Best Dog Food for Senior Dogs: A 2025 Guide For Feeding Old Dogs

For dog owners, the reality that our pets live such short lives means that we do everything we can to make our time together count. To ensure that their later years are as comfortable, healthy, and happy as possible, we need to make healthier decisions when choosing the best dog food for senior dogs.

If you have an older dog or a dog nearing their senior years, you might be wondering what you can do to boost your old dog's quality of life. Providing complete and balanced nutrition is the best place to start. Nourishing from the inside out is one of the most effective ways to give aging dogs more vitality and, in some cases, more time.

This article will help you understand the unique dietary needs of senior dogs so that you can make the best feeding decisions for them.

Why Do Senior Dogs Need Different Food

As dogs age, their dietary needs can shift a little. From caloric intake to digestibility, your senior dog's diet should help to reduce signs of aging and support better overall health. 

Food plays a significant role in canine health, so choosing a healthy diet can be your first and most powerful tool for slowing the effects of aging.

Not every old dog will need a senior-specific dog food, but they are a simple option for those who are noticing signs of aging and prefer an uncomplicated option for supporting your senior dog's health.

Formulas targeting the needs of senior dogs can be found in most food formats, like kibble, canned foods, and even raw. These are all crafted with modified nutrients and carefully selected ingredients to boost immunity, control weight, build muscle, and nourish skin and coat health.

If you are not sure if your dog needs either senior dog food or a modified diet, then make sure to familiarize yourself with the physical and mental symptoms of dog aging.

7 Common Signs of Aging in Dogs

While every dog is different and can present unique symptoms of aging to varying degrees, there are some common age-related signs that you should be on the lookout for when choosing an appropriate senior dog diet.

In the early stages of senior dogs, the signs may be subtle, but as your dog gets older, energy and mobility may all start to be affected by the sands of time. Here are the most common signs that your dog is starting to feel like a senior dog:

1. Decreasing Activity Levels

Staying active is one of the best ways to prevent health problems related to age. If you notice a difference in your pet's energy levels, stamina, or desire to play, you may need to consider making some adjustments to their diet.

A decrease in activity levels could indicate pain from arthritis or other hip dysplasia and joint-related issues, but it could also just be a natural part of aging. Feeding a food that is not suited to their activity levels could lead to unwanted weight gain.

2. Mobility Issues

Obvious mobility issues need to be taken seriously, and choosing an appropriate senior dog food can be the first step in combating age-related deterioration. 

Of course, making lifestyle changes is another important piece of the puzzle, but it goes hand in hand with getting your dog the right calories from the right ingredients to support muscle, provide energy, and improve digestion.

3. Weight Fluctuations

Changes in body weight can be an indicator of age, too. If your dog is gaining weight due to inactivity, you may need to encourage your dog to be more active in small spurts as well as make adjustments to their feeding guidelines or change to a diet that is better suited to a slowing old pooch.

Weight loss issues should also be taken seriously. Older dogs that lose interest in food can start to deplete their muscle mass. Long-term, this can contribute to further mobility issues and reduced activity. Even slower senior dogs still need ample calories from healthy animal proteins, fats, and carbohydrates.

Special recipe senior dry dog food is designed for older dogs and contains wholesome ingredients that are easy to digest and ensuring that your aging pooch can get all of the nutrients they need to stay healthy.

5. Digestion Issues

As dogs age, their gut flora changes, and they often have trouble repopulating healthy bacteria and digestive enzymes. The fact is that ageing leads to a decrease in organ function, and many organs play vital roles in the digestive health system.

The food that they have been fed for years may start to cause inconsistent stool quality, as well as gas. This could indicate that a diet change is required or that a digestive health supplement should be added to their routine.

Diets made from natural and highly digestible ingredients are best for any dog, but are especially important for senior canines.

6. Skin and Coat Health

Older dogs tend to show more skin and coat health issues than younger dogs. Regular grooming and even daily petting can help to identify the following skin lesions, fatty lumps, hair loss and other signs that your senior dog needs a diet change.

These signs could be related to diet and can often be managed with the appropriate balance of high-quality nutrients from real food ingredients.

7. Loss of Appetite

When your dog isn't finishing their meals like they used to, or they are skipping meals entirely, it could be due to their age. As they start to slow down, you may find that they just aren't as hungry.

