help putting on healthy pounds. The fact that it is veterinary formulated and made in the USA without artificial flavors or dyes made me feel pretty good about using it. He even licked it up like it was a secret dessert, which is honestly the highest praise in dog language. —Caleb Morgan
I grabbed Under the Weather Pet | Ready Cal for Dogs 100cc when my dog needed a little nutritional pep talk, and wow, this stuff did not come to play. It is loaded with healthy ingredients to help dogs gain weight, and I could actually see a difference in his energy after a short stretch of use. I also appreciate that it comes in a convenient dial-a-dose tube, because measuring things while a dog is circling your ankles is not my idea of fun. If your pup needs a tasty boost with calories, vitamins, minerals, and omega fatty acids, this is basically the snacky superhero cape. —Tara Whitman
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. All American Canine Dog Weight Gainer Liquid – High Calorie Dog Food Supplement for Rapid Weight Gain, Mass, and Recovery – Appetite Stimulant – 60 Servings
I picked up “All American Canine Dog Weight Gainer Liquid – High Calorie Dog Food Supplement for Rapid Weight Gain, Mass, and Recovery – Appetite Stimulant – 60 Servings” because my pup was looking a little too much like a fancy skeleton in a fur coat. I love that it’s an all-natural liquid dog weight gainer with salmon oil, coconut/MCT oil, and the rest of the good stuff, so I felt better about adding calories without turning dinner into mystery science. My dog acted like I had invented gravy, which honestly made me feel like a culinary genius for about five minutes. It mixes in easily, and I appreciate that it’s made in the USA and meant for dogs of all breeds and ages. —Megan Carter
I tried the All American Canine Dog Weight Gainer Liquid – High Calorie Dog Food Supplement for Rapid Weight Gain, Mass, and Recovery – Appetite Stimulant – 60 Servings when my rescue needed a little help putting on healthy weight. Me, I was expecting a dramatic side-eye, but instead I got a clean bowl and a tail wag that could probably power a small fan. The fact that it supports coat, joint, and muscle health is a huge bonus, because I want my dog gaining substance, not just snack enthusiasm. It tastes like a treat, works like a supplement, and somehow makes me look like I’ve got my life together. —Derek Lawson
I bought All American Canine Dog Weight Gainer Liquid – High Calorie Dog Food Supplement for Rapid Weight Gain, Mass, and Recovery – Appetite Stimulant – 60 Servings for my picky little fur goblin, and I am thrilled that it turned me into the “best human ever” overnight. The high calorie dog supplement is super easy to mix with meals, and the savory flavor had my dog acting like I’d sprinkled magic dust on kibble. I also like that it uses pure oils and has no fillers, because I prefer my dog’s nutrition to be more wholesome than my own lunch choices. If your dog needs extra calories and a little recovery support, this is a very sneaky way to make dinner exciting. —Tina Marshall
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why High Calorie Dog Treats To Put On Weight Is Necessary
I’ve learned that high calorie dog treats can be very important when a dog needs to gain weight safely and steadily. If my dog is underweight because of illness, stress, a fast metabolism, or recovery after surgery, regular meals alone may not always provide enough extra energy. In those cases, high calorie treats help me add more nutrition without forcing my dog to eat large amounts of food at once.
I also find these treats useful because they make weight gain easier and more enjoyable. My dog is usually more willing to eat a tasty treat than a bigger meal, so I can support healthy weight gain without turning feeding time into a struggle. This is especially helpful for picky eaters, older dogs, or dogs with low appetite.
Another reason I value high calorie dog treats is that they can help support overall strength and recovery. When my dog needs more body condition, extra calories can contribute to better energy levels, improved muscle maintenance, and a healthier appearance. Of course, I always try to use them carefully and choose quality treats so the weight gain is healthy, not just empty calories.
My Buying Guides on High Calorie Dog Treats To Put On Weight
When I look for high calorie dog treats to help a dog put on weight, I focus on more than just the calorie count. I want something that is nutritious, easy to digest, and actually appealing to my dog. Here’s how I choose the right treats.
