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The short answer: Acana wins by 12 points on the v15 rubric (A/90 vs B/78) — meaningful gap reflecting Acana's biologically-appropriate multi-protein formulation depth (beef + pork + beef meal + pork meal + lamb + organ meats + freeze-dried protein inclusions) against 4Health's single-source salmon LID structure. 4Health Adult Salmon & Potato Grain-Free is a Tractor Supply private-label salmon-and-potato limited ingredient diet (LID) manufactured by Diamond Pet Foods: salmon + salmon meal in the dual-protein lead, potatoes and peas as the carb / fiber base, potato starch as the binding starch, plus the supplement panel. The formula is designed for chicken-sensitive or grain-sensitive dogs at deep budget pricing. Acana Red Meat Recipe is Champion Petfoods' grain-free multi-protein biologically-appropriate kibble: beef + pork as fresh leads, beef meal + pork meal as concentrated dried-protein, lamb at position #12 (recently reformulated — lamb dropped from #3 to #12 in the 2026-04 reformulation, lentils + pinto beans + green peas now top 4-6), beef organ meats (tripe, liver, kidney) and pork organ meats (liver, kidney) in the upper-mid panel, plus freeze-dried beef + pork + lamb protein inclusions. The 12-point gap reflects Acana's multi-protein animal-source diversity and organ-meat inclusion against 4Health's single-source LID structure — appropriate for different feeding scenarios.

The scores

4Health Adult Salmon & Potato Formula Grain-Free: B (78/100) — Salmon, Salmon Meal, Potatoes, Peas, Potato Starch.

Acana Red Meat Recipe: A (90/100) — Beef, Pork, Beef Meal, Whole Red Lentils, Whole Pinto Beans.

How the ingredients compare

The top-five ingredients reveal the formulation split between these two products:

4Health: Salmon, Salmon Meal, Potatoes, Peas, Potato Starch

Acana: Beef, Pork, Beef Meal, Whole Red Lentils, Whole Pinto Beans

The 12-point gap (Acana wins by 12 points) shows where the v15 rubric weights ingredient breadth, protein density, and supplement depth differently.

Where 4Health pulls ahead

Roughly 2.5× cheaper per pound — Tractor Supply private-label pricing at $30-35 for a 30-pound bag: 4Health Adult Salmon & Potato typically sells at $30-35 for a 30-pound bag at Tractor Supply (~$1.00-1.17 per pound). Acana Red Meat typically sells at $70-80 for a 25-pound bag at PetSmart, Petco, or Chewy (~$2.80-3.20 per pound). For a 50-pound adult dog, the daily food cost difference is roughly $0.50 — about $180 per year in raw food cost. For households on tight budgets or multi-dog households, 4Health's B/78 rubric score at this price point is structurally hard to beat in the salmon-LID category. The trade-off: TSC distribution means you need a Tractor Supply store nearby or willingness to order from TractorSupply.com; 4Health is not stocked at PetSmart, Petco, Amazon, or Chewy. Shop on Amazon →

Single-source salmon LID structure — appropriate for dogs with chicken or grain sensitivities OR active elimination-diet diagnostics: 4Health Adult Salmon & Potato is a true limited ingredient diet (LID) with salmon as the only animal protein source (salmon + salmon meal), potato + pea + potato starch as the carb base, and minimal supplemental ingredients. The LID structure makes it appropriate for: (1) dogs with confirmed chicken or poultry sensitivities; (2) dogs under active veterinary-supervised elimination-diet diagnostics (which require strict ingredient simplicity to interpret symptom response); (3) dogs with documented grain sensitivities. Acana Red Meat is multi-protein (beef + pork + beef meal + pork meal + lamb + multiple organ meats) — appropriate for general feeding but explicitly NOT a limited ingredient diet. For dogs with identified protein-source sensitivities or under active elimination-diet protocols, 4Health's structural simplicity is the diagnostically-appropriate pick; Acana is not.

