Home / Dog food / Hill's Science Diet / Adult Oral Care Chicken, Brown Rice & Barley Recipe Dog Food
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Hill's Science Diet Adult Oral Care Chicken, Brown Rice & Barley Recipe Dog Food
A feeding-trial-validated, chicken-first dry food that's denser than 3% (you feed fewer cups). We don't have a cost per day for this food yet.
THE FACTS, ONE SENTENCE — data as JSON · reference dog 40 lb · updated 2026-07-11
The evidence
The Verified Label
Every food on this site gets this exact panel — same fields, same order, sourced from the official label — so brands finally become comparable. Dots show where this food sits among all 494 dry foods we've verified.
verified 2026-07-11
Composition — dry-matter basis
why dry matter
We only publish numbers verified from official label sources; we haven't verified this label yet. The guaranteed analysis exists on the bag — it just isn't in our verified record so far.
Calories & cost — for your 40-lb adult dog
No cost per 1,000 kcal yet: we haven't matched this food to a current Amazon listing. Serving math uses standard veterinary energy formulas — see the formula.
Standards & ingredients
what this means
why unknown
Safety
Source: official label source (official) · anchors: 494 verified dry dog foods (360 priced) · how to read this label
The fit
For your dog, specifically
Checked for a 40-lb adult with a sensitive stomach — the same published criteria our finder uses. Change your dog above and these update.
The source material
The full ingredient list
Every flag above is computed from this list. Why order is by pre-cooking weight, and how splitting bends it →
Chicken, Brown Rice, Whole Grain Wheat, Whole Grain Corn, Corn Protein Meal, Powdered Cellulose, Cracked Pearled Barley, Chicken Fat, Chicken Meal, Chicken Liver Flavor, Soybean Mill Run, Flaxseed, Soybean Oil, Natural Flavor, Lactic Acid, Potassium Chloride, Calcium Carbonate, vitamins (Vitamin E Supplement, L-Ascorbyl-2-Polyphosphate (source of Vitamin C), Niacin Supplement, Thiamine Mononitrate, Calcium Pantothenate, Vitamin A Supplement, Riboflavin Supplement, Biotin, Pyridoxine Hydrochloride, Vitamin B12 Supplement, Folic Acid, Vitamin D3 Supplement), Iodized Salt, Choline Chloride, Taurine, minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), Dicalcium Phosphate, Mixed Tocopherols for freshness, Natural Flavors, Beta-Carotene
5 ingredients in this list are ones we hold sourced evidence on , and none of them is contested in the veterinary literature.
- Named Meat/Poultry Meal (e.g., Chicken Meal, Lamb Meal) · ingredient 9Well supportedA rendered, water- and fat-reduced concentrate from a named species (AAFCO, e.g., 'chicken meal'). Because most moisture is removed it is a dense protein source (poultry meals commonly around 57-69% crude protein) and it names the species for allergy avoidance.
- Mixed tocopherols (natural vitamin E) · ingredient 24Well supportedA blend of vitamin E forms (alpha-, beta-, gamma-, delta-tocopherol) used as a natural-source antioxidant to slow fat rancidity, commonly chosen as an alternative to synthetic preservatives. EFSA concluded that tocopherol-rich extracts are safe for all animal species and the consumer and are efficacious antioxidants in feed.
- Powdered Cellulose · ingredient 6NeutralPurified plant cell-wall fiber (typically from wood pulp) used as an insoluble-fiber source, bulking agent, and anti-caking aid, often in weight-management diets. It is not absorbed and is poorly fermentable, so it firms stool and dilutes calories but yields little of the short-chain fatty acids that more fermentable fibers produce; EFSA's 2018 re-evaluation found no safety concern and no need for a numerical ADI.
- Flaxseed (ALA omega-3) · ingredient 12NeutralA plant source of the short-chain omega-3 ALA. Dogs convert ALA to the long-chain omega-3s inefficiently: a controlled feeding study (Dunbar 2010) found flaxseed raised serum EPA but produced no measurable DHA.
- Taurine (supplemental) · ingredient 21NeutralA sulfur amino acid that dogs can normally synthesize from methionine and cysteine, so it is not classically essential for them. However, some breeds (e.g., golden retrievers) and some diets are linked to low taurine status and dilated cardiomyopathy: an observational study (Ontiveros 2020) associated non-traditional, largely grain-free diets with taurine deficiency and DCM-consistent echocardiographic changes in golden retrievers, though causation and mechanism remain under investigation.
The maker
Who makes this — and how they back it up
The five questions the WSAVA nutrition guidelines tell you to ask a pet-food company. Every answer is sourced or marked as an undisclosed gap — never guessed. This is the "is it made competently?" axis that star-rating sites skip.
Same source: 'Hill's is currently building a new canned pet food manufacturing facility in Kansas... and in May completed the acquisition of a canned pet food plant in Italy from Nutriamo.' Indicates Hill's owns and operates its own manufacturing plants.
source →Hill's explicitly employs four ACVN Diplomates (board-certified veterinary nutritionists) plus PhD nutritionists per same page ('Our staff of PhD nutritionists, food scientists, flavorists and veterinarians').
source →167 of 212 labels we checked carry an AAFCO feeding-trial substantiation statement.
source →covers: finished-product nutrient analysis (page also says each ingredient is examined and final safety checks run daily on every product; no Salmonella/batch detail on this page). Hill's company-wide page. NOTE: hillspet.com returns HTTP 403 to plain scripted requests; quote confirmed in-session via WebFetch only.
source →179 PubMed papers (animal/pet filtered) list Hill's Pet Nutrition in an author address; we checked 179 and 178 really name the company. A floor, not a total.
source →Full company scorecard, sources, and every SKU we've verified for this brand: Hill's Science Diet brand page →