a Mastiff Dog outdoors.

Best Dog Food for Mastiffs (Top 10 in 2021)

The Mastiff is a massive, muscular dog that exhibits immense patience and loyalty in all that it does. As with all giant-breed dogs, they also run a serious risk of developing a myriad of health issues if their diet does not meet their specialized nutritional needs.

These issues can range from skeletal disorders like hip dysplasia and degenerative myelopathy to serious diseases such as heart disease, bloat, obesity, and various types of cancer. In addition to choosing dog food with optimally balanced nutrition, dog owners also need to verify that their selected food is appropriate for their dog’s current life stage.

Among other factors, giant-breed puppies should have kibble with plenty of calcium and phosphorus to promote healthy bone development during their rapid growth phases, as well as added DHA to support healthy brain development.

Meanwhile, older dogs should have food designed with higher levels of glucosamine and chondroitin to keep their joints from deteriorating. Good dog food can be difficult to track down, but we’re here to help with our top picks for Mastiff food; which you can easily order through online retailers like Amazon and Chewy!

Note: Want to treat your dog to the very best? Get 50% off your first box of human-grade dog food when you try Ollie. Paws down, Ollie is the easiest way to feed your pup fresh, nutritious food. Learn how it works here!

Best Dog Food for Mastiffs (Top 10 in 2021) – Overview

Here are the top 5 picks (keep scrolling for more details and picks 6-10).

Overview
NUTRO ULTRA Large Breed Puppy High Protein Natural Dry Dog Food with a Trio of Proteins from Chicken, Lamb and Salmon, 30 lb. Bag
Fromm Family Foods Gold Large Breed 15 Lb Puppy Dry Food
Best Overall for Puppies
ORIJEN Dog Puppy Recipe, 25lb, High-Protein Grain-Free Dry Puppy Food, Packaging May Vary
Best Overall for Adults
Canidae All Life Stages Dry Dog Food, Chicken, Turkey, Lamb and Fish Meals, 44lbs
Lowest Price for Adults
NUTRO ULTRA Adult Large Breed High Protein Natural Dry Dog Food with a Trio of Proteins from Chicken Lamb and Salmon, 30 lb. Bag
Title
Nutro Ultra Large Breed Puppy Formula
Fromm Family Gold Large Breed Puppy
Orijen Grain Free Large Breed Puppy Food
Canidae All Life Stages Multi-Protein Formula
Nutro Ultra Large Breed Adult Formula
Price
$59.49
$40.99
$93.99
$64.99
$59.49
Rating
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Overview
NUTRO ULTRA Large Breed Puppy High Protein Natural Dry Dog Food with a Trio of Proteins from Chicken, Lamb and Salmon, 30 lb. Bag
Title
Nutro Ultra Large Breed Puppy Formula
Price
$59.49
Rating
⭐⭐⭐⭐⭐
Overview
Fromm Family Foods Gold Large Breed 15 Lb Puppy Dry Food
Title
Fromm Family Gold Large Breed Puppy
Price
$40.99
Rating
⭐⭐⭐⭐⭐
Best Overall for Puppies
Overview
ORIJEN Dog Puppy Recipe, 25lb, High-Protein Grain-Free Dry Puppy Food, Packaging May Vary
Title
Orijen Grain Free Large Breed Puppy Food
Price
$93.99
Rating
⭐⭐⭐⭐⭐
Best Overall for Adults
Overview
Canidae All Life Stages Dry Dog Food, Chicken, Turkey, Lamb and Fish Meals, 44lbs
Title
Canidae All Life Stages Multi-Protein Formula
Price
$64.99
Rating
⭐⭐⭐⭐⭐
Lowest Price for Adults
Overview
NUTRO ULTRA Adult Large Breed High Protein Natural Dry Dog Food with a Trio of Proteins from Chicken Lamb and Salmon, 30 lb. Bag
Title
Nutro Ultra Large Breed Adult Formula
Price
$59.49
Rating
⭐⭐⭐⭐

1. Nutro Ultra Large Breed Puppy Formula

NUTRO ULTRA Large Breed Puppy High Protein Natural Dry Dog Food with a Trio of Proteins from Chicken, Lamb and Salmon, 30 lb. Bag
1,284 Reviews
NUTRO ULTRA Large Breed Puppy High Protein Natural Dry Dog Food with a Trio of Proteins from Chicken, Lamb and Salmon, 30 lb. Bag
  • Contains one (1) 30 lb. bag of NUTRO ULTRA Large Breed Puppy Dry Dog Food with a Trio of Proteins From Chicken, Lamb and Salmon

Nutro Ultra Large Breed Puppy dry food is formulated with a medley of quality ingredients like chicken, lamb, and salmon to supply your growing pup with the muscle support that they need. Additionally, this specialized large breed formula features plenty of glucosamine and chondroitin to promote healthy joint development and a blend of antioxidant-rich superfoods to help your dog develop a strong immune system.