Diamond Pet Foods manufacturing footprint + Tractor Supply distribution — widely accessible in rural and farm-and-ranch markets: 4Health is manufactured by Diamond Pet Foods at owned-and-operated facilities (Meta MO, Lathrop CA, Gaston SC, Ripon WI) and distributed exclusively through Tractor Supply Company's ~2,200 stores across 49 US states — meaningfully oriented toward rural, suburban-rural, and farm-and-ranch markets where pet specialty retailers (PetSmart, Petco) may be scarce. For owners in rural or rural-adjacent markets, 4Health may be the highest-quality option practically available without long-distance travel or Chewy delivery. Acana distributes through pet specialty retail (PetSmart, Petco, Chewy, independent pet stores) — broader urban / suburban access but less rural penetration.

Where Acana holds its own

Multi-protein beef + pork + lamb structure with organ-meat inclusion — deeper animal-source diversity than single-source LID: Acana Red Meat leads with beef + pork as fresh-protein anchors immediately backed by beef meal + pork meal (concentrated dried-protein forms) and includes lamb plus beef tripe, beef liver, beef kidney, pork liver, and pork kidney as organ-meat panel positions in the upper formula. The structure delivers measurably deeper animal-protein diversity than 4Health's single-source salmon LID: three named mammalian proteins instead of one fish protein, broader amino acid profile, organ-meat preformed vitamin A + B12 + iron + folate density, plus the freeze-dried beef + pork + lamb supplemental protein inclusions. For owners specifically valuing multi-protein animal-source diversity, organ-meat inclusion, or biologically-appropriate WholePrey-style nutritional philosophy, Acana is structurally aligned. Shop on Amazon →

Champion Petfoods biologically-appropriate (BAFRINO) formulation + DogStar Kitchens Auburn KY single-source manufacturing: Acana is formulated under Champion Petfoods' BAFRINO philosophy (Biologically Appropriate, Fresh Regional Ingredients, Never Outsourced) and manufactured at Champion's owned-and-operated DogStar Kitchens facility in Auburn, Kentucky (US-market product) with regional ingredient sourcing from Kentucky-region farms, ranches, and fisheries. The single-kitchen single-brand manufacturing model means tight quality-control over ingredient handling and zero third-party co-packer involvement. 4Health is manufactured at Diamond Pet Foods facilities that also produce Kirkland Signature, Taste of the Wild, Diamond Naturals, Chicken Soup, and several other private-label brands — multi-brand shared-facility model rather than single-brand single-kitchen. For owners specifically valuing tight single-kitchen single-brand traceability, regional ingredient sourcing transparency, or Champion Petfoods' BAFRINO biologically-appropriate philosophy, Acana is structurally aligned.

Freeze-dried beef + pork + lamb protein inclusions — raw-style nutritional density baked into a kibble base: Acana Red Meat includes freeze-dried beef, freeze-dried pork, and freeze-dried lamb as supplemental protein inclusions in the formula. Freeze-drying preserves heat-sensitive nutrients (some enzymes, certain bioactive lipid forms, some B vitamins) that conventional hot-extrusion kibble manufacturing degrades. The freeze-dried inclusions deliver a small but meaningful raw-style nutritional density boost on top of the kibble base. The feature is part of Acana's Heritage / Wholesome-Grains / Singles line architecture across multiple recipes and contributes to the rubric scoring gap vs single-process kibble. 4Health uses standard hot-extrusion kibble processing throughout. For owners specifically valuing raw-style nutrient preservation, freeze-dried protein inclusions, or hybrid kibble + raw nutritional philosophy, Acana is structurally aligned.

The bottom line

Acana wins by 12 points (A/90 vs B/78) — meaningful gap driven by multi-protein animal-source diversity and biologically-appropriate formulation depth. Pick Acana Red Meat Recipe when multi-protein biologically-appropriate nutrition is the priority: beef + pork + lamb multi-source protein lead, organ-meat panel inclusion (beef tripe + beef liver + beef kidney + pork liver + pork kidney), freeze-dried protein inclusions, and Champion Petfoods DogStar Kitchens single-kitchen manufacturing. Pick 4Health Adult Salmon & Potato when the choice is driven by chicken or grain sensitivities (true LID structure), active elimination-diet diagnostics (ingredient simplicity matters), Tractor Supply distribution accessibility (rural / farm-and-ranch markets), or budget constraints (~2.5× cheaper per pound). The two products serve meaningfully different feeding scenarios — this isn't purely an "upgrade" decision but also a structural fit-to-purpose decision.