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Grandma Lucy's vs Iams

Grandma Lucy's is made by Grandma Lucy's, and Iams by Iams Company (owned by Mars, Incorporated), 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 Grandma Lucy's. Iams meets WSAVA's published criteria for evaluating a manufacturer, while Grandma Lucy's does not.

Grandma Lucy's and Iams compared

Grandma Lucy's Iams
Manufacturer Grandma Lucy's Iams Company
Parent company Independent Mars, Incorporated
Founded 1999 1946
Headquarters Rancho Santa Margarita, California, USA Mason, Ohio, United States
Products listed 35 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 .
8.0 (avg of 35) 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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Grandma Lucy's vs Iams: how they compare

Scores

Iams scores higher on KibbleLab, averaging 8.1 out of 10 across 48 scored foods, compared with 8.0 across 35 for Grandma Lucy's. 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

Grandma Lucy's is made by Grandma Lucy's, an independent maker, based in Rancho Santa Margarita, California, USA, founded in 1999. 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 Grandma Lucy's does not. KibbleLab lists 35 Grandma Lucy's foods and 48 Iams foods.

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Common Questions

Which scores higher on KibbleLab, Grandma Lucy's or Iams?

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

Who makes Grandma Lucy's and Iams?

Grandma Lucy's is made by Grandma Lucy's. 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 35 for Grandma Lucy's.

Where is each brand based?

Grandma Lucy's is based in Rancho Santa Margarita, California, USA. Iams is based in Mason, Ohio, United States.

Do Grandma Lucy's and Iams meet WSAVA criteria?

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

Have Grandma Lucy's or Iams been recalled?

Neither Grandma Lucy's 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: Grandma Lucy's 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.