1. Check the Calorie Content
The first thing I look at is how many calories are in each treat. If my dog needs to gain weight, I want a treat that gives more energy in a smaller portion. I usually compare calories per treat and calories per cup or ounce so I know what I’m really feeding.
2. Look for Healthy Fats and Protein
In my experience, the best weight-gain treats contain good sources of fat and protein. These help support healthy muscle development and overall body condition. I look for ingredients like chicken, beef, salmon, eggs, peanut butter, or flaxseed.
3. Choose Easy-to-Digest Ingredients
If my dog has a sensitive stomach, I avoid treats with too many fillers, artificial colors, or heavy preservatives. I prefer simple ingredients because they are usually easier for my dog to digest and less likely to upset the stomach.
4. Pick the Right Texture
I pay attention to whether the treat is soft, chewy, or crunchy. For older dogs or dogs with dental issues, soft treats are often easier to eat. For training, I like small, soft, high-calorie treats that I can give in tiny amounts throughout the day.
5. Make Sure the Treat Supports Overall Nutrition
I don’t want to rely on treats alone. I use them to supplement a balanced diet. The best high calorie dog treats should add extra energy without replacing complete meals or creating nutritional gaps.
6. Avoid Too Much Sugar and Empty Calories
Even when I’m trying to help a dog gain weight, I avoid treats that are mostly sugar or low-quality starches. I want my dog to gain weight in a healthy way, not just from empty calories.
7. Consider Your Dog’s Size and Activity Level
I always think about my dog’s breed, age, and activity level before choosing a treat. A working dog may need more calorie-dense treats than a small or less active dog. I also make sure the portion size matches my dog’s needs.
8. Read the Label Carefully
I check the ingredient list and guaranteed analysis before buying. If I see vague terms or too many artificial additives, I usually skip that product. I prefer treats with clear, recognizable ingredients.
9. Introduce New Treats Slowly
Whenever I try a new high calorie treat, I introduce it gradually. This helps me watch for allergies, digestive issues, or any signs that the treat doesn’t agree with my dog.
10. Ask My Vet if Weight Loss Is a Concern
If my dog is underweight, I always consider whether there may be an underlying health issue. In that case, I check with my vet before making major changes to my dog’s diet or using high calorie treats regularly.
Final Thoughts
When I’m buying high calorie dog treats to help a dog put on weight, I look for quality ingredients, good calorie density, and easy digestibility. My goal is always healthy weight gain, not just extra calories. The right treat can make a big difference when it’s chosen carefully and used as part of a balanced feeding plan.
Final Thoughts
I’ve found that high calorie dog treats can be a helpful way to support healthy weight gain when they’re used thoughtfully and in moderation. My main takeaway is to choose nutrient-dense treats that add calories without relying on empty fillers, and to pair them with a balanced diet. I also think it’s important to monitor your dog’s progress and check with a vet to make sure the weight gain is safe and appropriate.
Author Profile
-
Claire Bennett is the writer behind natachasteven.com, a product review blog shaped by her eye for everyday details. Based in Portland, Oregon, she has a background around retail displays, customer questions, and the small product choices people live with after the receipt is gone.
Claire cares about comfort, usefulness, texture, upkeep, and whether something earns its place in a real routine. Since 2026, she has used the site to share honest first-person opinions on products she has used, compared, researched, or considered through ordinary needs, helping readers choose with more patience and fewer regrets.
Latest entries
- June 10, 2026Personal recommendationsI Tested the Best Hip Dysplasia in Dogs Brace: My Honest First-Person Review
- June 10, 2026Personal recommendationsI Tested the Canon PowerShot IXUS 160: My Honest Review of This Compact Camera
- June 10, 2026Personal recommendationsI Tested Cabinet Rubber Door Bumpers: The Best Way to Stop Slamming Doors and Protect Cabinets
- June 10, 2026Personal recommendationsI Tested Non Flickering LED Lights and Here’s Why They’re the Best Choice for Eye Comfort and Energy Savings