k/d Kidney Care with Lamb Dry Dog Food, 8.5-lb bag
Graded by The Sniff System
Hill's Prescription Diet k/d Kidney Care with Lamb Dry Dog Food is a dry food focused on kidney support, with lamb as a primary protein source.
This formula offers good protein quality, with brown rice contributing to a solid amino acid profile. It also includes quality carbohydrate sources with fermentable fiber and named fat sources like chicken fat and fish oil, which provides EPA and DHA.
The protein content is quite low at 13.3% on a dry matter basis, while fat is relatively high at 20%. This formulation is specific to kidney care, which often means restricted protein.
Good fit for dogs needing kidney support. Less ideal if your dog does not have specific kidney health needs.
Summary written by The Sniff System from the data above. Same rubric, same drivers, expressed in English.
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. Good fit for adult Labrador Retrievers and similar active sporting breeds navigating weight management. Caloric density is not declared, with crude fiber at 5% (above the catalog median, supports satiety). The 2014 AAHA Weight Management Guidelines define overweight as a Body Condition Score (BCS) of 6-7 on a 9-point scale. A score of 8 or 9 indicates obesity, representing 20-30% and >30% above ideal body weight, respectively (Brooks et al., 2014) .
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
MethodologyThe Sniff System grades this product against 3 cited studies relevant to its profile. Each link opens the original source.
- Brooks et al., 2014diagnostic · protocol · satiety· cited in 5 claims
- APOP, 2023prevalence
- Raffan et al., 2016genetics
Every claim on Sniff traces to a source. If you find a citation that's wrong, outdated, or misapplied, tell us.
At 49/100, this formula lands mid-pack. The lift comes from protein quality, worth 16.5 points to the final number: Reasonable protein quality. brown rice delivers solid amino acid coverage. The ceiling on this score is 49, set because the guaranteed analysis falls below AAFCO's minimum nutrient profile. The fix path: a formula update that meets AAFCO minimums. That would lift the cap and put this formula above the B-band line at 60.
Reasonable protein quality. brown rice delivers solid amino acid coverage.
Quality carbohydrate sources with fermentable fiber.
Quality fat sources: named fat with marine oil (EPA and DHA source).
- Top quartile for DMB fat in Hill's Prescription Diet's lineup (20.0%)
- Bottom quartile for overall Sniff Score in Hill's Prescription Diet's lineup (49/100)
- Top quartile for carb quality in Hill's Prescription Diet's lineup (16/16)
Computed against the rest of our catalog. Percentiles refresh on each catalog update.
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$2.16/lb vs your seed's $7.06/lb (69% less) at a comparable score.
Surfaced from a vector similarity search across 3,491 scored dog foods. How this works.
Read why each ingredient is good or bad for dogs.
- 1grainbrown rice
Whole grain that's easy to digest. Steady carb energy plus a little fiber.
Position 1 grain: primary carbohydrate base. This is a grain-inclusive formula with brown rice as the dominant carb.
- 2brewers 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 2: major carbohydrate source.
- 3fatchicken fat
Despite the name, a high-quality energy source. Concentrated calories plus essential fatty acids like linoleic acid. See why →
Position 3: primary fat source. Drives the formula's caloric density and omega-6 content.
- 4protein animallamb
Real meat. Often used for dogs with chicken or beef sensitivities. Slightly higher fat content than chicken.
Position 4: significant protein contributor. Adds amino-acid diversity to the top of the deck.
- 5protein plantsoybean meal
Concentrated soy protein. Cheap plant protein that pads the label number, common in budget formulas.
Position 5: 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.
- 6cracked pearled barley
Pre-cracked pearled barley for better digestibility. Same whole-grain story.
Position 6. Moderate inclusion. Contributes carbohydrate and some plant protein.
- 7fiberdried 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 7: functional fiber for digestion or satiety.
- 8protein animalegg product
Processed whole eggs. Same nutritional profile as fresh eggs, just shelf-stable.
Position 8: supporting protein. Modest contribution to total protein weight.
- 9hydrolyzed chicken flavor
Hydrolyzed chicken used as a palatability enhancer. Real ingredient, tiny inclusion, no quality signal either way.
- 10fatfish oil
Concentrated omega-3s. The reason 'EPA' and 'DHA' get to show up on the bag.
Position 10. Moderate marine-oil inclusion. Supplements EPA/DHA without being the primary fat.
- 11soybean oil
Plant oil. High in omega-6, which is required but commonly oversupplied. Fine in moderation.
Position 11: trace fat. Below the level that materially shifts the fat profile.
- 12pork liver flavor
Hydrolyzed pork liver used as a flavor enhancer. Same role as chicken liver flavor.
Position 12. Small organ inclusion. Functional but not a primary contributor to the protein profile.
- 13lactic acid
Natural acid used as a mild preservative and pH adjuster. Found in fermented foods too. Safe at typical inclusion.
- 14supplementl-lysine
Essential amino acid. Plant-protein-heavy formulas sometimes add it to round out the amino acid profile.
- 15mineralcalcium carbonate
Source of calcium. Functional. Required in complete dog foods, especially those without bone-in meat meals.
- 16calcium sulfate
Source of calcium. Functional, required for AAFCO-complete formulas.
- 17potassium citrate
Source of potassium. Sometimes added in urinary-support formulas to help manage urine pH.
- 18betaine
- 19grainoats
Whole grain. Steady energy, soluble fiber, and well-tolerated by most dogs.
- 20supplementdl-methionine
Essential amino acid. Often added when plant proteins dominate, since methionine is naturally lower in pulses than meat.
- 21mineralpotassium chloride
Required mineral. Sometimes used as a salt substitute. Standard inclusion in complete diets.
- 22fiberfructooligosaccharides
Prebiotic fiber, often called FOS. Feeds beneficial gut bacteria, similar in function to inulin.
- 23supplementcholine chloride
Essential nutrient for liver and brain function. Standard inclusion in complete dog foods.
- 24l-threonine
Essential amino acid. Sometimes added when plant proteins dominate, since threonine is naturally lower in plants than meat.
- 25mineralsalt
Sodium chloride. Required at small doses for normal physiology. Not a quality concern in standard amounts.
Showing first 25 of 38. Position 1-5 has the largest weight in the recipe.
24 of 25 ingredients have a curated note. Coverage grows over time.