Some dogs are good at controlling their calories, especially if you are free-feeding. Still, a loss of appetite could be a symptom of another age-related issue, like pain.

Pain and discomfort from digestive issues can deter your dog from eating with the typical gusto that they used to. Proper eating routines are extremely important, so if your pet is consistently skipping meals or is having trouble eating, a vet visit is warranted.

Is My Dog A Senior?

Knowing when to consider your dog a senior is a great way to help you better monitor their health and determine how to ensure optimal nutrition for their needs. 

Different breeds age differently, so while one dog may be considered a senior at 7, others will not reach senior status until closer to 9. Size plays a big role in lifespan, with larger breeds being considered old earlier than smaller breeds.

A good guideline to follow is:

• • Small breeds: 8-10
  • Medium Breeds: 7-8
  • Large Breeds: 6-7
  • Giant Breeds: 5-6

Certain breeds don't follow these guidelines, and not all dogs who are considered seniors actually show any kind of physical or cognitive decline right away. The point is that once your dog closes in on old age, it's important to keep an eye out for symptoms like the ones described above.

Understanding Senior Dog Food: Differences & Nutritional Needs

Aging dogs have unique dietary requirements, and choosing the right food is essential to ensure their golden years are comfortable and healthy. You may wonder, "What is the difference between senior dog food and regular dog food?"

While both types aim to provide balanced nutrition, senior dog food is specifically tailored to address the challenges of aging, such as mobility issues, weight management, and cognitive decline.

Let’s explore these distinctions and how to choose the best options for your senior canine.

What is the Difference Between Senior Dog Food and Regular?

Is there more to the best senior dog food than the name on the packaging? When comparing an adult dog food or an all-life-stage diet to one labelled as the best senior dog food, you may not see a noticeable difference.

The primary differences between senior dog food and regular dog food lie in the formulation. Senior dog food typically includes ingredients and nutrients designed to support aging bodies:

• • Joint Support: Senior dog food often contains glucosamine and chondroitin, which help maintain joint health and mobility.
  • Calorie Adjustment: Senior formulas may have fewer calories to prevent weight gain in less active dogs.
  • Enhanced Digestibility: Ingredients like pea fibre and probiotics support gut health, which can decline with age.
  • Cognitive Health Support: Some senior foods include DHA and antioxidants to aid brain function and slow cognitive decline.
  • Protein Content: While once thought that older dogs needed lower protein, many senior foods now maintain or even increase protein levels to support muscle mass, and instead focus on providing high-quality and easily digestible protein sources.

For example, adult dog food may focus on maintaining general health, while senior dog food targets specific aging concerns like arthritis or digestive sensitivities. These differences make senior formulas a valuable choice for aging dogs.

Nutritional Requirements for Senior Dogs

We often take for granted how similar a senior pet's needs are to a puppy's. The same systems need to be looked after, and change is constant, albeit in the opposite direction.

The fundamental similarities between puppy and best senior foods lie in the food's ability to support the critical systems of their bodies.

When choosing dog food for senior canines, consider the following:

• • Physical Health
  • Lean Muscle Development
  • Cognitive Function
  • Organ Function

Some beneficial ingredients often found in senior dog food include:

1. Protein: Look for high-quality protein sources like chicken, chicken meal, turkey, fish, chicken fat, or lamb. Protein helps maintain muscle mass and supports overall health.
2. Whole Grains: Easily digestible grains like brown rice, oatmeal, brown rice, whole grain brown rice, whole grain corn, whole grain barley, or quinoa can provide energy and fibre for digestion.
3. Vegetables and Fruits: Nutrient-rich vegetables such as sweet potatoes, carrots, peas, and fruits like blueberries or apples can provide vitamins, minerals, and antioxidants.
4. Healthy Fats: Omega-3 fatty acids, typically sourced from fish oil or flaxseed, assist with your dog's joints and promote a healthy coat and skin.
5. Joint Supplements: Ingredients like glucosamine and chondroitin can help support joint health and mobility in older dogs.
6. Probiotics: Including probiotics in the form of ingredients like yogurt or prebiotic fibres can support digestive health and nutrient absorption.

