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Iams vs Osopure

Iams is made by Iams Company (owned by Mars, Incorporated), and Osopure by Artemis Pet Food Company, and both make food for cats and dogs. On KibbleLab, Iams averages 8.1 out of 10 across its scored foods, compared with 8.0 for Osopure. Iams meets WSAVA's published criteria for evaluating a manufacturer, while Osopure does not.

Iams and Osopure compared

Iams Osopure
Manufacturer Iams Company Artemis Pet Food Company
Parent company Mars, Incorporated Independent
Founded 1946 1998
Headquarters Mason, Ohio, United States La Habra, California, USA
Products listed 48 12
Serves Cats & 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 No
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.
No 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 .
8.1 (avg of 48) 8.0 (avg of 12)
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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Iams vs Osopure: how they compare

Scores

Iams scores higher on KibbleLab, averaging 8.1 out of 10 across 48 scored foods, compared with 8.0 across 12 for Osopure. 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

Iams is made by Iams Company, owned by Mars, Incorporated, based in Mason, Ohio, United States, founded in 1946. Osopure is made by Artemis Pet Food Company, an independent maker, based in La Habra, California, USA, founded in 1998.

Standards and range

Iams meets WSAVA's published manufacturer criteria, while Osopure does not. KibbleLab lists 48 Iams foods and 12 Osopure foods.

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Common Questions

Which scores higher on KibbleLab, Iams or Osopure?

Iams scores higher: it averages 8.1 out of 10 across 48 scored foods, compared with 8.0 for Osopure. Scores reflect published veterinary science, and no one can pay for a higher score.

Who makes Iams and Osopure?

Iams is made by Iams Company, which is owned by Mars, Incorporated. Osopure is made by Artemis Pet Food Company.

Which brand has more products on KibbleLab?

Iams has 48 products in the KibbleLab database, compared with 12 for Osopure.

Where is each brand based?

Iams is based in Mason, Ohio, United States. Osopure is based in La Habra, California, USA.

Do Iams and Osopure meet WSAVA criteria?

Iams meets WSAVA's published criteria for evaluating a manufacturer; Osopure does not, based on public information. WSAVA publishes criteria; it does not certify or endorse brands.

Have Iams or Osopure been recalled?

Neither Iams nor Osopure 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: Iams and Osopure .

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.