Kirkland Dog Food vs Blue Buffalo: Which Dog Food is Best for Your Pet’s Needs?

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Do you have a dog? You want to provide the best for your pet, but you’re not sure which dog food brands have the best dog food.

You know your pet is a member of the family. You want to feed them food with all-natural ingredients, and you’re looking for high-quality dog food that will provide all the nutrients they need. But how do you decide between Kirkland Dog Food vs Blue Buffalo?

Kirkland Dog Food is one of the best dog foods for your pup. It’s made with high-quality ingredients, and it’s affordable too! You can find Kirkland at Costco so you know that it’s always fresh. Blue Buffalo is also a great option if you’re looking for something different.

In this blog post, we break down everything from their ingredients to customer reviews so that you can make an informed decision when it comes time to buy dog food. We also uncover what makes each brand unique in hopes of making your life easier when it comes time to purchase a bag or two of kibble! Settle in and get ready for some serious pet knowledge because we have so much information on these brands that you won’t believe what we found!

Kirkland Dog Food Overview

Costco’s private label is Kirkland Signature. It is sold by Costco on their website and warehouses, and it is trademarked by the company. In 1992, Costco launched Kirkland Signature as its own private brand, naming it after the corporate headquarters of Kirkland, Washington, which was at the time where they were based.

Who makes Costco dog food?

Costco’s dog foods include Kirkland Signature and Kirkland Signature Nature’s Domain (grain-free food). Both brands of Kirkland Signature dog foods are actually manufactured by Diamond Pet Foods also known as Schell and Kampeter, Inc.

Types of Kirkland Dog Food

Kirkland Dog Food has mainly 2 types of dog foods:

  • dry dog food
  • canned dog food.

Dry Kirkland foods are made of quality ingredients that are easy to find and great for your dog’s immune system.

Kirkland Signature Dog Food is good for dogs that have a sensitive stomach and need to switch brands often. It’s also good for dogs that don’t like certain flavors and gets fed up with the same thing every day.

Canned Kirkland foods come in chicken and beef flavors and can be found throughout Costco warehouses.

Costco’s Kirkland Signature dog foods are great for all dog breeds and sizes. Make sure to pick the right type of food for your furry friend whether it’s a small pup or if you have a few mature dogs.

Blue Buffalo Dog Food Overview

Blue Buffalo is a pet food company that specializes in dog and cat food. They make many formulas for dogs and cats with different needs such as skin sensitivities, immune system support, hip, and joint health, weight management, digestive care, etc. They use healthy ingredients like potatoes, carrots, applesauce, and many more. It’s made from all-natural ingredients sourced from the United States.

Types of Blue Buffalo Dog Food

There are several different types of Blue Buffalo dog food that come packaged as dry dog food, wet dog food, or canned dog food. The first type is the Blue Buffalo life Protection formula, which is a meat-first recipe combined with rice for health and wellbeing. The second type is the Blue Buffalo Wilderness meat dogs diet, which is a high-protein, grain-free, meat-rich diet for dogs of all ages. The third type is the Blue Buffalo Basics diet, which comes with limited ingredients for those pets with allergies, food sensitivities, or those needing weight management. The fourth type is the Blue Buffalo Freedom diet, which is a grain-free lamb and chicken recipe for all dogs. The fifth type is the Blue Buffalo True Solutions diet, which comes with superior nutrition designed to cater to any health issues.

Which has better food: Blue Buffalo or Kirkland Dog Food?

There is no definite answer as to which is better when talking about Blue Buffalo or Kirkland Dog Food. It really depends on what your dog’s needs are. If you have a dog that has a sensitive stomach and you need to switch brands often, then Kirkland might be the better option. If your dog likes variety in their diet and you don’t want them to get bored of the same food every day, then Blue Buffalo would be a good choice. Ultimately, it’s up to you to decide what’s best for your pup!

Kirkland Protein Sources

Kirkland dog food sources its protein from fresh chicken, turkey, beef, and lamb. All of these meats are highly digestible and perfect for adult dogs. In most dog foods, chicken is the number one ingredient, followed by egg proteins. This formula is also made with rice, which helps to add dietary fiber as well as other nutrients to your pup’s diet. If your dog has a sensitive stomach and you need to switch brands often, this might be the perfect food for them.

