Dog food comparison tool

Hill's k/d Kidney Care with Chicken Dry Dog Food | Hill's Prescription Diet vs Royal Canin Canine Renal Support A | Dog food comparison

Compare ingredient differences and practical choice guidance. Replace A or B to explore another candidate.

A · Food to compare

Hill's

k/d Kidney Care with Chicken Dry Dog Food | Hill's Prescription Diet

B · Food to compare

Royal Canin

Canine Renal Support A

Compared using current public information

What matters for this choice

This pair includes a special-purpose diet. Check its intended purpose and your veterinarian’s feeding instructions before treating it as a replacement for an everyday food.

Nutrient checks to review

These are existing public-review checks under general reference criteria, not an assessment of your dog’s health or growth requirements.

  • A · Calcium:Phosphorus Ratio — Calcium is relatively high here.
  • B · Calcium:Phosphorus Ratio — Calcium is relatively high here.

Who is it made for?

A

Hill's k/d Kidney Care with Chicken Dry Dog Food | Hill's Prescription Diet

Special-purpose diet — follow veterinary direction · Daily food · Adult · Kibble (Extruded)

B

Royal Canin Canine Renal Support A

Special-purpose diet — follow veterinary direction · Daily food · Adult · Kibble (Extruded)

If the intended use matches, compare the ingredients below with foods your dog has previously eaten well.

Animal protein: sources and forms

A

Hill's k/d Kidney Care with Chicken Dry Dog Food | Hill's Prescription Diet

Named animal protein in the first five entries: Chicken (#5). Clearly identified animal protein sources are a strength of this label. Chicken (#5): meat/fish ingredients. Fresh meat is weighed with its water; first place does not mean it supplies more protein than a dried ingredient. Egg Product (#7): eggs are another animal protein source, distinct from meat. Chicken Fat (#2), Fish Oil (#10), Soybean Oil (#14): fat/oil sources. An animal name in a fat ingredient does not make it an additional meat-protein source.

B

Royal Canin Canine Renal Support A

No animal protein ingredient is identified in the first five available entries. Egg Powder (#9): eggs are another animal protein source, distinct from meat. Hydrolyzed Animal Protein (#6): the animal species, tissues or mixture are less specific. This is a weakness when your priority is identifying exactly which animal ingredients are used. Hydrolyzed Animal Protein (#6): proteins broken into smaller fragments. This differs from intact meat; the ingredient name alone does not make the finished food an allergy diet. Animal Fat (#3), Fish Oil (#11), Soybean Oil (#12): fat/oil sources. An animal name in a fat ingredient does not make it an additional meat-protein source.

The differing animal protein sources are: A: Chicken, Egg Product / B: Hydrolyzed Animal Protein, Egg Powder. Check the named sources and forms against ingredients you need to avoid; shared names do not establish quantities or digestibility.

Is protein supplemented with plant ingredients?

A

Hill's k/d Kidney Care with Chicken Dry Dog Food | Hill's Prescription Diet

Corn Protein Meal (#9): separated or concentrated plant protein that contributes to the declared crude protein. This is a different ingredient role from whole grains or pulses. If you want to avoid added plant protein, this food does not meet that preference.

B

Royal Canin Canine Renal Support A

Maize Gluten (#4), Soy Protein Isolate (#5): separated or concentrated plant protein that contributes to the declared crude protein. This is a different ingredient role from whole grains or pulses. Plant protein sources account for 2 of the first five entries. This matters if you want animal-protein-focused food: a high crude-protein percentage is not a meat-content percentage.

Therapeutic diets may select protein sources for allergy or disease management. Follow the prescribed feeding purpose rather than replacing a diet solely because it contains plant protein.

What supplies carbohydrates and fiber?

A

Hill's k/d Kidney Care with Chicken Dry Dog Food | Hill's Prescription Diet

Brewers Rice (#1), Brown Rice (#3), Whole Grain Sorghum (#4), Whole Grain Oats (#18): primarily carbohydrate energy sources, also contributing the protein and fiber naturally present in the ingredient. Dried Beet Pulp (#6): supplies dietary fiber, contributing to the food’s fiber composition rather than supplementing protein.

