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Iams Healthy Aging Large Breed Dry Dog Food Chicken Natural Balance Original Ultra Chicken & Barley Recipe Dry Dog Food

Natural Balance Original Ultra Chicken & Barley Recipe Dry Dog Food scores higher on KibbleLab, 8.4 to 8.1. Compare ingredients, guaranteed analysis, and AAFCO nutritional adequacy, side by side.

Iams Healthy Aging Large Breed Dry Dog Food Chicken and Natural Balance Original Ultra Chicken & Barley Recipe Dry Dog Food compared

Nutrients:
As Fed
Iams Healthy Aging Large Breed Dry Dog Food Chicken
Iams Healthy Aging Large Breed Dry Dog Food Chicken

Verified Jul 22, 2026

Natural Balance Original Ultra Chicken & Barley Recipe Dry Dog Food
Natural Balance Original Ultra Chicken & Barley Recipe Dry Dog Food

Verified Jul 19, 2026

KibbleLab score The KibbleLab expert rating, 0 to 10, based on published veterinary science.
8.1 / 10 8.4 / 10
Guaranteed analysis (as fed)
Protein Guaranteed analysis gives label minimums and maximums, not measured values, shown as fed.
26.00% 24.00%
Fat 11.00% 14.00%
Fiber 5.50% 5.00%
Calcium 1.15% 1.20%
Phosphorus 0.75% 1.00%
Omega-3 Not listed 0.65%
Omega-6 2.50% 3.50%
Taurine Not listed 0.25%
Moisture Higher moisture means a wetter food; it dilutes the other percentages above.
10.00% 10.00%
Calories 3452 kcal/kg 3590 kcal/kg
Calorie density Moderate Moderate
Ingredients
Full ingredient list Every ingredient on each label, in order of weight.
Chicken, Chicken By-Product Meal (source of Glucosamine and Chondroitin Sulfate), Ground Barley, Ground Whole Grain Corn, Ground Whole Grain Sorghum, Soybean Meal, Dried Plain Beet Pulp, Natural Flavor, Dried Egg Product, Calcium Carbonate, Marine Microalgae (source of DHA), Caramel Color, Potassium Chloride, Carrots, Fructooligosaccharides, Choline Chloride, Vitamins (Vitamin E Supplement, Ascorbic Acid, D-Calcium Pantothenate, Biotin, Thiamine Mononitrate (Vitamin B1), Vitamin B12 Supplement, Vitamin A Supplement, Niacin, Riboflavin (Vitamin B2), Pyridoxine Hydrochloride (Vitamin B6), Vitamin D3 Supplement, Folic Acid), Minerals (Ferrous Sulfate, Zinc Oxide, Sodium Selenite, Manganese Sulfate, Copper Sulfate, Potassium Iodide, Manganous Oxide), Beta-Carotene, Mixed Tocopherols (preservative), Citric Acid (preservative), L-Carnitine, Rosemary Extract Show full list
CHICKEN, CHICKEN MEAL, PEARLED BARLEY, PEAS, OAT GROATS, CHICKEN FAT (PRESERVED WITH MIXED TOCOPHEROLS), DRIED PLAIN BEET PULP, NATURAL FLAVOR, BROWN RICE, DICALCIUM PHOSPHATE, FLAXSEED, DRIED VEGETABLE BROTH, MENHADEN FISH OIL (PRESERVED WITH MIXED TOCOPHEROLS), CARROTS, DL-METHIONINE, POTASSIUM CHLORIDE, SALT, TAURINE, VITAMINS (VITAMIN E SUPPLEMENT, ASCORBIC ACID, NIACIN SUPPLEMENT, VITAMIN A SUPPLEMENT, THIAMINE MONONITRATE, d-CALCIUM PANTOTHENATE, RIBOFLAVIN SUPPLEMENT, PYRIDOXINE HYDROCHLORIDE, VITAMIN B12 SUPPLEMENT, FOLIC ACID, VITAMIN D3 SUPPLEMENT, BIOTIN), DRIED TOMATO POMACE, MINERALS (ZINC PROTEINATE, ZINC SULFATE, FERROUS SULFATE, IRON PROTEINATE, COPPER SULFATE, COPPER PROTEINATE, SODIUM SELENITE, MANGANESE SULFATE, MANGANESE PROTEINATE, CALCIUM IODATE), L-ASCORBYL-2-POLYPHOSPHATE, L-TRYPTOPHAN, L-THREONINE, CHOLINE CHLORIDE, CITRIC ACID (PRESERVATIVE), MIXED TOCOPHEROLS (PRESERVATIVE), BLUEBERRIES, DRIED KELP, SPINACH, CRANBERRIES, YUCCA SCHIDIGERA EXTRACT, L-LYSINE MONOHYDROCHLORIDE, L-CARNITINE, ROSEMARY EXTRACT. Show full list
Limited ingredient No No
Health focus Immune support, Joint care, Bone health, Digestive health, Weight management, Heart care Digestive health, Skin coat health, Heart care, Immune support
Format & suitability
Food type Dry Dry
Texture Kibble Kibble
Processing Not listed Not listed
Life stage Adult, Senior All Life Stages
Breed size Large All Breed Sizes
AAFCO nutritional adequacy
Complete & balanced Whether the manufacturer's label claims the food meets AAFCO nutrient profiles for a life stage. Not an independent test.
Not indicated Yes
Life stages Not listed All Life Stages, Large Breed Growth (70+ lbs)
Substantiation How adequacy was established. Feeding trials are the higher bar; formulation means the recipe is calculated to meet the profile.
Not listed Formulation
Maker standards
WSAVA guidelines The World Small Animal Veterinary Association publishes criteria for evaluating a manufacturer: qualified nutritionists on staff, feeding trials, and published research. It does not certify or endorse brands.
Yes 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
Recalls & where to buy
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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Shared ingredients

Both foods list these among their top ingredients, by label weight.

  • Chicken
  • Barley
  • Beet Pulp
  • Natural Flavor

Not sure which is right for your pet?

Sign in free to see Iams Healthy Aging Large Breed Dry Dog Food Chicken and Natural Balance Original Ultra Chicken & Barley Recipe Dry Dog Food scored for your pet's breed, age, and health focus, save favorites, and compare foods side by side.

Common Questions

Which food scores higher on KibbleLab?

Natural Balance Original Ultra Chicken & Barley Recipe Dry Dog Food scores higher, 8.4 to 8.1 out of 10. Scores reflect published veterinary science.

Do these two foods share ingredients?

Yes. They share these top ingredients: Chicken, Barley, Beet Pulp, Natural Flavor.

Are both foods AAFCO complete and balanced?

Iams Healthy Aging Large Breed Dry Dog Food Chicken does not list an AAFCO status; Natural Balance Original Ultra Chicken & Barley Recipe Dry Dog Food is labeled complete and balanced.

See the full profiles: Iams Healthy Aging Large Breed Dry Dog Food Chicken and Natural Balance Original Ultra Chicken & Barley Recipe Dry Dog Food .

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 product. A food's guaranteed analysis gives legal minimums and maximums for a few nutrients, not measured values. No one can pay for placement or a higher score.

Product details are compiled from public sources and may not reflect the latest formulation. Represent one of these brands? Request a correction. Anyone else can email us.