When your old buddy starts losing a bit of weight, it can be worrying. You want to help them stay strong, healthy, and full of life. That’s where senior dog food for weight gain comes in. In this guide, we’ll talk about the best food choices, tips, and some homemade ideas to help your older dog gain weight safely.
Why Do Senior Dogs Lose Weight?
As dogs age, they go through changes just like humans. Here are some common reasons for weight loss:
- Dental problems: Hard food can hurt their teeth.
- Poor digestion: Their tummy doesn’t work like before.
- Low appetite: They might just not feel like eating.
- Health issues: Kidney, liver problems, or diabetes can cause weight loss.
That’s why you should think about switching to senior dog diet for weight gain if your dog is getting thinner.

What Should I Feed My Senior Dog to Gain Weight?
Here are some tips for feeding your dog the right way:
- Choose senior high calorie dog food for weight gain
- Pick wet food or soft kibble for easy chewing
- Feed smaller meals more often (3-4 times a day)
- Add healthy fats (like fish oil or coconut oil)
- Mix in healthy food for dogs to gain weight like cooked eggs, rice, and meat
Key Nutrients for Weight Gain in Senior Dogs
Weight gain isn’t just about more calories — it’s about the right nutrients:
- High-quality protein: Supports muscle development
- Healthy fats: Add calories and improve skin and coat
- Digestive enzymes and probiotics: Aid absorption
- Omega-3 and Omega-6: Help reduce inflammation
- Glucosamine and chondroitin: Protect aging joints
Look for these in commercial foods or discuss with your vet about adding supplements.
Best Senior Dog Food for Weight Gain (Dry Food)
Here are some top-rated adult dog food for weight gain options:
1. Purina Pro Plan SPORT Active 27/17 Formula
- High protein and fat
- Good for active senior dogs
- Boosts muscle mass
2. Blue Buffalo Wilderness High Protein
- Grain-free
- Made with real chicken or salmon
- Helps with digestion and weight gain
3. Wellness CORE RawRev High-Protein
- Freeze-dried raw meat
- Great for picky eaters
- Full of calories and nutrients
Best Senior Wet Dog Food for Weight Gain
Wet food is great for dogs with teeth issues or low appetite. Here are some favorites:
1. Hill’s Science Diet Adult 7+ Savory Stew
- Soft texture
- Balanced nutrition
- Easy to digest
2. Nutro Ultra Senior Wet Dog Food
- Tasty meat blends
- Good for muscle maintenance
- No artificial flavors
3. Royal Canin Aging 12+ Loaf in Sauce
- Supports kidney health
- High moisture
- Good for hydration and weight gain

What to Feed Senior Dogs to Gain Weight: Homemade Ideas
Sometimes homemade meals work wonders. Here are a few weight gain food for dogs recipe ideas:
Recipe 1: Chicken & Rice Bowl
- 1 cup boiled chicken (no bones)
- 1/2 cup cooked white rice
- 1 boiled egg
- A teaspoon of olive oil
Recipe 2: Peanut Butter Banana Mix
- 1 mashed banana
- 2 tablespoons peanut butter (no xylitol)
- 1/2 cup plain yogurt
Recipe 3: Turkey Veggie Mash
- 1 cup ground turkey (cooked)
- 1/4 cup sweet potato (boiled)
- 1/4 cup carrots (soft and chopped)
These are perfect for mixing with senior dog food to help gain weight.
A Weekly Feeding Plan for Weight Gain
Here’s an example of what a weekly plan might look like:
Day | Breakfast | Lunch | Dinner |
---|---|---|---|
Mon | Chicken rice | Wet food | Kibble with oil |
Tue | Turkey mash | Egg mix | Senior wet food |
Wed | Kibble + yogurt | Chicken broth | Peanut butter mix |
Thu | Wet food | Chicken & rice | Turkey veggie bowl |
Fri | RawRev kibble | Yogurt | Hill’s stew |
Sat | Chicken rice | Wet food | Kibble with banana |
Sun | Peanut butter mix | Chicken broth | Turkey mash |
Additional Tips to Help Your Dog Gain Weight
- Keep a feeding journal: Note what your dog eats and how they respond.
- Make mealtime fun: Use puzzle bowls or hand-feed if needed.
- Warm the food slightly: This increases aroma and taste appeal.
- Avoid free feeding: Stick to a schedule for better digestion.
Signs That Weight Gain is Working
- More energy and tail-wagging
- Shinier coat
- Less visible ribs
- Healthy appetite
But don’t overdo it. Too much weight can lead to joint issues. Balance is key.
Best Senior Dog Food for Weight Gain (Brand Roundup)
Let’s list some of the best senior dog food for weight gain brands:
- Purina Pro Plan: Great for active seniors
- Blue Buffalo: Protein-rich and natural
- Hill’s Science Diet: Vet-recommended
- Royal Canin: Good for picky eaters
- Nutro Ultra: Balanced and gentle