B

Royal Canin Canine Renal Support A

Rice (#1), Maize Flour (#2): primarily carbohydrate energy sources, also contributing the protein and fiber naturally present in the ingredient. Plant Fiber (#10): supplies dietary fiber, contributing to the food’s fiber composition rather than supplementing protein.

The differing carbohydrate energy sources are: A: Brewers Rice, Brown Rice, Whole Grain Sorghum, Whole Grain Oats / B: Rice, Maize Flour. The differing dietary fiber sources are: A: Dried Beet Pulp / B: Plant Fiber. The choice is whether to retain a familiar carbohydrate source or avoid a particular ingredient.

Some panels lack verified complete coverage. We do not claim an ingredient is absent or the recipes are identical for those products.

The editor’s ingredient insights

A · Hill's

k/d Kidney Care with Chicken Dry Dog Food | Hill's Prescription Diet

Hill’s k/d Kidney Care Chicken starts with brewers rice, chicken fat, and brown rice, with low protein, phosphorus, and sodium but high fat/calories. I would use it only for veterinarian-guided kidney support, not general high-protein or low-fat feeding.

Commentary reviewed 2026-09-22

B · Royal Canin

Canine Renal Support A

Royal Canin Renal Support A starts with rice, corn flour, animal fat, corn gluten, and soy protein, so it should not be judged as a general ingredient-upgrade food. It is a kidney-support prescription diet built around 16% protein, 0.2% phosphorus, 0.2% sodium, and 0.7% potassium; I would only consider it under veterinary direction, not for healthy dogs.

Commentary reviewed 2026-09-22

Your next step

A · Hill's k/d Kidney Care with Chicken Dry Dog Food | Hill's Prescription Diet

Product details

Follow veterinary feeding instructions rather than a general calculator.

B · Royal Canin Canine Renal Support A

Product details

Follow veterinary feeding instructions rather than a general calculator.

Affiliate links are disclosed in the purchase options. Commissions do not determine this comparison’s order or interpretation.

Reference: analysis scores, nutrients and ingredient evidence

Scores and nutrients are reference information. Meaningful differences in intended use and ingredients matter more than small numerical gaps.

Key nutrient comparison

Compare protein, fat, fiber, ash, moisture, phosphorus, sodium, and calories in the same modal. Undisclosed values are shown as empty bars.

Hill's

Royal Canin

  • Protein

    15.6 %

    16.0 %

  • Fat

    21.1 %

    18.0 %

  • Fiber

    1.50 %

    2.20 %

  • Ash

    Undisclosed

    Undisclosed

  • Moisture

    Undisclosed

    Undisclosed

  • Phosphorus

    0.29 %

    0.20 %

  • Sodium

    0.17 %

    0.20 %

  • Calories

    3991 kcal/kg

    3995 kcal/kg

Score basis comparison

A · k/d Kidney Care with Chicken Dry Dog Food | Hill's Prescription Diet

Label analysis 1/5 · 3991 kcal/kg

Brewers Rice, Chicken Fat, Brown Rice, Whole Grain Sorghum, Chicken, Dried Beet Pulp, Egg Product, Hydrolyzed Chicken Flavor, Corn Protein Meal, Fish Oil, Pork Liver Flavor, Calcium Carbonate, Lactic Acid, Soybean Oil, L-Lysine, Potassium Chloride, Betaine, Whole Grain Oats, DL-Methionine, Fructooligosaccharides (FOS), vitamins, Potassium Citrate, Choline Chloride, L-Threonine, Iodized Salt, Taurine, minerals, L-Tryptophan, L-Carnitine, Magnesium Oxide, Mixed Tocopherols, Natural Flavors, Beta-Carotene.

ingredients-1879 · db_list:33ffb554

B · Canine Renal Support A

Label analysis 1/5 · 3995 kcal/kg

쌀, 마이즈 분말, 동물성 지방, 마이즈 글루텐, 콩 단백질 분리물, 가수분해 동물 단백질, 사탕무 과육, 미네랄, 달걀 분말, 식물성 식이섬유, 생선 오일, 콩 오일, 프럭토-올리고당(FOS), 녹차 추출물(폴리페놀의 원료), 금잔화 추출물(루테인의 원료)

ingredients-1882 · db_list:ca78fa2a