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Hill's

Hill's Science Diet Perfect Digestion Adult Cat Food

View on Hill's: official page

31 ingredients35% protein (dry matter)3,851 kcal/kg★ 4.6 · 265 reviews Where to buy ↓

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Ingredients

31 ingredients

11 beneficial · 1 under research review · 11 contextual · 25 standard

48 classified, including what's inside premixes and blends

Nutritional adequacy

✓ Complete & Balanced

Formulated to meet AAFCO nutrient profiles (Adult), brand statement

Brand transparency

4 of 5 disclosed

Pawdit presents manufacturer-declared facts and attributes every note to its published source. We do not rate, grade or rank products. This assessment is generated by an algorithmic methodology based on published sources. It is not a guarantee of product quality or safety. Always consult your veterinarian.

Ingredients

31 ingredients (broken into components where relevant) · tap any for its research notes

What do these mean? ▾

Beneficial. Linked to benefits in published research. Tiers show evidence strength.

Restricted or banned. Restricted or banned by a regulator in at least one country.

Under research review. Being studied or re-evaluated by researchers or regulators.

Contextual. Not flagged, but there is a note worth reading.

Standard. Everyday components like vitamins and minerals.

Not yet classified. Not in our dictionary yet. Always still listed.

Counts include what's inside compound entries like vitamin premixes, so they can add up to more than the label's ingredient count.

1ChickenNamed single-species whole meat▾

● Beneficial (well-established)Whole meat from a named animal species. Both the species and the form are identified, which supports traceability and allergy checking. Published nutrition references associate named whole meats with high protein quality.Sources: AAFCO 2024 · NRC 2006 · Amino acid bioavailability studies

2Cracked Pearled BarleyBarley▾

● Contextual noteA whole grain carbohydrate and fibre source. Provides beta-glucans, a type of soluble fibre associated with gut health benefits.Sources: Veterinary nutrition references

Show all 31 ingredients ▾

9Ground Pecan ShellsPecan shell fibre▾

● Contextual noteGround pecan shell used as an insoluble fibre and texture agent, mainly in chews and dental products. Limited nutritional value beyond fibre; functionally similar to powdered cellulose.Sources: AAFCO ingredient definitions · Nutritional composition data

10Lactic Acid▾

● Standard ingredientA naturally occurring organic acid used as a preservative or pH regulator.Sources: AAFCO ingredient definitions

Nutrient analysis

dry matter, the manufacturer's basis · compared to AAFCO adult cat maintenance minimums

✓Formulated to meet AAFCO nutrient profiles (Adult)"Hill's Science Diet Adult Perfect Digestion Cat Food is formulated to meet the nutritional levels established by the AAFCO Cat Food Nutrient Profiles for maintenance of adult cats." (brand statement)

Protein35%AAFCO min 26% DM

Fat18%AAFCO min 9% DM

Fibre2%no AAFCO reference

3,851 kcal/kg≈ 1,611 kJ / 100g energy densityBrand states 3,851 kcal/kg

Also declared on the label

Phosphorus0.78% dry matterbrand statedSodium0.45% dry matterbrand statedPotassium0.85% dry matterbrand statedMagnesium0.088% dry matterbrand statedTaurine0.3% dry matterbrand statedOmega-3 (total)0.45% dry matterbrand stated

This manufacturer publishes its analysis on a dry-matter basis (with moisture removed), so the values above are shown on that basis and moisture is not stated. AAFCO minimums are also dry-matter figures, so they compare directly; the comparison is shown for context only. Consult your vet for diet decisions.

Brand transparency

Hill's · what the manufacturer discloses, not a rating

Part of Colgate-Palmolive (Hill's Pet Nutrition) · 3 brands on Pawdit

Recall historyon record2019: Global voluntary recall of canned dog food due to excess Vitamin D from supplier error. FDA warning letter. $12.5M settlement. 0 APOG consumer reports.

