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The short answer: Holistic Select takes this one with an A (90/100) to Wellness's B (82/100) under the v15 rubric — an 8-point gap. Here's the twist — they're made by the same parent company (WellPet). Holistic Select wins on triple protein diversity (sardine + chicken + salmon meals), live probiotics, and triple omega sources (anchovy oil + salmon oil + flaxseed). Wellness fights back with cleaner protein positioning (deboned turkey at #1) and joint-support supplements. The 8-point gap shows that ingredient breadth and functional fortification beat a turkey-first headline under v15.

The scores

Holistic Select Adult Health Anchovy, Sardine & Salmon Meal: A (90/100) — Triple fish protein meals (sardine, chicken, salmon), triple omega sources (anchovy oil, salmon oil, flaxseed), live probiotics, and superfoods from pumpkin to blueberries.

Wellness Complete Health Adult Deboned Chicken & Oatmeal: B (82/100) — Deboned turkey leads, followed by chicken meal, with oatmeal and quality grains providing the carb base. A clean, well-balanced mainstream premium formula with glucosamine and chondroitin.

How the ingredients compare

The top five ingredients reveal where these sister brands diverge:

Holistic Select: Sardine Meal, Brown Rice, Oatmeal, Chicken Meal, Pearled Barley

Wellness: Deboned Turkey, Chicken Meal, Oatmeal, Ground Barley, Peas

Wellness puts a whole meat (deboned turkey) in the #1 spot followed immediately by chicken meal at #2 — two animal proteins in the first two positions. Holistic Select leads with sardine meal at #1 but then hits two grains before reaching chicken meal at #4. Despite having more total protein sources, Holistic Select's formula is more grain-heavy in its top five.

Where Holistic Select pulls ahead

Protein positioning: Deboned turkey at #1 and chicken meal at #2 means animal protein dominates the top of the formula. Holistic Select has three grains in its top five (brown rice, oatmeal, pearled barley) versus Wellness's one (oatmeal at #3). The protein-first approach gives Wellness a stronger nutritional foundation.

Joint support: Wellness includes glucosamine and chondroitin — joint health supplements that are especially valuable for large breed and aging dogs. Holistic Select doesn't include them. This is a meaningful functional advantage for dogs with mobility concerns.

Simpler, proven formula: Wellness has a shorter ingredient list with fewer potential allergens. For dogs with sensitive stomachs, simplicity can be an advantage. Wellness is also one of the best-selling premium dog foods in America, widely available at PetSmart, Petco, Chewy, and Amazon. Shop on Amazon →

Where Wellness holds its own

Protein diversity: Three named protein meals from different species (sardine, chicken, salmon) plus dried egg product provide a broader amino acid profile than Wellness's turkey-and-chicken combination. More protein sources means more nutritional coverage.

Omega fatty acid coverage: Anchovy oil, salmon oil, and flaxseed provide triple omega sources — marine EPA/DHA from two different fish oils plus plant-based ALA. For dogs with skin, coat, or joint concerns, Holistic Select's omega profile is stronger.

Digestive support: Live Lactobacillus and Bifidobacterium probiotic cultures, prebiotic chicory root, pumpkin, papaya, and aloe vera create a comprehensive digestive support system that Wellness doesn't offer. For dogs with chronic digestive issues, this is Holistic Select's strongest card. Shop on Amazon →

The bottom line

Holistic Select earns the higher score under v15 on the strength of triple protein diversity, triple omega coverage, and a live probiotic system — features that compound into a meaningful 8-point edge over Wellness's protein-first formula. Wellness still has a genuinely strong case: cleaner protein positioning at the very top of the deck, joint-support supplements, and a wider retail footprint. For dogs with digestive sensitivities or skin/coat concerns, Holistic Select's omega-and-probiotic stack is the better fit. For dogs without those concerns and owners who prefer a turkey-first protein lead with joint support, Wellness's mainstream availability and balanced formulation still recommend it — both come from the same parent company.