Remember, the specific needs of elderly dogs can vary, so it's important to consult with your veterinarian to determine the best ingredients and diet plan for your individual senior dog. Some dogs may have dental disease and need wet foods, but others might have a perfect set of teeth, so they can easily consume hard, dry foods.

Brain Food for Aging Dogs

Healthy brain function will support other systems in the body. As our pets age, deterioration of cognitive function can lead to compromise of many systems in the body.

A healthy, natural diet will provide all of the nutrients that your senior dog's body needs to provide energy to all of its systems, including brain health. Look for foods that contain omega-3 fatty acids, like fish oil, and antioxidant-rich ingredients like berries, broccoli or dark leafy greens.

All Life Stage Foods Good for Senior Dogs

All life stage foods are everywhere. It seems many dog food brands are steering towards this fad, but is an all-life-stage food really suitable for all stages?

Although not specifically crafted for senior dogs, all life stage foods are meant to meet the needs of most dogs across most life stages, but may not be suitable for older dogs that are already experiencing symptoms of aging or those that have more specific dietary needs due to their health.

If you are looking for an easy feeding option, or if you are feeding dogs of different life stages, you may find that all life stage diets can be supplemented with meal toppers, natural supplements, or fresh foods. These modifications can make the diet better suit your old dog's needs.

What is the Healthiest Dog Food for Senior Dogs?

There is no one-size-fits-all when it comes to choosing the right food for your old dog, but if you know what to look for and how to read pet food labels, you should be able to narrow down your options to a few high-quality formulas. When selecting food for senior dogs, prioritize high-quality ingredients that address their unique needs. 

The healthiest senior dog foods include:

1. Protein-Rich Sources: Look for chicken, turkey, fish, or lamb as primary ingredients to maintain muscle mass.
2. Healthy Fats: Omega-3 and omega-6 fatty acids, such as those found in fish oil, promote joint health and a shiny coat.
3. Antioxidants: Ingredients like blueberries, spinach, and carrots combat oxidative stress and support cognitive health.
4. Joint Supplements: Glucosamine and chondroitin are critical for joint health and mobility.
5. Probiotics: These aid digestion and nutrient absorption, which can decline with age.

Some of the best brands for senior dogs include:

• • Orijen Senior Dog Food: High in protein and nutrient-dense, it supports overall health and mobility.
  • Acana Senior Formula: Features multiple protein sources and omega fatty acids for cognitive and joint support.
  • Vetdiet Senior Dog Food: Combines science and natural ingredients for tailored senior nutrition.

How Much Food Should a Senior Dog Eat?

Determining the correct portion size for your senior dog depends on their weight, activity level, and health conditions. Overfeeding can lead to obesity, while underfeeding can result in muscle loss or nutritional deficiencies.

It’s crucial to adjust portions based on calorie density and consult your veterinarian for specific recommendations. Senior dogs often benefit from smaller, more frequent meals to aid digestion and maintain energy levels. Measuring food accurately and monitoring your dog’s weight regularly ensures they’re receiving the right amount of nutrition.

When to Switch Dog to Senior Food?

Knowing when to switch your dog to senior food depends on their size and breed. Larger breeds age faster than smaller ones, so their dietary needs may change earlier.

• • Small Breeds (under 20 lbs): Transition around 8-10 years of age.
  • Medium Breeds (20-50 lbs): Transition around 7-8 years of age.
  • Large Breeds (over 50 lbs): Transition as early as 6-7 years of age.

However, these are general guidelines. If you notice signs like decreased energy, weight changes, or joint stiffness, it may be time to switch dog food. Gradually introduce the new food over 7-10 days to avoid digestive upset.

What if My Senior Dog Won't Eat His Food?

It's not uncommon for dogs to get a little fussier about their food and their eating habits as they age. Regular, high-quality nutrition is very important for older dogs, so changes to your dog's eating habits should be monitored closely. 

