High-calorie dog food helps dogs gain weight by providing more calories in smaller portions. Choose a complete and balanced formula with a clear calorie count that matches your dog's age and health needs. Consult your veterinarian to rule out medical causes of weight loss, then increase portions gradually and monitor your dog's progress.
High calorie dog foods are nutrient-dense formulas designed for your dogās life stage, with real meat as the first ingredient, plenty of fat and protein, and a clear calorie count on the label. Switch gradually over 7-10 days, and rule out medical causes with your vet first, since illness often explains weight loss in dogs.
| Veterinary Disclaimer: This article is for informational purposes only and does not constitute veterinary advice. Always consult a licensed veterinarian before changing your pet's diet, starting supplements, or treating health conditions. |
Is Your Dog Actually Underweight?
Your dog is likely underweight if you can easily see or feel ribs, spine, and hip bones with little to no fat covering. Veterinarians use a 9-point body condition score, and an ideal dog sits at 4 or 5, according to the WSAVA. Scores of 1-3 signal an underweight dog.
A hands-on check takes under a minute. Run your palms along your dogās ribcage: healthy ribs feel like the back of your hand, present but padded. Sharp ridges, more like knuckles on a clenched fist, point to too little body fat. Check from above, too, since a deeply hollow waist is another warning sign.
| KWIK TIP: Book a vet visit before changing food, because weight loss often has a medical cause like intestinal parasites, dental pain, digestive disease, and diabetes. |
What Makes Dog Food High-Calorie?
Dog food counts as high calorie when it packs more usable energy into every cup or kilogram. Four label factors to look for:
- Elevated Fat Levels: Standard dog foods usually contain around 8% to 15% fat, while high-calorie formulas go higher, such as 20% fat.
- Nutrient-Dense Proteins: Formulas built heavily around whole animal meats, fish, and eggs provide concentrated calories alongside essential amino acids.
- High Digestibility and Low Volume: High-calorie recovery or growth foods use highly digestible ingredients that let dogs absorb more energy with less stool output and smaller portion sizes.
- Lower Moisture and Fewer Fillers: Dry, air-dried, and freeze-dried foods contain very little water, so more of every kilogram is usable energy.
8 Best High-Calorie Dog Food Options: Top Recommendations
These eight picks below cover kibble, air-dried, steam-dried, and freeze-dried formats, so you can match calorie density to your dogās appetite, age, and budget.
1. Canidae All Life Stages High Protein Dry Dog Food Multi-Protein 4-LbĀ
This formula features 30% protein to support muscle development for strength and 20% fat to fuel metabolism. Because this kibble suits puppies, adults, and seniors, itās a great pick for homes with multiple dogs.Ā
Product Highlights
- 30% protein and 20% fat in one recipe.
- Real chicken as the first ingredient.
- Made for puppies, adults, and seniors.
CANIDAE All Life Stages High Protein Dry Dog Food Multi-Protein, 4-lb
2. Ziwi Peak Original Series Air Dried Dog Food Lamb Recipe 16-OzĀ
A raw-style alternative you simply scoop and serve. It works as a complete meal, a mealtime topper, or a treat, and it adds a 10% superfood blend.
Product Highlights
- 96% meat, organs, seafood, and bone.
- No grains, potatoes, or rendered meals.
- Includes omega fatty acids plus glucosamine and chondroitin.
Ziwi Peak Original Series Air Dried Dog Food Lamb Recipe, 16-oz
3. Badlands Ranch Superfood Complete Air-Dried Dog Food Bison & Beef 24-OzĀ
A premium air-dried recipe that supports smooth digestion and overall wellness. Nutrient-dense organ meat and heart-healthy salmon round out the protein for a complete, whole-food bowl.
Product Highlights
- Bison, beef, organ meat, and salmon.
- Smooth digestion & overall wellness.
- Gut-friendly vegetables and fruit.
Badlands Ranch Superfood Complete Air-Dried Dog Food Bison & Beef, 24-oz
4. Ziwi Peak Steam & Dried Dog Food Grass-Fed Beef With Pumpkin Recipe 1.8-LbĀ
This product uses ethically sourced New Zealand beef, micro-steamed and then gently air-dried to preserve nutrients and flavor. Added prebiotics and fiber support digestion, and the crisp bites suit dogs that like crunch.
Product Highlights
- 85% raw meats and organs from New Zealand beef.
- Pumpkin and chicory root for digestion.
- Serve as a full meal or a bowl base.
Ziwi Peak Steam & Dried Dog Food Grass-fed Beef with Pumpkin Recipe, 1.8-lb
5. Merrick Healthy Grains Adult Dry Dog Food Real Beef & Brown Rice Recipe With Ancient Grains 12-LbĀ
A kibble for adult dogs that do well on grains. Added vitamins A and E support immunity, and the recipe leaves out poultry by-product meal, peas, lentils, and potatoes.
Product Highlights
- Deboned beef as the first ingredient.
- Glucosamine and chondroitin for joints.
- No corn, wheat, soy, or artificial colors.
