4.8(7,322)Amazon rating$104.992,000+ bought last month
Our verdict
Hill's Science Diet Adult 1-5 Large Breed in chicken and barley is built around joint and muscle support for big dogs, and a 4.8 star average across 7,322 reviews makes it one of the best rated formulas in this group.
Large breed adult dogs between about 1 and 5 years old, especially owners prioritizing joint and muscle support in an everyday formula.
Skip if
You have a small or medium breed dog, since this is formulated and portioned specifically for large breeds, or your dog needs a grain-free diet since barley, wheat, and corn are all included here.
Best for Hip And Joint Support, Muscle Care, Skin And Coat Health, Digestive Health, Large Breed Formula
Breed size Large
Weight 45 Pounds
Priced 182% above the category median ($37.22 across 146 tracked models)
Our scorecard
4.8/5overall
Owner rating4.8/5
4.8 average across 7,322 owner ratings
Popularity3.8/5
7,322 owner reviews, more than most models here
The overall score is owner satisfaction weighted by how many reviews back it, so a high rating from few reviews counts for less. The bars below show where this model stands against the other dog food and health supplements we track in this category on price, popularity and size. Context, not marks against it, and our read of the data, not a lab test.
Overview
["This 45 lb bag of Hill's Science Diet Adult 1-5 Large Breed is built around a chicken and barley recipe, with chicken, chicken fat, and chicken meal as protein sources alongside cracked pearled barley, whole grain wheat, and whole grain corn.", "The formula also includes flaxseed, apples, broccoli, carrots, cranberries, and green peas, and Hill's markets it around hip and joint support, muscle care, skin and coat health, and digestive health, all common priorities for large breed dogs carrying more weight on their joints.", "At $104.99 for 45 lbs, it's priced for the large breed feeding volume it's meant to cover, and with 7,322 reviews at a 4.8 star average plus about 2,000 bought in the past month, it's held up as a trusted, well reviewed option."]
Pros
4.8 star average, among the highest rated foods in this group
Formulated specifically for large breed joint and muscle support
Includes real produce like apples, broccoli, carrots, and cranberries
High protein recipe with no artificial flavors
Large 45 lb bag size suits the feeding needs of bigger dogs
Cons
Contains wheat and corn, so not an option for grain-free or wheat-sensitive dogs
Priced over $100 for the bag, a bigger upfront cost than smaller formulas
Only formulated for large breeds, not usable for small or medium dogs
Hip And Joint Support, Muscle Care, Skin And Coat Health, Digestive Health, Large Breed Formula
Breed size
Large
Weight
45 Pounds
Performance notes
With chicken, chicken fat, and chicken meal as the lead ingredients alongside barley, wheat, and corn, this formula leans on a mixed grain base rather than a grain-free approach. The added flaxseed, apples, broccoli, carrots, cranberries, and green peas support the hip and joint, muscle, skin and coat, and digestive health benefits Hill's highlights for large breed adult dogs.
What buyers say
With 7,322 reviews at a 4.8 star average and about 2,000 bought in the past month, this large breed formula has a strong, consistent following, backed by one of the higher ratings among the foods covered here.
No, it includes cracked pearled barley, whole grain wheat, and whole grain corn, so it's not a fit for dogs on a grain-free or wheat-free diet.
What age range is this formula meant for?
It's labeled Adult 1-5, meaning it's formulated for large breed dogs roughly between one and five years old, rather than puppies or older seniors.
What does the added produce in this formula do?
Ingredients like apples, broccoli, carrots, cranberries, and green peas round out the recipe alongside the core chicken and barley, supporting the digestive and skin and coat benefits Hill's highlights, though a vet is the best resource for any diagnosed joint condition.
We use necessary cookies to keep the site working. With your permission, we also use functional, analytics, and marketing cookies. Read our Cookie Policy.