Tips from Vets and Real Dog Owners
We read what vets and owners had to say on forums and reviews:
- “Feed small, frequent meals with high calories. That works well for seniors.”
- “Wet food helped my old lab gain back her weight.”
- “Don’t forget to check for medical problems before just changing food.”
These are common advice from dog parents and professionals.
Best Weight Gain Treats for Senior Dogs
List some healthy high-calorie treats such as:
- Dehydrated liver
- Peanut butter treats (xylitol-free)
- Cheese cubes
- Commercial weight gain treats (e.g., Buddy Biscuits, Wellness Soft Treats)
How to Monitor Progress During a Weight Gain Diet
Teach dog owners how to:
- Weigh their dog weekly
- Measure body condition score (BCS)
- Track appetite and energy levels
- Keep a feeding journal
When to See a Vet About Weight Loss in Senior Dogs
Help readers understand warning signs like:
- Sudden or rapid weight loss
- Vomiting or diarrhea
- Excessive thirst or urination
- Lumps or bumps
Encourage regular bloodwork or vet checkups.
Senior Dog Feeding Mistakes to Avoid
Add a “what not to do” section:
- Skipping meals
- Overfeeding fatty scraps
- Giving human sweets or toxic foods
- Switching food brands too ofte
Signs Your Senior Dog Is Underweight
List signs such as:
- Visible ribs or spine
- Lethargy
- Loss of muscle mass
- Reduced interest in food
Final Thoughts
Helping your older dog gain weight takes time, patience, and the right diet. Whether you go with best senior dog food for weight gain, dry food, or a homemade mix, make sure it’s gentle, tasty, and full of healthy calories.
You love your dog. And even though they’re getting older, they still deserve the best. Use the tips and foods we shared, and you’ll see your furry friend bounce back with energy and joy.
Let them live their golden years full of strength, comfort, and wagging tails!
FAQ: Senior Dog Weight Gain
1. What can I feed my senior dog to gain weight?
You can feed your senior dog high-calorie dog food, wet food, and homemade meals rich in protein and healthy fats. Good options include boiled chicken, rice, eggs, peanut butter (without xylitol), and yogurt. Also, consider adding fish oil or olive oil to meals to boost calorie intake naturally.
2. Which dog food is best for weight gain?
The best dog food for weight gain includes high-protein and calorie-dense options like Purina Pro Plan SPORT, Blue Buffalo Wilderness, and Wellness CORE RawRev for dry food. For wet food, Hill’s Science Diet Adult 7+, Nutro Ultra Senior, and Royal Canin Aging 12+ are excellent choices. These foods support healthy weight gain without upsetting your dog’s digestion.
3. What can I feed my senior dog to gain weight?
Try high-calorie kibble, wet food, boiled chicken, rice, and healthy oils.
4. Is wet food better for senior dogs?
Yes, especially if they have dental problems or low appetite.
5. Should I talk to a vet before changing food?
Always. Some weight loss is due to health problems.
6. Can I mix homemade and commercial food?
Yes. Just make sure it’s balanced.
7. How long does it take to see results?
Usually 2-4 weeks with consistent feeding.
You May Like – a senior dog food without chicken
You May Like – senior-dog-large-breed
Share To Help