The scores
Health Extension Original Chicken & Brown Rice: A (90/100) — Deboned Chicken, Chicken Meal, Brown Rice, Oatmeal, Chicken Fat.
Nutro Wholesome Essentials Adult Farm-Raised Chicken, Brown Rice & Sweet Potato: B (78/100) — Chicken, Chicken Meal, Whole Brown Rice, Brewers Rice, Split Peas.
How the ingredients compare
The top-five ingredients reveal the formulation split between these two products:
Health Extension: Deboned Chicken, Chicken Meal, Brown Rice, Oatmeal, Chicken Fat
Nutro Wholesome Essentials: Chicken, Chicken Meal, Whole Brown Rice, Brewers Rice, Split Peas
The 12-point gap (Health Extension wins by 12 points) shows where the v15 rubric weights ingredient breadth, protein density, and supplement depth differently.
Where Health Extension pulls ahead
Whole grains throughout, no refined rice byproducts: Health Extension uses whole brown rice, oatmeal, and pearled barley as the carbohydrate sequence — all whole grains. Nutro Wholesome Essentials uses whole brown rice at #3 but adds brewers rice at #4 (a refined-rice processing byproduct with stripped bran and germ). The v15 rubric weights whole grains above refined-grain byproducts. Shop on Amazon →
Functional-ingredient depth not present in Nutro: Seven functional mushroom strains, bovine colostrum, eight named probiotic strains, New Zealand green mussel for joint support, and 11 organic fruits and vegetables. Nutro Wholesome Essentials carries some fruits and vegetables but at substantially shallower depth and without the functional-superfood layer.
No split peas in primary position: Health Extension is legume-free in the top 10 positions. Nutro has split peas at #5 — the FDA DCM watchlist position. Nutro mitigates via grain-inclusive structure (brown rice precedes peas) but the pea inclusion costs rubric points.
Where Nutro Wholesome Essentials holds its own
Farm-raised chicken sourcing claim: Nutro emphasizes farm-raised chicken in its branding — positioned as a meaningful sourcing differentiator. The credential is brand-self-declared rather than independent third-party audit (unlike G.A.P. or Certified Humane), but the positioning is structurally cleaner than mass-market chicken without sourcing language. Shop on Amazon →
Wider retail distribution and significantly lower price tier: Nutro is carried at most major pet retailers, many supermarkets, and at some big-box stores. Health Extension has narrower distribution (primarily Amazon, Chewy, natural pet specialty stores). Nutro typically prices 25–35% below Health Extension per pound at retail.
Simpler formulation for sensitivity troubleshooting: Nutro Wholesome Essentials has a more conventional ingredient panel without the functional-superfood layer. For owners doing elimination diet workups or managing dogs with multiple sensitivities, the simpler panel is easier to troubleshoot when isolating reaction triggers.
The bottom line
Health Extension Original wins this matchup by 12 points (A/90 vs B/78) driven by whole-grain integrity (no brewers rice), functional-ingredient depth (mushrooms + colostrum + 8-strain probiotics + green mussel), and the legume-free top 10. Nutro Wholesome Essentials holds advantages in farm-raised chicken sourcing claim, wider retail distribution, significantly lower price tier, and simpler panel for elimination diet troubleshooting. Pick Health Extension for: functional-superfood depth, whole-grain integrity, A-tier ingredient quality. Pick Nutro for: mass-retail accessibility, budget-constrained feeding at premium-mainstream tier, simpler formula for sensitivity workups.