Pet food brand

IAMS logo

IAMS

B Average score: 82/100 (Good)

Discover the 1 IAMS products graded A to E by PetFoodRate. Our independent analysis covers protein quality, nutritional value, absence of undesirables, label transparency, and species adaptability.

In short

IAMS averages 82/100 (B) across 1 graded products, 1 of them A or B. It is strongest on "Protein quality" and weakest on "Species fit". Top-rated product: IAMS IAMS NATURALLY (82/100).

By Theo Blanchard · reviewed by Max Kowalski · updated June 2026 · independent grading, no sponsorship

A
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B
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C
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D
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E
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The IAMS profile across 5 criteria

Average of the A–E sub-scores across the 1 graded IAMS products. The brand is strongest on "Protein quality" and weakest on "Species fit".

  • Protein quality A · 90/100
  • Nutritional balance B · 75/100
  • Few undesirables A · 90/100
  • Ingredient transparency B · 75/100
  • Species fit B · 75/100

All IAMS products graded

#1
B 82
IAMS NATURALLY
dry food dogs

Our verdict on IAMS

IAMS offers 1 product in our database, covering 1 food type and 1 species. The brand average score is 82/100, a grade B (Good). This score evolves whenever we add products or update our methodology.

Understand the grade

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Frequently asked questions

How many IAMS products are rated?

1 IAMS product is rated by PetFoodRate, with an average score of 82/100 (B).

What is the best IAMS product?

The highest-rated IAMS product in our database is IAMS NATURALLY (grade B).

Is IAMS a good brand?

Based on its rated products, IAMS averages 82/100, i.e. B on our A to E scale. Quality can vary across ranges: check each product's grade.

How does PetFoodRate rate brands?

Each product is graded A to E on five axes (proteins, nutrition, undesirables, transparency, suitability). A brand's score is the average of its products; only brands with at least 10 rated products enter the comparative ranking.