High-Calorie Dog Foods That Help Your Pup Pack on Healthy Pounds

When your dog needs to gain weight, simply feeding more isn’t always enough—you want the food you give to work harder. That’s where high-calorie dog food comes in.

What Makes a Dog Food High-Calorie?

Higher fat content – More calories per bite
Quality proteins – Essential for building lean muscle
Low fillers – More room for nutrient-dense ingredients
Digestibility – Dogs need to absorb the nutrients, not just eat them

Top Ingredients to Look For

Chicken, beef, or fish as the first ingredient
Brown rice, oats, or sweet potato for complex carbs
Added oils like salmon or flaxseed oil
Probiotics for gut health and better nutrient absorption

Feeding Tips

Gradually switch to new food over 7–10 days
Measure portions to avoid overfeeding too quickly
Monitor stools—soft stool may mean the food is too rich or not digesting well

High-calorie food isn’t just about fat—it’s about dense, high-quality nutrition. Choose wisely, and your pup will be on the path to a healthier weight in no time.

3. Muscle, Not Just Fat: Building Healthy Weight Through Exercise

Yes, your underweight dog needs more calories—but did you know movement helps them gain healthy weight too?

Why Exercise Matters

Stimulates muscle growth
Boosts appetite
Improves digestion and nutrient absorption
Helps maintain energy balance and mental health

Best Exercises for Underweight Dogs

Walks – Great for all dogs and easy to adjust intensity
Tug-of-war – Encourages strength and bonding
Hill walks or light hikes – Build muscle safely
Swimming – Excellent for dogs with joint sensitivity

Avoid overexertion. Keep sessions short, positive, and gradually increase intensity as your dog gains energy and weight.

4. Homemade Weight-Gain Dog Recipes You Can Try Today

Want to control exactly what’s in your dog’s bowl? Try making high-calorie meals or toppers at home!

Simple High-Calorie Recipe: Chicken & Rice Power Bowl

Ingredients:

1 cup cooked white rice
1/2 cup cooked shredded chicken
1 tbsp pumpkin purée
1 tsp olive oil
1 hard-boiled egg (chopped)

Instructions:

Mix all ingredients in a bowl.
Serve warm or room temp.
Portion according to your dog’s size.

Protein-Packed Kong Filling

Ingredients:

2 tbsp natural peanut butter
1/4 cup plain Greek yogurt
1/4 banana (mashed)
Optional: add kibble or meat bits

Mix and stuff into a Kong toy, then freeze. Great for enrichment and calories!

Always check with your vet when introducing new foods—especially if your dog has health concerns.

5. When to See the Vet About Your Dog’s Weight

While some dogs are just naturally lean, persistent underweight issues could point to something deeper.

Red Flags to Watch For

Visible ribs, spine, or hips
Sudden or rapid weight loss
Lethargy or weakness
Chronic diarrhea or vomiting
Loss of appetite

Even if you’re feeding more and adding calories, if your dog isn’t gaining—it’s time to talk to the vet.

What a Vet Can Do

Rule out parasites, infections, or digestive disorders
Run bloodwork to check thyroid, kidney, or liver function
Recommend prescription diets or supplements
Help create a weight gain plan tailored to your dog’s needs

A vet visit ensures you’re not just guessing—and can save precious time in getting your pup healthy.

6. How to Track Your Dog’s Weight Gain Progress

Once you’ve started a weight gain plan, tracking progress is key! Here’s how to monitor your dog’s journey without stress.

Use a Weekly Weigh-In

Weigh your dog on the same day each week, same time of day
Use a home scale (hold your dog and subtract your weight) or visit a vet or pet store with a pet scale

Keep a Simple Journal

Log:

Weight
Appetite changes
Energy level
Stool quality
Any new food or supplements

Visual Signs of Progress

Less visible ribs or spine
Fuller face and belly
Shinier coat
More energy and playfulness

Healthy weight gain is gradual. Celebrate small wins—you’re doing right by your pup!