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Cesar vs Supreme Source

Cesar is made by Mars Petcare (owned by Mars, Incorporated), and Supreme Source by American Pet Nutrition (owned by Alphia (C.J. Foods)). On KibbleLab, Supreme Source averages 7.7 out of 10 across its scored foods, compared with 7.3 for Cesar. Cesar makes food for dogs, while Supreme Source covers cats and dogs.

Cesar and Supreme Source compared

Cesar Supreme Source
Manufacturer Mars Petcare American Pet Nutrition
Parent company Mars, Incorporated Alphia (C.J. Foods)
Founded 1935 1972
Headquarters Brussels, Belgium (global Petcare division); McLean, Virginia, USA (Mars, Incorporated global HQ) Ogden, Utah, USA
Products listed 49 14
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.
No 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 .
7.3 (avg of 49) 7.7 (avg of 14)
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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Cesar vs Supreme Source: how they compare

Scores

Supreme Source scores higher on KibbleLab, averaging 7.7 out of 10 across 14 scored foods, compared with 7.3 across 49 for Cesar. 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

Cesar is made by Mars Petcare, owned by Mars, Incorporated, based in Brussels, Belgium (global Petcare division); McLean, Virginia, USA (Mars, Incorporated global HQ), founded in 1935. Supreme Source is made by American Pet Nutrition, owned by Alphia (C.J. Foods), based in Ogden, Utah, USA, founded in 1972.

Standards and range

Neither meets WSAVA's published manufacturer criteria. KibbleLab lists 49 Cesar foods and 14 Supreme Source foods.

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Common Questions

Which scores higher on KibbleLab, Cesar or Supreme Source?

Supreme Source scores higher: it averages 7.7 out of 10 across 14 scored foods, compared with 7.3 for Cesar. Scores reflect published veterinary science, and no one can pay for a higher score.

Who makes Cesar and Supreme Source?

Cesar is made by Mars Petcare, which is owned by Mars, Incorporated. Supreme Source is made by American Pet Nutrition, which is owned by Alphia (C.J. Foods).

Which brand has more products on KibbleLab?

Cesar has 49 products in the KibbleLab database, compared with 14 for Supreme Source.

Where is each brand based?

Cesar is based in Brussels, Belgium (global Petcare division); McLean, Virginia, USA (Mars, Incorporated global HQ). Supreme Source is based in Ogden, Utah, USA.

Have Cesar or Supreme Source been recalled?

Neither Cesar nor Supreme Source 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: Cesar and Supreme Source .

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.