Blue Buffalo Protein Sources

Blue buffalo tends to have a more wide variety of protein sources ranging from Chicken, turkey, beef, lamb, pork, bison, duck, fish, rabbit. Trout. Salmon. Venison The company also has a line of dog food consisting of the same ingredients as their human-grade foods for pets who are picky eaters or need special dietary needs like sensitive stomachs and allergies.

Quick Look – Kirkland vs Blue Buffalo

Kirkland Signature Natural Formula Dog Food

Kirkland Signature Super Premium Adult Dog Lamb, Rice & Vegetable Formula is designed to meet all of the nutritional needs of your special pet. For dogs that thrive on lamb-based diets, our real lamb and egg make an ideal protein blend. Plus whole grain brown rice, the No. 1 carbohydrate ingredient in our Kirkland Signature™ Super Premium Adult Dog Lamb, Rice & Vegetable Formula, is a highly digestible carbohydrate source. This real lamb formula is enhanced with probiotics for optimal digestive health and enriched with garden vegetables, fruits, and herbs.


Lamb, lamb meal, whole grain brown rice, ground white rice, rice bran, egg product, cracked pearled barley, chicken fat (preserved with mixed tocopherols), dried beet pulp, potatoes, fish meal, flaxseed, natural flavor, millet, brewers dried yeast, potassium chloride, salt, choline chloride, carrots, peas, dried kelp, apples, cranberries, rosemary extract, parsley flake, dried chicory root, glucosamine hydrochloride, dried Lactobacillus acidophilus fermentation product, dried Bifidobacterium animalis fermentation product, dried Lactobacillus reuteri fermentation product, taurine, vitamin E supplement, iron proteinate, zinc proteinate, copper proteinate, ferrous sulfate, zinc sulfate, copper sulfate, potassium iodide, thiamine mononitrate, manganese proteinate, manganous oxide, chondroitin sulfate, ascorbic acid, vitamin A supplement, biotin, niacin, calcium pantothenate, manganese sulfate, sodium selenite, pyridoxine hydrochloride (vitamin B6), vitamin B12 supplement, riboflavin, vitamin D supplement, folic acid.

Blue Buffalo Life Protection Formula Natural Adult Dry Dog Food

Blue Buffalo Life Protection Formula Natural Adult Dry Dog Food is a dry dog food that provides essential proteins and carbohydrates to help meet the energy needs of adult dogs and features omega 3 & 6 fatty acids (like in salmon oil) to promote a shiny coat and healthy skin.

The ingredients in Blue’s Life Protection Formula are carefully selected by holistic veterinarians and animal nutritionists to support immune system health, life stage needs, and a healthy oxidative balance.

Blue contains no chicken (or poultry) by-product meals, corn, wheat, soy, or artificial flavors or preservatives. The company also promises quality assurance for every bag of food it sells: “We make our foods with care from start to finish”. This includes selecting high-quality protein sources such as real chicken and using only the finest natural ingredients enhanced with vitamins and minerals.


Deboned Chicken, Chicken Meal, Brown Rice, Barley, Oatmeal, Pea Starch, Flaxseed (source of Omega 3 & 6 Fatty Acids), Chicken Fat (preserved with Mixed Tocopherols), Natural Flavor, Dried Tomato Pomace, Peas, Pea Protein, Salt, Potassium Chloride, Direct Dehydrated Alfalfa Pellets, Dried Chicory Root, Fresh Potatoes, Pea Fiber, Alfalfa Nutrient Concentrate, Calcium Carbonate, Choline Chloride, DL-Methionine, preserved with Mixed Tocopherols, Dicalcium Phosphate, Sweet Potatoes, Carrots, Garlic, Zinc Amino Acid Chelate, Zinc Sulfate, Vegetable Juice for color, Ferrous Sulfate, Vitamin E Supplement, Iron Amino Acid Chelate, Blueberries, Cranberries, Barley Grass, Parsley, Turmeric, Dried Kelp, Yucca Schidigera Extract, Niacin (Vitamin B3), Glucosamine Hydrochloride, Calcium Pantothenate (Vitamin B5), Copper Sulfate, Biotin (Vitamin B7), L-Ascorbyl-2-Polyphosphate (source of Vitamin C), L-Lysine, L-Carnitine, Vitamin A Supplement, Copper Amino Acid Chelate, Manganese Sulfate, Taurine, Manganese Amino Acid Chelate, Thiamine Mononitrate (Vitamin B1), Riboflavin (Vitamin B2), Vitamin D3 Supplement, Vitamin B12 Supplement, Pyridoxine Hydrochloride (Vitamin B6), Calcium Iodate, Dried Yeast, Dried Enterococcus faecium fermentation product, Dried Lactobacillus acidophilus fermentation product, Dried Aspergillus niger fermentation extract, Dried Trichoderma longibrachiatum fermentation extract, Dried Bacillus subtilis fermentation extract, Folic Acid (Vitamin B9), Sodium Selenite, Oil of Rosemary

