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Hill's Natural vs Iams

Hill's Natural is made by Hill's Pet Nutrition (owned by Colgate-Palmolive Company), and Iams by Iams Company (owned by Mars, Incorporated). On KibbleLab, Iams averages 8.1 out of 10 across its scored foods, compared with 7.4 for Hill's Natural. Hill's Natural is accredited by the Pet Sustainability Coalition; Iams is not.

Hill's Natural and Iams compared

Hill's Natural Iams
Manufacturer Hill's Pet Nutrition Iams Company
Parent company Colgate-Palmolive Company Mars, Incorporated
Founded 1907 1946
Headquarters Topeka, Kansas, USA Mason, Ohio, United States
Products listed 15 48
Serves Dogs Cats & dogs
Price tier A relative price guide, from $ (most affordable) to $$$$$ (most premium), based on the brand's typical retail cost.
$$$ $$$
WSAVA guidelines The World Small Animal Veterinary Association (WSAVA) publishes criteria for evaluating a manufacturer: qualified nutritionists on staff, feeding trials, and published research. It does not certify or endorse brands.
Yes Yes
PSC accredited The Pet Sustainability Coalition is a nonprofit that accredits pet companies on their environmental and social impact, through third-party verification. It reflects sustainability practices, not food quality.
Yes No
Score The average KibbleLab score across this brand's scored foods, on a 0 to 10 scale. Foods are scored on published veterinary science, and no one can pay for a higher score. How scoring works .
7.4 (avg of 15) 8.1 (avg of 48)
Recalls on record KibbleLab began logging recalls in July 2026, so earlier recalls may not appear.
None None
Where to buy Amazon Amazon

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Hill's Natural vs Iams: how they compare

Scores

Iams scores higher on KibbleLab, averaging 8.1 out of 10 across 48 scored foods, compared with 7.4 across 15 for Hill's Natural. Scores apply the same criteria-based rubric to every food, drawn from published veterinary science, and no one can pay for a higher score.

Who makes them

Hill's Natural is made by Hill's Pet Nutrition, owned by Colgate-Palmolive Company, based in Topeka, Kansas, USA, founded in 1907. Iams is made by Iams Company, owned by Mars, Incorporated, based in Mason, Ohio, United States, founded in 1946.

Standards and range

Both meet WSAVA's published manufacturer criteria. Hill's Natural is accredited by the Pet Sustainability Coalition; Iams is not. KibbleLab lists 15 Hill's Natural foods and 48 Iams foods.

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Common Questions

Which scores higher on KibbleLab, Hill's Natural or Iams?

Iams scores higher: it averages 8.1 out of 10 across 48 scored foods, compared with 7.4 for Hill's Natural. Scores reflect published veterinary science, and no one can pay for a higher score.

Who makes Hill's Natural and Iams?

Hill's Natural is made by Hill's Pet Nutrition, which is owned by Colgate-Palmolive Company. Iams is made by Iams Company, which is owned by Mars, Incorporated.

Which brand has more products on KibbleLab?

Iams has 48 products in the KibbleLab database, compared with 15 for Hill's Natural.

Where is each brand based?

Hill's Natural is based in Topeka, Kansas, USA. Iams is based in Mason, Ohio, United States.

Do Hill's Natural and Iams meet WSAVA criteria?

Both Hill's Natural and Iams meet WSAVA's published criteria for evaluating a manufacturer. WSAVA publishes criteria; it does not certify or endorse brands.

Are Hill's Natural or Iams PSC Accredited?

Hill's Natural is a PSC Accredited business. The Pet Sustainability Coalition is a nonprofit that Accredits pet companies on their environmental and social impact, through third-party verification.

Have Hill's Natural or Iams been recalled?

Neither Hill's Natural nor Iams has a recall on record in the KibbleLab database. KibbleLab began logging recalls in July 2026, so earlier recalls may not appear.

See the full profiles: Hill's Natural and Iams .

More comparisons

KibbleLab provides informational content only. This is not veterinary advice. Always consult a qualified veterinarian before changing your pet's diet.

This is a neutral, factual comparison, not a ranking or an endorsement of either brand. KibbleLab may earn affiliate commissions through links. No one can pay for placement or a higher score.

Brand and manufacturer details are compiled from public sources and not independently verified; they may not reflect contract manufacturing or co-packing. Recall data is compiled from public FDA and manufacturer notices, and a notice may name the parent company rather than the brand. KibbleLab began logging recalls in July 2026, so earlier recalls may not appear.

KibbleLab scores and commentary are editorial opinions based on published data. Represent one of these brands? Request a correction. Anyone else can email us. See our Terms.