Weight Management Metabolite Formula Grain-Free Dry Dog Food, 24-lb bag
Graded by The Sniff System
Dr. Tim's Weight Management Metabolite Formula Grain-Free Dry Dog Food is a dry formula centered on chicken, designed for weight management.
It includes quality fat sources like chicken fat and marine oil, which provides beneficial EPA and DHA. The carbohydrate sources also offer good quality and fermentable fiber. Plus, ingredients like salmon meal and egg product add diverse, highly bioavailable protein.
Nothing concerning in the deck.
Good fit for adult dogs who need help managing their weight. Nothing serious working against it.
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. Strong fit for adult Labrador Retrievers and similar active sporting breeds navigating weight management. At 280 kcal/cup this formula runs on the lean side, with crude fiber at 8.5% (above the catalog median, supports satiety), and the product name signals a weight-management design. 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 If you find a citation that's wrong, outdated, or misapplied, tell us.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 65/100, this formula lands in solid B territory. The lift comes from fat quality, worth 12 points to the final number: Quality fat sources: named fat with marine oil (EPA and DHA source). Secondary contribution comes from carbohydrate quality (+12 points). Quality carbohydrate sources with fermentable fiber. The 10-point gap to the A-tier line is concentrated in protein quality (14 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").
Quality fat sources: named fat with marine oil (EPA and DHA source).
Quality carbohydrate sources with fermentable fiber.
Includes egg, named fish, or organ meat for diverse high-bioavailability protein.
No negative drivers crossed our reporting threshold.
- Lowest DMB fat in Dr. Tim's's lineup (11.1%)
- Top 4% for crude fiber in grain-free dry kibbles (9.4% DMB)
- Lowest caloric density in Dr. Tim's's lineup (280 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.

Dr. Tim's Heirloom Ancient Grains Fish Formula Dry Dog Food, 15-lb bag
Scores 15 points higher with a similar formulation profile.

Purina Pro Plan Adult Large Breed Weight Management Chicken & Rice Formula Dry Dog Food, 34-lb bag
$2.28/lb vs your seed's $3.67/lb (38% less) at a comparable score.

Merrick Grain-Free Dry Dog Food Healthy Weight Recipe, 4-lb bag
Beef instead of chicken, 3 points lower, different brand.
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.
- 1protein animalchicken meal
Chicken with the water cooked out. Per pound, packs more protein than fresh chicken. See why →
Position 1: primary protein source. After cooking removes water, this may drop in proportional weight, but it anchors the recipe.
- 2tapioca starch
Refined cassava starch, used as a binder. Easy to digest, low on nutrition.
- 3vegetablepotato
Standard white potato. Steady carb source, common starch in grain-free recipes.
Position 3: meaningful whole-food inclusion. Source of vitamins, antioxidants, or natural fiber.
- 4legumepeas
Cheap protein bulk. Fine in small amounts, but when peas stack with lentils and chickpeas in the top ingredients, it's the pattern the FDA flagged in its heart-disease investigation. See why →
Position 4. Within the FDA's top-5 DCM-pattern threshold. Especially notable if multiple pulses stack here.
- 5fiberpowdered cellulose
Plant fiber, often from wood pulp. Cheap bulk filler. Not harmful, but a tell that the recipe is reaching for inexpensive bulk.
Position 5: functional fiber for digestion or satiety.
- 6protein animalsalmon meal
Salmon cooked into a dry concentrate. Carries both protein and natural omega-3s in one ingredient. See why →
Position 6: supporting protein. Modest contribution to total protein weight.
- 7fatchicken 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.
- 8ground whole flaxseed
- 9protein animalegg product
Processed whole eggs. Same nutritional profile as fresh eggs, just shelf-stable.
Position 9: supporting protein. Modest contribution to total protein weight.
- 10dried porcine plasma
- 11othernatural flavor
Legal term for animal-derived flavoring, usually hydrolyzed liver or broth. Adds taste, says nothing about quality.
- 12mineralcalcium carbonate
Source of calcium. Functional. Required in complete dog foods, especially those without bone-in meat meals.
- 13vitaminvitamin e supplement
Required nutrient and a natural antioxidant. Often pulls double duty as a preservative.
- 14l-ascorbyl-2-polyphosphate
A stable form of vitamin C used in pet food. Provides antioxidant support and survives processing better than plain ascorbic acid.
- 15vitaminbiotin
B vitamin that supports skin and coat health. Required for AAFCO-complete formulas.
- 16vitaminniacin supplement
B vitamin (B3). Required in complete dog foods, added as a supplement to standardize the dose.
- 17vitamind-calcium pantothenate
B vitamin (B5). Standard inclusion in complete dog foods.
- 18vitaminriboflavin supplement
B vitamin (B2). Required in complete dog foods. The standardized form ensures consistent dosing.
- 19vitaminvitamin a supplement
Vitamin A in stable, standardized form. Required for vision, immune function, and growth.
- 20vitaminthiamine mononitrate
B vitamin (B1). Essential for nervous system function. Cooked-in vitamin loss is why thiamine is always added back.
- 21vitaminpyridoxine hydrochloride
B vitamin (B6). Essential for protein metabolism. Standard inclusion in complete formulas.
- 22vitaminvitamin d3 supplement
The active form of vitamin D dogs need. Required for calcium absorption and bone health.
- 23vitaminvitamin b12 supplement
Essential for red blood cell formation and neurological function. Plant ingredients lack B12, so it has to be added.
- 24vitaminfolic acid
B vitamin (B9), essential for cell function. Standard in complete dog foods.
- 25mineralsalt
Sodium chloride. Required at small doses for normal physiology. Not a quality concern in standard amounts.
Showing first 25 of 56. Position 1-5 has the largest weight in the recipe.
23 of 25 ingredients have a curated note. Coverage grows over time.
Dr. Tim's Metabolite Grain Free Dog Food is formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles for maintenance.