Diamond Naturals Large Breed Adult Chicken & Rice Formula Dry Dog Food

By Diamond
Rated 4.1993 out of 5 stars


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$87.98 Chewy Price
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Top IngredientsChicken, Chicken Meal, Whole Grain Brown Rice...Lamb Meal, Whole Grain Brown Rice, Cracked Pearled Barley...Chicken Meal, Chicken, Ground White Rice...Lamb Meal, Ground White Rice, Cracked Pearled Barley...Chicken (Source of Glucosamine), Rice Flour, Corn Gluten Meal...
Special DietNo Corn No Wheat No Soy, With GrainNo Corn No Wheat No Soy, With GrainHigh-Protein, No Corn No Wheat No Soy, With GrainNo Corn No Wheat No Soy, With GrainHigh-Protein, Natural, With Grain
Health FeatureDigestive Health, Immune Support, Skin & Coat HealthDigestive Health, Immune Support, Skin & Coat HealthDigestive Health, Immune Support, Skin & Coat HealthDigestive Health, Immune Support, Skin & Coat HealthDental & Breath Care, Digestive Health, Heart Care...
Breed SizeSmall Breeds, Medium Breeds, Large Breeds, All BreedsLarge Breeds, Giant BreedsSmall Breeds, Medium Breeds, Large Breeds, All BreedsSmall Breeds, Medium Breeds, Large Breeds, All BreedsSmall Breeds, Medium Breeds, Large Breeds, All Breeds
Food FlavorPoultry, ChickenMeat, LambPoultry, ChickenMeat, LambPoultry, Chicken
Food FormDry FoodDry FoodDry FoodDry FoodDry Food

About This Item


  • Made in the USA by a family-owned company using quality ingredients from trusted domestic and global sources.
  • With real cage-free chicken as the #1 ingredient, this recipe is specially formulated to support the needs of large breed dogs.
  • Glucosamine and chondroitin support healthy joints, omega fatty acids support skin and coat health and superfoods, including fruits like blueberries and oranges provide your large breed dog with vitamins and minerals.
  • Each serving includes species-specific K9 strain proprietary probiotics, plus antioxidants and prebiotics to help support healthy digestion, immune system health and overall wellness.
  • Made without corn, wheat, artificial flavors or colors.

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Nutritional Information

Feeding Instructions

Play Video: Learn More About Diamond From Our Team of Experts
Learn More About Diamond From Our Team of Experts

About Diamond Pet Food

Headquartered in Missouri, family-owned Diamond Pet Food believes that every pet deserves the best food possible, and they've been delivering on that promise since 1970. They use state-of-the-art facilities across the USA to create quality cat and dog food made to the highest nutritional standards. Every formula balances protein, fat and essential nutrients to keep your pets active and healthy and performing their best.

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Questions & Answers

22 Customer Questions

What is the sodium content ? Phosphorus content? And copper content?

Kitchen location?
Answer by ChewyJul 25, 2017
Diamond has five manufacturing facilities, all located in the United States. Two facilities are located in California, and the others are located in Missouri, South Carolina, and Arkansas.

I see the kitchen location is in the U.S.A. ...Are any of the ingredients outsourced? Or are all ingredients from the U.S.A.? Thank you!
Answer by ChewyFeb 22, 2019
Diamond Naturals uses the highest quality ingredients and manufactured in America in state-of-the-art facilities. This formula uses some ingredients that are not USA sourced, like flaxseed and barley, both which originate in Canada and dried chicory root from Belgium. There are ingredients such as folic acid and taurine that can only be sourced out of China.

how many cups in 40 lb. bag?
Answer by ChewySep 06, 2022
A 40 pound bag will contain approximately 160 cups of food. However, Diamond Naturals bags are filled by weight, not by volume.

ReviewsWrite a Review

Rated 4.1993 out of 5 stars
542 Ratings
Would recommend to a friend

524 Customer Reviews

Rated 5 out of 5 stars
By Marge on Dec 5, 2023

Outstanding value!

I’ve done a lot of investigation into the contents of dog foods based on the guidelines supplied by my American Mastiff breeder and almost all of the brands that pass muster are very expensive. Diamond Naturals is on par with those pricey brands for half the cost. Very important when your dog is a giant breed!

Rated 5 out of 5 stars
By Jeanne on Oct 15, 2023

Awesome dogfood for the price!

I love my dogs and cats, and I raise a rare breed. Only the very BEST will do. So I search for the best commercial foods to give them. I also make my own dog and cat food with pure meat and eggs, but I'm not rich, so I need other foods also. The is the BEST dogfood I've found for the price anywhere! The major keys for me are these: 1) Is real meat of some kind 1st in the ingredients, and 2) Is the phosphorus content at or below 1%? After many years of research,I've learned that the latter indicates how much of the original protein source comes from actual meat vs meat by-products. The by-products are usually bones, chicken feet and feathers, and such. And the phosphorus content is VERY representative of the amount of by-products that are included instead of actual meat. This is such a major factor that I've turned my customers away from brands that claim to be grain-free while they make-up for it with meat by-products! This is a great dog food recipe - much preferable to the others of this brand. Highly recommend!

Rated 1 out of 5 stars
By Sarah on Oct 18, 2023

Both dogs ended up with diarrhea

I will admit my Great Dane has a sensitive stomach but my Labrador’s is steel. Both dogs seem to like the food, especially the lab, but unfortunately both have had on and off diarrhea over the last month. I thought it was a treat or something else they may have eaten, but after one month of testing on and off of the dry food, it really appears it is Diamonds Natural Large Breed dry food. I’m with my dogs 90% of the time, and there isn’t anything else they’ve eaten that would have led to this. It’s unfortunate as it is a high quality food and a cheaper price. But I won’t take a chance feeding them something that leads to days of really bad diarrhea and dehydration.

Rated 1 out of 5 stars