  • First 5 ingredients: Chicken, chicken meal (source of glucosamine and chondroitin sulfate), whole brown rice, brewers rice, whole grain oatmeal
  • Type: Grain-inclusive (oats, rice)
  • Best for: Mastiff Puppies
  • Sample buyer review: “I have used this product for over a year. I did loads of research on different dog foods that suited my pups needs, received high grades for being healthy, and wouldn’t break the bank. My original puppy at the age of 6 months went from eating 5 cups of another brand of food and still acting starved to hardly finishing 2 cups of Nutro Ultra and being very content. My second puppy loves the food as well!”

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2. Fromm Family Gold Large Breed Puppy

Fromm Family Foods Gold Large Breed 15 Lb Puppy Dry Food
69 Reviews
Fromm Family Foods Gold Large Breed 15 Lb Puppy Dry Food
  • Only The Highest Quality Ingredients Available Are Used In Fromm Pet Foods

Fromm Family Gold Large Breed Puppy food is made with high-protein duck and chicken ingredients and a mix of healthy grains like oatmeal and barley to keep your dog healthy and regular. This recipe also features fish oil and flaxseed rich in omega-3 and omega-6 fatty acids to promote skin and coat health and carrots, which are rich in essential beta-carotene.

  • First 5 ingredients: Duck, chicken meal, chicken, oatmeal, pearled barley
  • Type: Grain-inclusive (barley, oats, rice)
  • Best for: Mastiff Puppies
  • Sample buyer review: “I researched many high-quality, large breed puppy foods, and landed on this one. Fromm has ingredients that are real meat, and nothing I can see that is harmful in the ingredients. Additionally, this brand has appropriate calcium:phosphorous ratios for growing large and giant breed pups. My Great Pyrenees puppy loves the taste, too! Very happy so far.”

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Best Overall for Puppies
3. Orijen Grain Free Large Breed Puppy Food

ORIJEN Dog Puppy Recipe, 25lb, High-Protein Grain-Free Dry Puppy Food, Packaging May Vary
707 Reviews
ORIJEN Dog Puppy Recipe, 25lb, High-Protein Grain-Free Dry Puppy Food, Packaging May Vary
  • ORIJEN Puppy Large dog food delivers a diet rich and varied in fresh, whole animal ingredients from free-run chicken and turkey, wild-caught fish, and cage-free eggs

Orijen Large Breed Puppy Food combines free-run chicken and turkey, wild-caught fish, and cage-free eggs in a grain-free kibble perfect for dogs with sensitive stomachs. In addition to these fresh and raw animal ingredients, this dry food is rich in calcium and phosphorus to help your dog build strong bones while maintaining a healthy growth rate.

  • First 5 ingredients: Deboned chicken, deboned turkey, flounder, eggs, whole Atlantic mackerel
  • Type: Grain-free
  • Best for: Adult Mastiffs
  • Sample buyer review: “I bought this food at a local pet store after a friend recommended it to me. My 10 week old German Shepherd/Doberman puppy was having very runny poops and didn’t seem to like his food, so I took a friend’s advice and bought this; not even two days later his poos are vastly improved and he downs this food like there is no tomorrow. He likes it so much I use individual pieces to train him instead of treats, and he is more than happy. I’ll never give my little buddy another dog food brand as long as he lives.”

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Best Overall for Adults
4. Canidae All Life Stages Multi-Protein Formula

Sale
Canidae All Life Stages Dry Dog Food, Chicken, Turkey, Lamb and Fish Meals, 44lbs
5,542 Reviews
Canidae All Life Stages Dry Dog Food, Chicken, Turkey, Lamb and Fish Meals, 44lbs
  • Canidae’s healthy dry dog food provides optimal nutrition for puppies, adult, senior, large breed and less-active dogs

Canidae All Life Stages Multi-Protein dry dog food is high in protein from a variety of animal sources, including chicken, turkey, lamb, and fish. It’s also packed with nutritious, easily digestible grains like oatmeal and barley that are high in dietary fiber to keep your dog’s digestive tract healthy. Omega-rich additions like chicken fat, flaxseed, and salmon oil also make this kibble an excellent choice for dogs that struggle with skin and coat maintenance.