Common reasons old dogs won't eat are:

• Boredom: Over time, dogs can get bored with their routine, so keeping meals fun by making them more exciting can help. This doesn't mean you have to change their food or add any extra treats or toppers. Rather, you can make meal time into a fun game by using puzzles, slow feeders, and lick mats.
• Digestive Issues: An upset tummy is enough to make anyone go off their dinner. Feeding a high-quality, moisture-rich diet is the best way to ensure better digestion. Digestive aids and portion control will also help.
• Reduce Appetite: As your dog ages and slows down, you may find they require fewer calories to get through their day. If your old pooch is occasionally skipping meals or not finishing their meal, they could be hinting that you are overfeeding.
• Health Issues: Sudden or prolonged changes to a dog's eating habits can be cause for concern, especially in senior dogs. You should monitor changes and connect with your vet to rule out illness or injury. Dental issues are a common issue in ageing dogs that can contribute to fussy eating.

Choosing the Right Type of Dog Food for Senior Dogs

Different formats of food may suit dogs' nutritional needs as they age. Each dog food format has it's own benefits and drawbacks, so don't limit yourself to just one style.

The most convenient option for you might not be giving your senior pet everything they need to thrive. The best food format for your senior dog depends on their health and preferences:

• • Dry Kibble: Convenient and budget-friendly. Look for high-quality options with added joint and cognitive support.
  • Wet Food: Easier to chew and digest, especially for dogs with dental issues.
  • Raw Food: Nutrient-dense and minimally processed, ideal for maintaining muscle and overall health.
  • Dehydrated/Fresh Food: Combines convenience with high-quality nutrition and is easy to digest.

Check out Types of Dog Food to learn more about the benefits of each dog food type and how it may help support your dog as they age.

Not all food types offer different life-stage options. Senior formulas are more common in kibble and canned foods, while freeze-dried and raw diets are more likely to take the all-life stage approach.

This is easier to achieve in a carnivore-style diet, as fresh whole foods are going to offer more digestible sources of key nutrients that senior dogs need to stay healthy and vibrant. This is one reason that raw food for senior dogs is a popular option.

Some of our favourite brands include Big Country Raw, K9 Choice, and Iron Will. 

Best Senior Dog Foods

Older dogs need a diet that suits their unique needs, but it's not always easy to know which brand or formula to choose. To help you narrow down the contenders, we put together a list of 10 of our favourite healthy senior dog food brands. 

From easy-to-feed kibble to moisture-rich canned diets, each brand on our list brings something unique and nutritious to the table to support your dog's golden years.

1. Orijen Senior Dog Food

This protein-rich senior dog food is made with multiple high-quality animal proteins to maintain muscle and support their hips and joints. Orijen Senior Dog Food is made in Canada using regionally sourced ingredients and a mix of fresh and dehydrated ingredients, providing amazing flavour and easy-to-digest nutrition.

Though the food is lower in calories and fat than the adult version, Orijen products are designed to be nutrient-dense, allowing for more nutrition in a smaller meal. This is one of our best senior dry dog foods due to its natural ingredients and high digestibility.

2. Go! Solutions Senior Dog Food

go! Solutions Carnivore Senior Dog Food is the perfect blend of flavour and nutrition for aging dogs. This formula is high in protein, low in carbs, and loaded with essential nutrients from real food ingredients like chicken, turkey meal duck, apples, sweet potatoes, and more.

This diet also includes green-lipped mussel, glucosamine, and chondroitin to support your ageing dog's hip and joint health.

3. Acana Senior Dog Food 

Another of our favourite Canadian partners, Acana Senior Dog Food, is focused on promoting lean muscle mass, a strong immune system, and healthy skin and coat. This multi-protein formula is highly palatable to encourage healthy and consistent eating habits.

Omega-3 and 6 fatty acids from fish oil help to support cognitive function in older dogs, which can delay or minimize the signs of aging. 

4. Open Farm Senior Dog Food

What's better than high-quality and nutrient-dense dog food that helps your senior dog thrive? How about one that uses sustainably and ethically sourced ingredients that you can feel good about feeding to your pooch?

Open Farm Senior Dog Food is a protein-rich formula that helps support lean muscle and a healthy weight. Green lipped mussels and omega-3 and 6 fatty acids help to reduce inflammation around the hips and joints to improve and protect mobility.

5. Canadian Naturals Senior Dog Food

Canadian Naturals Senior Dog Food is a simple, wholesome option made right here in Canada. This recipe is designed to support the changing needs of aging dogs with lower fat content and added glucosamine and chondroitin for hip and joint health.

