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Hill's Prescription Diet i/d Digestive Care Stress Chicken Flavor Dry Dog Food, 8-lb bag
Hill's Prescription Diet

i/d Digestive Care Stress Chicken Flavor Dry Dog Food, 8-lb bag

Evidence Fair
AAFCO compliance inferred from product name
dry $8.37/lb

Graded by The Sniff System

In plain English

Hill's Prescription Diet i/d Digestive Care Stress Chicken Flavor is a dry food, featuring chicken and chicken by-products, formulated for digestive care.

This formula provides reasonable protein quality, with brewers rice contributing to a solid amino acid profile. It also uses quality carbohydrate sources that include fermentable fiber. The product has AAFCO feeding trial substantiation, which is a strong indicator of its nutritional completeness.

Nothing concerning in the deck.

Good fit for dogs needing digestive support or stress management. Nothing serious working against it.

Summary written by The Sniff System from the data above. Same rubric, same drivers, expressed in English.

Who this is for

The landmark 14-year Purina Lifespan Study on 48 Labrador Retrievers demonstrated that dogs fed 25% fewer calories lived a median of 1.8 years longer and delayed the onset of chronic diseases. Strong fit for adult Labrador Retrievers navigating weight management. At 300 kcal/cup this formula runs on the lean side, with crude fiber at 4% (above the catalog median, supports satiety). According to the Association for Pet Obesity Prevention's 2023 survey, 59% of dogs in the United States were classified as overweight or obese by their veterinary healthcare professional, representing an estimated 55 million dogs  (APOP, 2023) .

Looking at this for adult Labrador Retrievers or Labrador Retrievers with weight management ? We are building dedicated pages for these combinations.

Auto-matched from this product's measurements (ingredients, life stage, calorie density) to a breed archetype. Not a substitute for vet input on your specific dog.

Research informing this analysis

Methodology

The Sniff System grades this product against 3 cited studies relevant to its profile. Each link opens the original source.

Every claim on Sniff traces to a source. If you find a citation that's wrong, outdated, or misapplied, tell us.

Why this score

At 66/100, this formula lands in solid B territory. The lift comes from protein quality, worth 18.5 points to the final number: Reasonable protein quality. brewers rice delivers solid amino acid coverage. Secondary contribution comes from carbohydrate quality (+13 points). Quality carbohydrate sources with fermentable fiber. The 9-point gap to the A-tier line is concentrated in protein quality (18.5 of 27 possible). Full protein quality requires named-species named-cut proteins in the top of the deck (e.g., "deboned chicken" rather than "chicken meal" or "poultry meal").

What lifted the score

Reasonable protein quality. brewers rice delivers solid amino acid coverage.

PQI

Quality carbohydrate sources with fermentable fiber.

CQI

AAFCO feeding trial substantiation for not stated.

ACF
What pulled it down

No negative drivers crossed our reporting threshold.

What sets this apart
  • Bottom 1% for DMB fat in grain-inclusive dry kibbles (5.6%)
  • Top quartile for protein quality in Hill's Prescription Diet's lineup (18.5/27)
  • Bottom 5% for caloric density in dry kibbles (300 kcal/cup)

Computed against the rest of our catalog. Percentiles refresh on each catalog update.

Similar dog foods worth considering

Three lenses on products with formulation profiles similar to this one.

Surfaced from a vector similarity search across 3,491 scored dog foods. How this works.

Guaranteed analysis
Dry-matter protein: 23%
Protein
21%
min (as fed)
Fat
5%
min (as fed)
Fiber
4%
max (as fed)
Moisture
10%
max
Ingredients

Read why each ingredient is good or bad for dogs.

71 total
Good Neutral Watch Flagged
  1. 1
    brewers rice

    Broken rice kernels left over from milling, usually destined for human beer-making. Cheaper than whole or even white rice. Same carbs, less nutrition than the brown version. See why →

    Position 1 grain: primary carbohydrate base. This is a grain-inclusive formula with brewers rice as the dominant carb.

  2. 2
    corn gluten meal

    Concentrated corn protein. Inflates the protein percent on the label without matching meat-quality amino acids.

    Position 2: plant protein in the top 5. Stacked with animal protein, can inflate the crude protein number without matching the amino-acid quality of named animal sources.

  3. 3
    chicken meal

    Chicken with the water cooked out. Per pound, packs more protein than fresh chicken. See why →

    Position 3: significant protein contributor. Adds amino-acid diversity to the top of the deck.

  4. 4
    chicken by-product meal

    Ground organs, bone, and tissue. Nutritionally dense, especially the liver and gizzard fractions. Named species ('chicken') is what matters. Generic 'poultry by-product meal' is the one to worry about. See why →

    Position 4: significant protein contributor. Adds amino-acid diversity to the top of the deck.

  5. 5
    hydrolyzed chicken flavor

    Hydrolyzed chicken used as a palatability enhancer. Real ingredient, tiny inclusion, no quality signal either way.

  6. 6
    flaxseed

    Plant source of omega-3. Helpful for skin and coat, though dogs absorb omega-3 from fish more efficiently.

    Position 6: secondary fat. Often where marine oils sit when present alongside a primary land-animal fat.

  7. 7
    chicken fat

    Despite the name, a high-quality energy source. Concentrated calories plus essential fatty acids like linoleic acid. See why →

    Position 7: trace fat. Below the level that materially shifts the fat profile.

  8. 8
    ground pecan shells
  9. 9
    pork liver flavor

    Hydrolyzed pork liver used as a flavor enhancer. Same role as chicken liver flavor.

    Position 9. Functional organ inclusion. Adds amino acids and micronutrients even at smaller weight.

  10. 10
    lactic acid

    Natural acid used as a mild preservative and pH adjuster. Found in fermented foods too. Safe at typical inclusion.

  11. 11
    fish flavor
  12. 12
    ginger

    Real spice. Some anti-nausea evidence in humans, but the dose in kibble is small. Mostly for flavor.

  13. 13
    dried beet pulp

    Soluble fiber from sugar-beet processing. Sometimes treated as a filler, but it's actually one of the better fiber sources in kibble. See why →

    Position 13: trace fiber inclusion.

  14. 14
    salt

    Sodium chloride. Required at small doses for normal physiology. Not a quality concern in standard amounts.

  15. 15
    potassium citrate

    Source of potassium. Sometimes added in urinary-support formulas to help manage urine pH.

  16. 16
    dried citrus pulp
  17. 17
    potassium chloride

    Required mineral. Sometimes used as a salt substitute. Standard inclusion in complete diets.

  18. 18
    choline chloride

    Essential nutrient for liver and brain function. Standard inclusion in complete dog foods.

  19. 19
    calcium sulfate

    Source of calcium. Functional, required for AAFCO-complete formulas.

  20. 20
    dicalcium phosphate

    Calcium and phosphorus combined. Required source of both minerals, especially in formulas without much bone content.

  21. 21
    glyceryl monostearate
  22. 22
    pressed cranberries
  23. 23
    l-lysine

    Essential amino acid. Plant-protein-heavy formulas sometimes add it to round out the amino acid profile.

  24. 24
    dried hydrolyzed casein
  25. 25
    taurine

    Amino acid critical for heart health. Especially important in grain-free or pulse-heavy formulas where natural taurine precursors run thin.

Showing first 25 of 71. Position 1-5 has the largest weight in the recipe.

19 of 25 ingredients have a curated note. Coverage grows over time.