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Gentle Giants vs Iams

Gentle Giants is made by Gentle Giants Products, Inc., and Iams by Iams Company (owned by Mars, Incorporated), and both make food for cats and dogs. On KibbleLab, Gentle Giants averages 8.3 out of 10 across its scored foods, compared with 8.1 for Iams. Iams meets WSAVA's published criteria for evaluating a manufacturer, while Gentle Giants does not.

Gentle Giants and Iams compared

Gentle Giants Iams
Manufacturer Gentle Giants Products, Inc. Iams Company
Parent company Independent Mars, Incorporated
Founded 2005 1946
Headquarters Norco, California, USA Mason, Ohio, United States
Products listed 11 48
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.
No 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.
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 .
8.3 (avg of 11) 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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Gentle Giants vs Iams: how they compare

Scores

Gentle Giants scores higher on KibbleLab, averaging 8.3 out of 10 across 11 scored foods, compared with 8.1 across 48 for Iams. 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

Gentle Giants is made by Gentle Giants Products, Inc., an independent maker, based in Norco, California, USA, founded in 2005. Iams is made by Iams Company, owned by Mars, Incorporated, based in Mason, Ohio, United States, founded in 1946.

Standards and range

Iams meets WSAVA's published manufacturer criteria, while Gentle Giants does not. KibbleLab lists 11 Gentle Giants foods and 48 Iams foods.

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Common Questions

Which scores higher on KibbleLab, Gentle Giants or Iams?

Gentle Giants scores higher: it averages 8.3 out of 10 across 11 scored foods, compared with 8.1 for Iams. Scores reflect published veterinary science, and no one can pay for a higher score.

Who makes Gentle Giants and Iams?

Gentle Giants is made by Gentle Giants Products, Inc. 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 11 for Gentle Giants.

Where is each brand based?

Gentle Giants is based in Norco, California, USA. Iams is based in Mason, Ohio, United States.

Do Gentle Giants and Iams meet WSAVA criteria?

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

Have Gentle Giants or Iams been recalled?

Neither Gentle Giants 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: Gentle Giants 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.