AS5812 accreditationAustralia's voluntary pet food manufacturing standardnot confirmed

PFIAA membershipPet Food Industry Association of Australiaconfirmed

Quality certificationsconfirmedAAFCO · FDA cGMP

Parent companydisclosedColgate-Palmolive (Hill's Pet Nutrition)

A factual disclosure checklist from public records and the brand's own statements. Items we haven't verified show as not confirmed: a data gap, not a judgment. Are you Hill's? Claim your brand to confirm or correct this record.

Customer reviews

4.6

265 reviews · aggregated from retailer listings across multiple sources

Where to buy

confirm prices and explore sizes on the retailer's site

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checked 20d ago · 2 sizes: 1.59kg, 5.9kgVisit

Corn / corn gluten meal

● Contextual noteA digestible carbohydrate and protein source for most dogs. Commonly characterised as filler in consumer discussions, but veterinary nutrition research supports its nutritional value.Sources: AAFCO 2024 · NRC 2006

4Chicken Fat▾

● Standard ingredientA named animal fat source providing energy and essential fatty acids.Sources: AAFCO ingredient definitions

5Chicken MealNamed species meat meal▾

● Beneficial (well-established)Rendered meal from a named animal species: a concentrated protein source with water and fat removed. The species is identified, which supports traceability and allergy checking.Sources: AAFCO ingredient definitions · Veterinary nutrition references

6Whole Grain OatsOats▾

● Contextual noteA whole grain carbohydrate source rich in soluble fibre (beta-glucans). Generally well-tolerated and considered a high-quality grain for pets.Sources: Veterinary nutrition references

7Whole Grain CornCorn / corn gluten meal▾

8Chicken Liver FlavorNamed organ meats▾

● Beneficial (well-established)Organ meat from a named animal species, with both the species and the organ identified. Published nutrition references describe named organ meats (e.g. chicken liver, beef heart) as nutrient-dense, naturally rich in vitamins A and B12, iron, copper, and folate. Where the label names only the organ (e.g. "liver"), the animal species is not identified.Sources: NRC 2006 · Nutritional composition data

● Standard ingredientA standard added potassium (mineral) supplement.Sources: NRC 2006

12Calcium SulfateCalcium salts▾

● Standard ingredientA standard added calcium (mineral) supplement.Sources: NRC 2006

13FlaxseedFlaxseed / flaxseed oil▾

● Contextual noteCats have negligible ability to convert plant-based ALA to the bioactive EPA and DHA forms. Flaxseed provides no meaningful omega-3 benefit for cats. Marine sources are required.Sources: Bauer 2011

14Dried Beet PulpBeet pulp▾

● Beneficial (supported)A well-studied moderately fermentable fibre source associated with stool quality benefits in dogs.Sources: NRC 2006 · Fahey et al. 1990Position on the ingredient list suggests a small inclusion level.

15Dried Citrus Pulp▾

● Standard ingredientA fibre source derived from citrus fruit processing.Sources: Nutritional composition data

16Choline Chloride▾

● Standard ingredientCholine chloride: a standard added nutrient for normal cell and nerve function.

17Soybean Oil▾

● Contextual noteA plant-derived oil providing omega-6 fatty acids. Derived from soybeans, which are a common allergen in some pets. Relevant for allergy-prone pets.Sources: NRC 2006 · AAFCO ingredient definitions

18Iodized SaltSalt▾

● Contextual noteAn essential mineral present in all pet food. Flag only when appearing high on the ingredient list.Sources: NRC 2006

19L-Lysine▾

● Standard ingredientAn essential amino acid added as a standard supplement.

20Fish OilEPA + DHA (marine-source omega-3)▾

● Beneficial (well-established)Marine-source omega-3 fatty acids associated with anti-inflammatory, skin/coat health, joint support, cognitive function, and cardiac and renal support in multiple peer-reviewed studies.Sources: Bauer 2011 JAVMA · NRC 2006 · Multiple RCTs in dogs for skin/joint conditionsPosition on the ingredient list suggests a small inclusion level.