  • First 5 ingredients: Chicken meal, turkey meal, lamb meal, brown rice, white rice
  • Type: Grain-inclusive (barley, millet, oats, rice)
  • Best for: Adult Mastiffs
  • Sample buyer review: “We have a 12 year old Mastiff/Sheepdog that is very picky about dry food, and also seems to have developed a sensitive stomach. For the past few months, we have tried a number of high end dog foods that either she wouldn’t eat or she vomited after eating them. The Canidae is a dry food that she likes, and it stays down. This food also contains antioxidants, probiotic cultures, and omega-3 fatty acids that are good for her. This food also meets the AAFCO nutritional standards which, in my research, is something to look for in choosing a dog food. In addition, the percent of fat is 60% of the level of protein. If the percentage of fat as compared to the protein is more than 70% – 80% you are feeding your dog too much fat and not enough protein. I am very happy with the quality of this dry dog food, and more importantly my girl will eat it.”

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Lowest Price for Adults
5. Nutro Ultra Large Breed Adult Formula

NUTRO ULTRA Adult Large Breed High Protein Natural Dry Dog Food with a Trio of Proteins from Chicken Lamb and Salmon, 30 lb. Bag
1,142 Reviews
NUTRO ULTRA Adult Large Breed High Protein Natural Dry Dog Food with a Trio of Proteins from Chicken Lamb and Salmon, 30 lb. Bag
  • Contains one (1) 30 lb. bag of NUTRO ULTRA Large Breed Adult Dry Dog Food with a Trio of Proteins From Chicken, Lamb and Salmon

Nutro Ultra Large Breed Adult kibble offers high-quality protein from real chicken ingredients, as well as omega-rich chicken fat and sunflower oil to support your dog’s skin and coat health. Nutro brand dog food is also notable for its commitment to making food without animal by-product meal, soy, wheat, or artificial colors or preservatives, as well as for their included immune-supporting blend of antioxidant-rich superfoods like kale and blueberries.

  • First 5 ingredients: Chicken, chicken meal (source of glucosamine and chondroitin sulfate), whole brown rice, brewers rice, rice bran
  • Type: Grain-inclusive (oats, rice)
  • Best for: Adult Mastiffs
  • Sample buyer review: “I have used this dry dog food for 11 years. I originally began using it with my pit bulls who were allergic to beef, and Nutro Ultra Large Breed dog food contains no beef or beef by products. We started the dogs on Nutro Puppy food at 10 weeks. After a year of using the adult food, I realized how good it was for my other 2 dogs that did not have beef allergies. All the dogs had beautiful coats, lots of energy, a healthy weight, and smaller stools that prior to using Nutro Ultra. Although I lost both pits to bone cancer (inherited trait) , the other two large mix-breed dogs are now 13 and 14 years old and doing well for senior large breed dogs. My new rescue pit is also thriving on the Nutro. I will continue to use it with all my future dogs as long as the formula produces the same results. I highly recommend it to anyone with large breed dogs, especially if they have food allergies.”

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6. Merrick Grain Free Large Breed, Real Chicken & Sweet Potato

Merrick Grain Free Large Breed Recipe 22lb
68 Reviews
Merrick Grain Free Large Breed Recipe 22lb
  • #1 ingredient: deboned meat, Fish or poultry: Merrick Grain free dog food recipes contain leading levels of high quality proteins for healthy energy levels, building muscle mass and a great taste your...

Merrick Large Breed grain-free dog food provides high-protein, balanced kibble perfect for dogs with food allergies or sensitive digestive tracts. This dry pet food is specifically formulated with leading levels of glucosamine and chondroitin to help prevent the joint issues that larger dogs like Mastiffs often face.

  • First 5 ingredients: Deboned chicken, chicken meal, turkey meal, sweet potatoes, potatoes
  • Type: Grain-free
  • Best for: Adult Mastiffs
  • Sample buyer review: “I switched all three of my doodles to Merrick because of skin, ear and odor issues. I am happy to say that I have seen a huge improvement in their skin. They have stopped scratching and chewing their feet, and I rarely need to spray doggie deodorizer.”

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7. Fromm Gold Large Breed Adult Dog Food

Fromm Gold Large Breed Adult is designed to support healthy muscle development through high-quality, real duck and chicken protein and is packed with probiotics to encourage healthy digestion. Fromm customers also adore how this product’s omega-rich inclusions like chicken fat and salmon oil keep their dogs’ skin healthy and their coats shiny.

  • First 5 ingredients: Duck, chicken meal, chicken, oatmeal, pearled barley
  • Type: Grain-inclusive (barley, oats, rice)
  • Best for: Adult Mastiffs
  • Sample buyer review: “I’ve fed the Fromm Large Breed formula for several years to my Great Danes and Mastiff. I’m very particular about the quality of food I feed, and this is, by far, the best. I show my dogs and get compliments on how nice their coats are all the time. Also the fact that it is family owned here in the USA made my choice to feed my dogs this brand even easier.”

