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IAMS ProActive Health Large Breed Adult

Manufacturer: IAMS

IAMS IAMS ProActive Health Large Breed Adult Chicken & Whole Grain
83.5Technical Score

The IAMS ProActive Health Large Breed Adult (IAMS) earned a technical score of 83.5/100 (rated ⭐ High Standard) under the independent My Pet Magazine methodology, which combines the IDNM nutrient density index (79 pts) and the IPFI ingredient purity index (85 pts). On a dry-matter basis, this food for dogs delivers 25% protein and 13.33% fat. The analysis is computed by algorithm, with no payment or interference from brands.

Is IAMS ProActive Health Large Breed Adult good?

Yes, it is a good option. IAMS ProActive Health Large Breed Adult is in the "High Standard" band of our review, with a technical score of 83.5/100. The score combines nutritional density (IDNM 79) and ingredient purity (IPFI 85), with 25% protein and 13.33% fat on a dry-matter basis. At 3551 kcal/kg, FEDIAF maintenance needs work out to 150–174 g per day for an adult dog weighing 10 kg (full table below).

Nutritional Analysis

IDNM (Nutrient Density)79 / 100
IPFI (Ingredient Purity)85 / 100
Final Score83.5

Dry-Matter Composition

Protein25%
Fat13.33%

Composition and Energy

Values as declared in the manufacturer guaranteed analysis (as-fed basis — as printed on the bag).

Nutritional composition of IAMS ProActive Health Large Breed Adult (metabolizable energy when available in the dataset)
NutrientValue
Crude protein22.5 %
Crude fat12 %
Crude fiber5 %
Moisture10 %
Metabolizable energy3551 kcal/kg

How much to feed per day

Estimated daily serving (g/day) based on the metabolizable energy of this food (3551 kcal/kg) and the maintenance energy requirement (MER) of an adult dog per FEDIAF 2024, from the lowest value (low-activity dog; neutered or indoor cat) to the moderate one (moderately active dog; active cat). It is a starting point: adjust to your pet's body condition and your veterinarian's advice. The calculation ignores age, neutering (in dogs) and individual clinical conditions.

Recommended daily serving in grams per day of IAMS ProActive Health Large Breed Adult by the weight of the dog
Weight of the dogEnergy requirementRecommended serving
5 kg318–368 kcal/day89–104 g/day
10 kg534–619 kcal/day150–174 g/day
20 kg898–1040 kcal/day253–293 g/day
30 kg1218–1410 kcal/day343–397 g/day
40 kg1511–1750 kcal/day426–493 g/day

Formula: maintenance energy (kcal/day) = coefficient × weight(kg)^exponent. Dogs: coefficient 95 (low activity) to 110 (moderate activity), exponent 0.75 (FEDIAF 2024, Table VII-7, p. 55). Cats: coefficient 75 (neutered or indoor) to 100 (active), exponent 0.67 (FEDIAF 2024, Table VII-9, p. 57). Portion (g/day) = energy requirement ÷ (food kcal/kg ÷ 1000). Source: FEDIAF, Nutritional Guidelines for Complete and Complementary Pet Food for Cats and Dogs, July 2024.

Ingredients

  1. 1Chicken
  2. 2Ground Barley
  3. 3Ground Whole Grain Corn
  4. 4Ground Whole Grain Sorghum
  5. 5Chicken By-product Meal (Source Of Glucosamine and Chondroitin Sulfate)
  6. 6Soybean Meal
  7. 7Dried Plain Beet Pulp
  8. 8Natural Flavors
  9. 9Chicken Fat (preserved with Mixed Tocopherols)
  10. 10Dried Egg Product

What we like

  • ✓natural preservatives
  • ✓glucosamine and chondroitin
  • ✓fresh meat first ingredient
✓ Verified data

www.iams.com (guaranteed analysis transcribed from the label image) — verified 2026-08-30

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Frequently asked questions about IAMS ProActive Health Large Breed Adult

What is the technical score of IAMS ProActive Health Large Breed Adult?
IAMS ProActive Health Large Breed Adult (IAMS) scores 83.5/100 under the My Pet Magazine methodology — a weighted average of the IDNM nutrient density index (79 points) and the IPFI ingredient purity index (85 points), by the formula (IDNM × 0.55) + (IPFI × 0.45). The analysis is 100% algorithmic, with no interference from brands.
How much protein does IAMS ProActive Health Large Breed Adult have?
On a dry-matter basis (removing the effect of moisture), IAMS ProActive Health Large Breed Adult has 25% protein and 13.33% fat. Converting to a dry-matter basis allows a fair comparison between foods for dogs with different moisture levels.
Is IAMS ProActive Health Large Breed Adult a good food for dogs?
Under the My Pet Magazine classification, IAMS ProActive Health Large Breed Adult is "High Standard" (score 83.5/100). Strengths: natural preservatives, glucosamine and chondroitin, fresh meat first ingredient. Talk to a veterinarian before changing the diet of your dog.

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