21Pressed CranberriesCranberry / cranberry extract▾

● Beneficial (supported)Contains proanthocyanidins, which some studies have associated with urinary tract health; most of that evidence comes from dogs and humans.Sources: Howell 2007Position on the ingredient list suggests a small inclusion level.

22vitamins (Vitamin E Supplement, L-Ascorbyl-2-Polyphosphate (source of Vitamin C), Thiamine Mononitrate, Niacin Supplement, Vitamin A Supplement, Calcium Pantothenate, Biotin, Pyridoxine Hydrochloride, Vitamin B12 Supplement, Riboflavin Supplement, Folic Acid, Vitamin D3 Supplement, Menadione Sodium Bisulfite Complex (source of Vitamin K))13 components · 1 under research review▾

● Standard ingredientA generic term for a vitamin premix. Where the label lists the specific vitamins in brackets, each is shown and classified below; otherwise the individual vitamins are not disclosed.Sources: AAFCO ingredient definitions

The label breaks this entry into components, each classified on its own:

Menadione Sodium Bisulfite Complex (source of Vitamin K: A synthetic form of vitamin K that is not authorised for human food or supplement use in the US or EU, with organ effects reported at high doses. Natural alternatives (K1, K2) are available. AAFCO panel found it acceptable in pet food at approved levels.Sources: EFSA 2014 vitamin K opinion · EU Directive 2002/46/EC · AAFCO expert panel review

23TaurineTaurine (supplemental)▾

● Beneficial (well-established)Taurine is an essential amino acid for cats. Deficiency can cause serious health consequences including dilated cardiomyopathy, central retinal degeneration, and reproductive failure.Sources: Pion et al. 1987 · NRC 2006 · Freeman et al. 2018Position on the ingredient list suggests a small inclusion level.

24Pumpkin▾

● Beneficial (supported)A source of soluble fibre widely recommended by veterinarians for digestive support.Sources: NRC 2006 · Veterinary digestive health referencesPosition on the ingredient list suggests a small inclusion level.

25minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite)6 components▾

● Standard ingredientA generic term for a mineral premix. Where the label lists the specific mineral compounds in brackets, each is shown and classified below; otherwise the individual minerals are not disclosed. European-style labels declare added trace minerals as numbered additives with doses (e.g. "E4 (copper): 10 mg").Sources: AAFCO ingredient definitions

The label breaks this entry into components, each classified on its own:

26DL-Methionine▾

● Contextual noteAn essential amino acid commonly added to pet food. Also functions as a urinary acidifier (lowers urine pH). Veterinary sources note it should be used with caution in pets with kidney disease, pancreatic disease, or liver insufficiency. Not recommended for kittens.Sources: VCA Animal Hospitals · PetMD veterinary reference · NRC 2006

27Calcium CarbonateCalcium salts▾

● Standard ingredientA standard added calcium (mineral) supplement.Sources: NRC 2006

28Dicalcium PhosphateCalcium phosphates▾

● Standard ingredientA standard added calcium and phosphorus (mineral) supplement.

29Mixed Tocopherols for freshnessMixed tocopherols (natural preservative)▾

● Beneficial (emerging)This product uses mixed tocopherols (natural vitamin E) as a preservative, which is an alternative to synthetic preservation systems.Sources: NRC 2006Position on the ingredient list suggests a small inclusion level.

30Natural FlavorsNatural flavours▾

● Contextual noteA broad AAFCO-defined category that may contain multiple unspecified compounds. Relevant for allergy-prone pets since potential allergens may not be individually listed.Sources: AAFCO 2024

31Beta-Carotene▾

● Beneficial (emerging)Cats cannot convert beta-carotene to vitamin A and must obtain preformed vitamin A from animal sources.Sources: Chew et al. 2000 (Journal of Nutrition)Position on the ingredient list suggests a small inclusion level.