Label analysisGrade DListed ingredientsKibble (Extruded)

Hill's

Hill's r/d Chicken Flavor Dry Dog Food | Hill's Prescription Diet

Choosing for your dog
Editor ingredient insight

Hill’s r/d Chicken starts with whole grain corn, corn gluten meal, and chicken by-product meal, followed by powdered cellulose, soybean meal, and soybean mill run.

It is worth considering for veterinary-guided weight loss where satiety and low fat matter more than ingredient appeal.

It discloses 33.9% protein, 8.6% fat, 2,943 kcal/kg, 0.83%/0.56% calcium/phosphorus, 0.3% sodium, and 612.9 IU/kg vitamin E, so the weight-loss design is clear.

I would not choose it for corn, soy, by-product, or pork-liver-flavor avoidance, or as a premium daily food for healthy dogs.

Plant booster present
Illustration of chicken beside a dog-food bowl
Primary protein ingredient · Chicken

01. NUTRIENT PROFILE

Key nutrients & mineral profile

As-fed basis
Disclosed protein and fat
Protein 33.9%Fat 8.6%Other 57.5%Other includes moisture, ash and remaining components.
Position within the same processing type

Compare protein, fat and energy density in low, typical and high bands.

Protein positionHigher

This food is on the higher side for crude protein among extruded foods.

Fat positionLower

This food is on the lower side for crude fat among extruded foods.

Calorie densityLower

This food is on the lower side for calorie density among extruded foods. That alone does not make it a weight-management diet; check portion guidance, fat, and fiber together.

Key guaranteed nutrientsAs-fed
Calcium0.83%
Phosphorus0.56%
Crude fiberNot disclosed
Omega-30.35%
Omega-62.63%

Undisclosed values are not treated as zero.

02. INGREDIENT QUALITY & DISCLOSURE

Disclosed ingredients & ingredient grade

The analysis uses the registered ingredients. Complete-panel coverage is not verified, so an unlisted ingredient cannot be assumed absent.

Listed ingredients

Read the listed ingredients below. Complete-panel coverage is not verified here; do not infer that an unlisted ingredient is absent.

Chicken ingredient illustration
Primary protein ingredient · Chicken
D1.5/6Ingredient gradeConservative
Ingredient #1 · Whole Grain CornUpper
Whole Grain
Ingredient #2 · Corn Gluten MealLowest
Processed Plant Protein
Ingredient #3 · Chicken By-Product MealLowest
By-product Meal
Ingredient #1Upper

Whole Grain Corn

Whole Grain Corn is a whole or coarse grain ingredient. It usually plays more of a carbohydrate and fiber role than a core protein role. It reads as an upper-tier carb and fiber source.

Ingredient #2Lowest

Corn Gluten Meal

Corn Gluten Meal is a processed plant-protein booster. It can lift crude protein without the same animal-protein share, so the animal-protein read should stay separate. It reads as an bottom-tier plant protein booster.

Ingredient #3Lowest

Chicken By-Product Meal

Chicken By-Product Meal is a by-product meal. It can still contribute protein, but the primary-ingredient read should stay conservative. It reads as an bottom-tier protein source.

Available ingredient listIn disclosed order
Whole Grain Corn — Neutral ingredientsCorn Gluten Meal — High-caution ingredientsChicken By-Product Meal — High-caution ingredientsPowdered Cellulose — Neutral ingredientsSoybean Meal — High-caution ingredientsSoybean Mill Run — Caution ingredientsChicken Liver Flavor — Support positive ingredientsDried Beet Pulp — Support positive ingredientsPork Liver Flavor — Support positive ingredientsSoybean Oil — Neutral ingredientsLactic Acid — Neutral ingredientsCaramel color — Neutral ingredientsFlaxseed — Neutral ingredientsChicken Fat — Neutral ingredientsL-Lysine — Neutral ingredientsCalcium Carbonate — Neutral ingredientsPotassium Chloride — Support positive ingredientsCholine Chloride — Support positive ingredientsPotassium Citrate — Support positive ingredientsIodized Salt — Neutral ingredientsvitamins (Vitamin E Supplement, L-Ascorbyl-2-Polyphosphate (source of Vitamin C), Niacin Supplement, Thiamine Mononitrate, Vitamin A Supplement, Calcium Pantothenate, Riboflavin Supplement, Biotin, Vitamin B12 Supplement, Pyridoxine Hydrochloride, Folic Acid, Vitamin D3 Supplement) — Support positive ingredientsDL-Methionine — Neutral ingredientsminerals (Manganese Sulfate, Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Calcium Iodate, Sodium Selenite) — Support positive ingredientsTaurine — Support positive ingredientsMixed Tocopherols for freshness — Neutral ingredientsNatural Flavors — Support positive ingredientsL-Carnitine — Support positive ingredientsBeta-Carotene. — Neutral ingredients
Primary positive ingredientsSupport positive ingredientsAlternative proteinNeutral ingredientsCaution ingredientsHigh-caution ingredients
Protein sourceIngredient guide

Unclear animal protein source

Animal protein · Chicken By-Product Meal (#3)

Plant protein · Corn Gluten Meal (#2), Soybean Meal (#5), Soybean Mill Run (#6)

Animal-based does not always mean clearly sourced.

Unspecified animal protein is read conservatively.

Included support ingredientsNutrient guide
TaurineHeart support ingredientL-carnitineHeart and weight support ingredientOmega-3Skin and joint support ingredientOmega-6Skin and coat support ingredientVitamin EAntioxidant and skin support ingredient

03. CHOOSING FOR YOUR DOG

What to consider before feeding

This is a prescription-diet candidate for weight management. Read purpose fit and veterinary guidance before treating it as a standard star-ranked food.

What works well in this food

  • Crude Protein, Crude Fat, Calories are disclosed, so calorie density, fat load, and satiety-support context can be compared.
  • Crude protein is on the higher side.
  • Calorie density is on the lower side.
  • Top ingredients do not show a prominent FDA-investigated non-hereditary DCM ingredient profile.

Check before feeding

  • By-product meal is a rendered ingredient that can include parts such as heads, feet, and organs. It can still provide protein, but it is harder to tell exactly what parts are included and in what proportion, so ingredient transparency is read more conservatively.
  • Plant proteins can lift crude protein on the label, but the real animal-protein share still needs a closer check.
  • By-product meal and grains both sit high in the recipe, so this does not read as a meat-centered formula.

When this food fits your dog

Prescription purpose: weight management.

Consider it first when

  • Public-data-first comparison
  • Baseline shortlist building
  • Conservative first-pass screening

Choose another food first when

  • You want a stronger ingredient-quality story first
  • You need dog-specific fit instead of public-review screening

Plant-protein concentration remains the clearest trade-off here.

04. COMPARE FOODS

weight management prescription alternatives

Compare weight management prescription diets first. For therapeutic diets, clinical fit and veterinary direction matter more than a standard score.

05. MANUFACTURING & DISCLOSURE

Manufacturer background & public information

Hill's background

Founded in 1907 in the United States.

Disclosure confidence C1

There is a usable disclosure baseline, but the public record is still fairly thin.

Recall information

This brand has a confirmed recall history. The most recent public recall noted here was the 2019 vitamin D incident.

May 12, 2026

Final word

Interpret this for my dog

The food-first public score is only the starting point. Once your dog’s activity, weight goals, life stage, and health status are applied, the recommendation order and interpretation can change.

Treat this review as an early screen. If the food stays interesting, verify it again with your dog-specific context before acting.