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8. Diamond Naturals Senior, Chicken, Egg, & Oatmeal Formula

Diamond Naturals Senior formula is specially designed to maintain your senior dog’s muscle mass with high-quality, cage-free chicken protein and their joint health with glucosamine and chondroitin additions. This nutritious, balanced kibble also features a proprietary mix of probiotics to support tricky senior digestive systems.

  • First 5 ingredients: Chicken, chicken meal, whole grain brown rice, ground white rice, egg
  • Type: Grain-inclusive (oats, rice)
  • Best for: Adult Mastiffs
  • Sample buyer review: “This food has turned my 10 year old lab’s life around. She began to develop some pretty bad skin & ear problems as she aged. I wasn’t sure what was causing the issues but spoke with someone who recommended this food and it has made a huge difference. Her skin has cleared up almost completely and the constant scratching has stopped. Her coat looks better than ever and she has a bit of her puppy self back. Also put my 6 year old male lab on the same food since he has a bad hip and he no longer needs glucosamine since it’s already in his food. It was a great recommendation and I will pass my blessing along to the next person trying to find an excellent food for their furry family.”

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9. Nutro Ultra Senior Formula

NUTRO ULTRA Senior High Protein Natural Dry Dog Food with a Trio of Proteins from Chicken, Lamb and Salmon, 30 lb. Bag
1,073 Reviews
NUTRO ULTRA Senior High Protein Natural Dry Dog Food with a Trio of Proteins from Chicken, Lamb and Salmon, 30 lb. Bag
  • Contains one (1) 30 lb. bag of NUTRO ULTRA Senior Dry Dog Food with a Trio of Proteins From Chicken, Lamb and Salmon

Nutro Ultra Senior dry dog food is formulated with your senior dog’s overall health in mind and is an excellent, affordable choice to keep them in great shape for years to come. This food is made with a variety of animal proteins sourced from trusted suppliers, with no artificial flavors, colors, or preservatives in the mix.

  • First 5 ingredients: Chicken, chicken meal (source of glucosamine and chondroitin sulfate), whole brown rice, brewers rice, rice bran
  • Type: Grain-inclusive (oats, rice)
  • Best for: Senior Mastiffs
  • Sample buyer review: “We have a purebred golden retriever and she has previously been on a healthy weight management name-brand food. We noticed that, after eating, she would rub her face all over the carpet and her eyes would water. After doing some research, I found that this food had high ratings for senior-age dogs. We have been using it for the last week or so and our dog no longer has any sort of reaction to the food. She does not itch, scratch, or have watery eyes after every meal! We were so happy to finally find a food that our dog did not react poorly too, and at her age, it is important to us that she has the highest quality of life until the end, as possible. I am very impressed by this food, and the ingredients in it.”

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10. Orijen Grain Free Senior Dog Food

ORIJEN Senior Dry Dog Food, Grain Free, High Protein, Fresh & Raw Animal Ingredients, 25lb
1,079 Reviews
ORIJEN Senior Dry Dog Food, Grain Free, High Protein, Fresh & Raw Animal Ingredients, 25lb
  • ORIJEN Senior dog food delivers a diet rich and varied in fresh, whole animal ingredients from free-run chicken and turkey, wild-caught fish, and cage-free eggs

Orijen Senior grain-free recipe uses protein from free-run chicken and turkey, wild-caught fish, and cage-free eggs to keep your dog’s aging muscles strong. Additionally, this dry kibble is made with chelated minerals for easier protein absorption and natural fermentation products for gut and digestive support.

  • First 5 ingredients: Deboned chicken, deboned turkey, flounder, eggs, whole Atlantic mackerel
  • Type: Grain-free
  • Best for: Senior Mastiffs
  • Sample buyer review: “From the considerable research I’ve done seeking the (near) perfect commercial dog foods, Orijen kept making the top of the list. No grains, no junk filler, no significant allergens, & no trouble getting my four-footed friend’s interest.”

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Final Thoughts

Giant-breed dogs like Mastiffs are renowned for their impressive strength, but they’re not the only powerful pups around. Check out our article on the world’s strongest dog breeds to learn more about these impressively muscular breeds.

Note: Want to treat your dog to the very best? Get 50% off your first box of human-grade dog food when you try Ollie. Paws down, Ollie is the easiest way to feed your pup fresh, nutritious food. Learn how it works here!

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Sarah Brady

Sarah Brady is an animal lover and the proud dog-mom of a Golden Retriever named Brody and an Italian Greyhound named Jessup. Unfortunately, Jessup developed serious allergies to many different types of dog foods and ingredients when she was just a puppy. Meanwhile, Brody could eat seemingly anything and carry on as healthy as could be. Sarah spent hours of time researching and testing different foods and brands before finding something that worked for little Jessup. She wants Dog Food Care to simplify this experience for future dog-parents who face food allergy or tolerance issues of their own.