Merrick Healthy Grains Adult Dry Dog Food Real Beef & Brown Rice Recipe with Ancient Grains, 12-lb
6. Instinct Raw Meals Grain-Free Freeze-Dried Adult Dog Food Grass Fed Lamb Recipe 14-OzĀ
A shelf-stable raw choice that delivers fresh nutrition for a healthy, vibrant pet. It is cold-pressured for safety, freeze-dried at peak freshness, and ready to scoop and serve.
Product Highlights
- 85% meat and organs, 15% fruits and vegetables.
- Protein raised without antibiotics or added hormones.
- No grain, corn, wheat, soy, or preservatives.
Instinct Raw Meals Grain-Free Freeze-Dried Adult Dog Food Grass Fed Lamb Recipe, 14-oz
7. Dr. Marty Natureās Blend Active Vitality Freeze-Dried Raw Senior Dog Food 16-OzĀ
The top pick for dogs aged 7+, blending meat, vegetables, fruit, and superfoods for easy digestion, limber joints, and playful energy. It targets common signs of aging so senior dogs stay active.
Product Highlights
- Formulated for dogs 7 and older.
- Tart cherry and New Zealand green mussel for a vital immune system.
- No artificial preservatives or fillers.
Dr. Marty Nature's Blend Active Vitality Freeze-Dried Raw Senior Dog Food, 16-oz
8. Shepherd Boy Farms Alligator Freeze Dried Raw Dog Food 14-OzĀ
A novel-protein option for dogs with food sensitivities or active lifestyles. Gentle freeze-drying locks in flavor and freshness, and the formula supports digestion, energy, and a shiny coat.
Product Highlights
- Lean alligator, a novel protein rich in omega-3s.
- Goatās milk for easy digestion.
- Two-year shelf life, no thawing.
Shepherd Boy Farms Alligator Freeze Dried Raw Dog Food, 14-oz
| KWIK NOTE: Raw food can carry bacteria such as Salmonella and Listeria, so ask your vet before feeding it to an underweight, ill, or senior dog. |
High Calorie Dog Food: Comparison table
| Product | kcal/cup | Format | Best For |
|---|---|---|---|
| Canidae High Protein | 565 | Dry kibble | Multi-dog homes |
| Ziwi Peak Air-Dried Lamb | 469 | Air-dried | Meal, topper, or treat |
| Badlands Ranch Bison & Beef | 447 | Air-dried | Digestive support |
| Ziwi Steam & Dried Beef | 334 | Steam and dried | Crisp bite, bowl base |
| Merrick Healthy Grains Beef | 451 | Dry kibble | Everyday adult feeding |
| Instinct Raw Freeze-Dried Lamb | 218 | Freeze-dried | Raw convenience |
| Dr. Marty Active Vitality | 227 | Freeze-dried | Dogs aged 7+ |
| Shepherd Boy Alligator | 220 | Freeze-dried | Food sensitivities |
How to Choose the Best High Calorie Dog Food?
Start with your dogās life stage and health status, then compare calories.Ā Use this five-step filter to narrow the shelf quickly:
- Confirm the labelās ācomplete and balancedā statement matches your dogās life stage.
- Compare both kcal/kg and kcal/cup.
- Choose a named meat as the first ingredient.
- Match the texture to your dog: kibble, crisp air-dried, or freeze-dried.
- Pick a protein your dog has tolerated before.
| KWIK TIP: Ask your vet whether pancreatitis risk applies to your dog before choosing a fat-dense food. |
What Are the Smartest Ways to Help a Dog Gain Weight?
Following these tips will help your dog put on weight steadily:
- Divide their daily portion into 3-4 small portions to make it easier to digest and encourage fussy eaters to eat.
- Mix with warm water or a spoonful of wet food to boost the smell.
- Add some plain, cooked eggs or chicken on top.
- Add low-sodium bone broth made without onion or garlic, both harmful to dogs.
- Provide calorie-rich treats between meals such as air-dried meat.
- Feed them in a quiet area away from other pets to make meal times less stressful.
What Mistakes Should You Avoid When Fattening Up a Dog?
Food That Is Too Rich
Your dog may develop loose stools and start vomiting if fed a too-rich diet. This is particularly important if they are susceptible to pancreatitis.
Switching Too Fast
Gradually change foods over 7-10 days. To begin with, mix around 25% new food with their old food and increase the ratio every couple of days.
Overfeeding Past Ideal Weight
Do not add extra calories once your dog has reached their target weight as set by your vet. As they are eating a high-energy diet, they will gain weight quickly, so if you overfeed, they will become obese.
How Do You Track Your Dogās Weight Gain?
Weigh your dog every one to two weeks, at the same time of day. Use a home scale for small dogs, or step on a bathroom scale holding your dog and subtract your own weight. Log each number so trends show even when day-to-day changes look small.
Aim for slow, steady gain, and adjust portions if the scale stalls for two to three weigh-ins. Raise the daily amount by a small step rather than doubling it. Recheck body condition by touch every month, since ribs and waist often change before the number on the scale does.
Conclusion
The best dog food for underweight dogs is the one that fits your dogās age and digestion. Increase calories gradually, add one or two feeding hacks, and weigh your dog every week or two. Move to a maintenance food at goal weight so the gain stays healthy and lasts.
Browse Kwik Petsā full high calorie dog food range, including dry and wet recipes, puppy and performance formulas, calorie-dense toppers, and weight-support supplements.Ā
