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Diamond Diamond High Energy Dry Dog Food Royal Canin Giant Adult Dry Dog Food

Royal Canin Giant Adult Dry Dog Food scores higher on KibbleLab, 8.2 to 7.6. Compare ingredients, guaranteed analysis, and AAFCO nutritional adequacy, side by side.

Diamond Diamond High Energy Dry Dog Food and Royal Canin Giant Adult Dry Dog Food compared

Nutrients:
As Fed
Diamond Diamond High Energy Dry Dog Food
Diamond Diamond High Energy Dry Dog Food

Verified Jul 26, 2026

Royal Canin Giant Adult Dry Dog Food
Royal Canin Giant Adult Dry Dog Food

Verified Jul 18, 2026

KibbleLab score The KibbleLab expert rating, 0 to 10, based on published veterinary science.
7.6 / 10 8.2 / 10
Guaranteed analysis (as fed)
Protein Guaranteed analysis gives label minimums and maximums, not measured values, shown as fed.
24.00% 26.00%
Fat 20.00% 18.00%
Fiber 4.00% 3.90%
Omega-3 0.30% Not listed
Omega-6 4.50% Not listed
Taurine Not listed 0.14%
Moisture Higher moisture means a wetter food; it dilutes the other percentages above.
10.00% 10.00%
Calories 3900 kcal/kg 3958 kcal/kg
Calorie density Moderate Moderate
Ingredients
Full ingredient list Every ingredient on each label, in order of weight.
Chicken by-product meal (a source of glucosamine), whole grain ground corn, wheat flour, rice bran, chicken fat (preserved with mixed tocopherols), meat meal (a source of glucosamine), dried yeast, dried plain beet pulp, natural flavor, salt, potassium chloride, DL-Methionine, choline chloride, dried Lactobacillus plantarum fermentation product, dried Bacillus subtilis fermentation product, dried Lactobacillus acidophilus fermentation product, dried Enterococcus faecium fermentation product, dried Bifidobacterium animalis fermentation product, vitamin E supplement, iron proteinate, zinc proteinate, copper proteinate, ferrous sulfate, zinc sulfate, manganese sulfate, copper sulfate, potassium iodide, thiamine mononitrate, manganese proteinate, vitamin A supplement, biotin, niacin, calcium pantothenate, sodium selenite, pyridoxine hydrochloride, vitamin B12 supplement, riboflavin, vitamin D3 supplement, folic acid. Show full list
chicken by-product meal, brewers rice, chicken fat, brown rice, corn gluten meal, wheat, natural flavors, dried plain beet pulp, pea fiber, wheat gluten, fish oil, vegetable oil, potassium chloride, calcium carbonate, salt, choline chloride, vitamins [DL-alpha tocopherol acetate (source of vitamin E), L-ascorbyl-2-polyphosphate (source of vitamin C), biotin, D-calcium pantothenate, vitamin A acetate, pyridoxine hydrochloride (vitamin B6), niacin supplement, folic acid, thiamine mononitrate (vitamin B1), vitamin B12 supplement, riboflavin supplement, vitamin D3 supplement], trace minerals [zinc proteinate, manganese proteinate, zinc oxide, ferrous sulfate, manganous oxide, copper sulfate, calcium iodate, sodium selenite, copper proteinate], taurine, glucosamine hydrochloride, GLA safflower oil, marigold extract (Tagetes erecta L.), magnesium oxide, L-carnitine, chondroitin sulfate, rosemary extract, preserved with mixed tocopherols and citric acid. Show full list
Limited ingredient No No
Health focus Joint care, Mobility support, Skin coat health, Probiotic support, Digestive health, Immune support, High energy Bone health, Joint care, Antioxidant support, Heart care
Format & suitability
Food type Dry Dry
Texture Kibble Kibble
Processing Not listed Not listed
Life stage Adult Adult
Breed size All Breed Sizes Extra Large
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.
Yes Yes
Life stages Adult Maintenance Growth (puppy/kitten), 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.
Formulation 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.
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
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 By-Product
  • Chicken Fat
  • Beet Pulp
  • Natural Flavor

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Common Questions

Which food scores higher on KibbleLab?

Royal Canin Giant Adult Dry Dog Food scores higher, 8.2 to 7.6 out of 10. Scores reflect published veterinary science.

Do these two foods share ingredients?

Yes. They share these top ingredients: Chicken By-Product, Chicken Fat, Beet Pulp, Natural Flavor.

Are both foods AAFCO complete and balanced?

Yes, both foods are labeled AAFCO complete and balanced.

See the full profiles: Diamond Diamond High Energy Dry Dog Food and Royal Canin Giant Adult 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.