List of Kirkland Dog Products

Kirkland Signature dog foods include:

Kirkland Signature Nature’s Domain Grain-Free dog foods include:

Kirkland Bestsellers

No products found.

List of Blue Buffalo Dog Products

Blue Buffalo has a much wider range of products, but we’ll list some of the more popular categories (that come in wet and dry form) here:

Blue Buffalo Bestsellers

No products found.

What about Dog Treats?

Every dog has a treat that will make them wag their tail and beg for more! Kirkland and blue buffalo have a wide variety of treats to keep your pup happy. They offer dental chews, jerky, sausage, Nylabones, and more. Whether it be training treats or soft tasty treats you are looking for… Kirkland has something for everyone. Blue Buffalo is the same way with crunchy treats as well as dental treats! They also provide different sizes so you can find just what your dog needs without having to worry about if they’ll like it or not.

Browse Blue Buffalo Dog Treats Browse Kirkland Dog Treats


Kirkland and Blue Buffalo both have a range of quality dog food products, but they differ in terms of their target market. Kirkland is more than likely better for those who are on the go or want to feed their pet easy-to-prepare meals at home. They also offer high protein options so your pup can get all the nutrients it needs without too many carbs. If you’re someone with time constraints that wants something higher quality than ordinary grocery store brands but don’t want to spend an arm and leg then this might just be what you need! For those who prefer wet foods over dry, there’s plenty to choose from as well including canned diets made specifically for senior dogs (or puppies) like blue buffalo life protection formula natural adult dog food.

Blue Buffalo, on the other hand, markets their products as being all-natural and better for dogs with allergies or sensitivities to certain ingredients. They have a wider variety of grain-free formulas and are also one of the few brands that make organic dog food. If you’re looking for a top-of-the-line product that won’t cause your dog any digestive issues then Blue Buffalo might be right for you!

Whichever brand you decide on, always consult with your veterinarian before making any changes to your dog’s diet in order to get their professional recommendation and ensure your pup is getting the best possible care.

  • Kirkland’s Quality is unmatched, with high protein formulas that are good for picky eaters
  • Blue Buffalo offers a variety of grain-free options as well as organic ones but can be prohibitively expensive

Dog food is expensive and it can be hard to find a quality product that your pup will like.

Kirkland and Blue Buffalo both have a range of quality dog food products, but they differ in terms of their target market.


What are the benefits of wet dog food over dry dog food?

Dry dog food has a longer shelf-life than wet dog food so it can be an economical alternative. Wet foods have more water content, however, which may cause complications with your pup's digestive system. Feeding your pup wet food will also require an appropriate amount of water to go with it, which is less convenient if you don't have access to clean tap water or filtered water in your area.

What are the benefits of premium canned dog food?

Premium canned foods are usually all-natural and contain no ingredients that could harm your pup's health. Plus, they're easier to prepare. If you're looking for something healthy but fast then this is the perfect option. Just remember to read the label and make sure there are no hidden sugars or other unhealthy additives.

Do I need to consult a veterinarian before switching my dog to a new food?

Yes, it's always best to speak with your veterinarian before making any changes to your pet's diet. They will be able to recommend a food that is best suited for your pup's individual needs and help ensure that they're getting all the nutrients they require.

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