Royal Canin vs Hill's Science Diet Dog Food: Side by Side Specs
Royal Canin's recorded recipes publish protein, fat, food type, life stage, and (for 61 of 61) an AAFCO nutritional adequacy statement, with a calorie density figure on 56 of them and a manufacturer origin address on 61 of them. Hill's Science Diet's recorded recipes publish the same fields, with an AAFCO statement on 33 of 33, a calorie figure on 26, and an origin address on 33 of 33. A source link back to the manufacturer's own product page is on file for 61 of 61 Royal Canin recipes and 33 of 33 Hill's Science Diet recipes. