Brand Comparison · 2026

Eukanuba vs Wellness CORE

Eukanuba (performance-oriented wsava-compliant kibble for active and working dogs.) and Wellness CORE (higher-protein boutique kibble with partial wsava compliance.) compared head-to-head on WSAVA manufacturer-quality criteria, AAFCO substantiation, monthly cost, and which dog each is best for in 2026. Eukanuba meets 5 of 5 WSAVA criteria. Eukanuba is roughly 13% less than Wellness CORE.

The verdict

Eukanuba meets all 5 WSAVA criteria with AAFCO feeding-trial substantiation and Mars-grade manufacturing; Wellness CORE, a higher-protein boutique kibble, meets only 2 of 5, owns its plants through WellPet, but uses formulation-only substantiation and keeps no full-time board-certified veterinary nutritionist. Wellness CORE's grain-free variants are also implicated in the FDA DCM investigation. Pricing is close: $50-80/month for Eukanuba, $55-95 for Wellness CORE.

Pick Eukanuba for feeding-trial proof, full compliance, and performance formulations for working or active dogs. Pick Wellness CORE only if you specifically want higher protein content and accept partial WSAVA compliance. If your dog has cardiac risk or you want feeding-trial-substantiated food, Eukanuba is the safer choice.

Key differences at a glance

Different makers: Eukanuba is Mars Incorporated; Wellness CORE is WellPet.
WSAVA manufacturer-quality: Eukanuba meets 5 of 5 criteria vs 2 of 5 for Wellness CORE.
AAFCO substantiation differs: Eukanuba uses AAFCO feeding trials; Wellness CORE uses formulation only.
Monthly cost: Eukanuba runs roughly 13% less than Wellness CORE for a typical 50 lb dog.
Heart-health context: Wellness CORE is associated with the FDA's diet-related DCM investigation; Eukanuba is not.

Quick comparison

Dimension	Eukanuba	Wellness CORE
Parent company	Mars Incorporated	WellPet
Category	Premium dry kibble	Boutique dry kibble
WSAVA criteria met	5 of 5	2 of 5
AAFCO substantiation	Feeding trials	Formulation only
Full-time veterinary nutritionist	Yes	Partial
Credentialed formulator	Yes	Partial
AAFCO feeding trials	Yes	No
Owns manufacturing plants	Yes	Yes
Quality control program	Yes	Yes
Typical monthly cost (50 lb dog)	$50 – $80 / month	$55 – $95 / month

Mars Incorporated

Eukanuba

Performance-oriented WSAVA-compliant kibble for active and working dogs.

Strengths

Strong working-dog and sport-performance formulations
AAFCO feeding trial substantiation across the line
Shares Royal Canin's manufacturing-quality systems (same parent)

Watch-outs

Less retail visibility in the US than Pro Plan or Royal Canin
Limited prescription-diet line

Best for: Working, sport, and active dogs that need higher caloric density.

Avoid if: You need a prescription therapeutic diet for a medical condition.

Visit Eukanuba ↗

WellPet

Wellness CORE

Higher-protein boutique kibble with partial WSAVA compliance.

Strengths

Higher-protein formulations than mass-market alternatives
Owned manufacturing through WellPet
Consistent ingredient sourcing

Watch-outs

Formulation-only AAFCO substantiation
No full-time board-certified veterinary nutritionist on staff
Grain-free variants implicated in the FDA DCM investigation

Best for: Owners who want higher protein content and accept partial WSAVA compliance.

Avoid if: Your dog is at risk of diet-associated DCM or you specifically want feeding-trial-substantiated food.

Visit Wellness CORE ↗

Which is better for your dog?

The right pick depends on your individual dog. Eukanuba is the better choice when: Working, sport, and active dogs that need higher caloric density. Wellness CORE is the better choice when: Owners who want higher protein content and accept partial WSAVA compliance.

On cost, Eukanuba is roughly 13% less than Wellness CORE at the midpoint of typical premium spec for a 50 lb adult dog. On WSAVA manufacturer-quality criteria, Eukanuba meets 5 of 5 vs 2 of 5 for Wellness CORE.

Personalized recommendation

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Compare these brands against others

Methodology: WSAVA criteria reflect each brand's publicly documented manufacturer-quality practices as of May 2026, scored against the WSAVA Global Nutrition Committee's 5-question rubric. AAFCO substantiation reflects the dominant method used across the brand's main retail product line. Monthly cost reflects typical US 2026 retail for a 50 lb adult dog at premium spec, before autoship discounts. Recommendations are editorial and not influenced by affiliate relationships. See our recommendation methodology for IntelliBowl's quiz-engine ranking logic.