With protein-rich turkey and salmon and fibre-rich grains, it’s an affordable and digestible choice for senior dogs with sensitive stomachs or selective palates.

6. FirstMate Weight Control Senior Dry Dog Food

If your older pup is slowing down, FirstMate Weight Control Senior Dry Dog Food offers a limited-ingredient formula to help maintain a healthy weight without sacrificing flavour or nutrition.

This Canadian-made food features wild-caught fish, along with easily digestible carbohydrates and added blueberries for antioxidant support. It’s low-fat and uses highly digestible proteins, making it ideal for dogs with sensitive stomachs.

7. Instinct Raw Longevity 7+

Support your senior’s vitality with the power of raw. Instinct Raw Longevity 7+ is a frozen raw food specially formulated for dogs over 7, offering high-quality animal protein, functional superfoods, and targeted nutrients to promote a long, healthy life.

This diet includes calcium, phosphorus, and glucosamine for strong joints and bones, along with omega fatty acids and antioxidants to support brain, heart, and immune health in older dogs.

8. Vetdiet Senior Wet Dog Food 

When it comes to choosing the best senior wet dog food, you can't go wrong with a Canadian brand that is dedicated to harnessing the power of both nature and science, Vetdiet. 

Vetdiet Senior Wet Dog Food is specially designed to support the needs of ageing dogs by supporting healthy weight and skin and coat health. Using natural ingredients, this moisture-rich diet can help improve digestion and nutrient absorption as they age.

9. Now Fresh Wet Food for Senior Dogs

Now Fresh Wet Food for Senior Dogs is a ready-to-serve meal in a convenient pouch, made with fresh chicken and salmon and packed with nutrient-rich superfoods like pumpkin, cranberries, and carrots.

Designed to support aging dogs, this recipe contains L-carnitine to maintain a healthy weight and added glucosamine and chondroitin to support joint health. Serve it as a complete meal or use it as a topper for added hydration and flavour.

10. Hills' Science Diet 7+ Wet Dog Food

Hill’s Science Diet 7+ Wet Dog Food is formulated specifically for the nutritional needs of dogs in their golden years. This tasty entree combines real beef and barley in a soft, easy-to-chew texture that older dogs love.

With balanced minerals and antioxidants for a healthy immune system and overall vitality, it’s a vet-recommended way to nourish your senior dog with every bite.

Best Senior Dog Food FAQs

How much should you feed your senior dog?

The appropriate amount of food to feed your senior dog depends on several factors, including their age, weight, activity level, and overall health. As dogs age, their metabolism and activity levels often decrease, which can lead to weight gain if their diet isn't adjusted accordingly.           

Do seniors need low-protein dog food?

Contrary to popular belief, not all senior dogs require reduced protein intake. Some senior dogs may need increased protein to support muscle maintenance and prevent muscle loss associated with aging.

What are the best ingredients for senior dog food?

The best senior dog foods include high-quality sources of protein, easily digestible carbohydrates, healthy fats, and essential vitamins and minerals. These ingredients help support the specific nutritional needs of aging dogs.

What should I look for in dog food for my senior dog?

When choosing dog food for senior dogs, look for products specifically formulated for your aging dog’s unique nutritional needs. Choose senior dog foods sourced from high-quality protein that are lower in calories to prevent weight gain and contain joint-supporting ingredients such as glucosamine and chondroitin.

How often should I feed my senior dog, and how much food should I give?

The feeding frequency and portion size for senior dogs can vary depending on their individual needs, age, health condition, and activity level. Most older dogs need two smaller meals a day instead of one large meal. 

Should I choose wet or dry food for my senior dog?

The choice between wet and dry food for senior dogs depends on their preferences, dental health, and any specific dietary concerns. Wet food can be more palatable and easier to chew for dogs with dental problems, while dry kibble can help promote dental health. A mix of both wet and dry can be a great option.

Are there foods to help treat my senior dog's health conditions?

Senior dogs may have specific dietary considerations. Some may require reduced-calorie foods to manage weight, while others may benefit from foods with added fibre for digestive health. Most senior formulas are designed to help support the most common conditions, but it's still a good idea to talk to your vet about how to best support more severe or unique senior dog conditions.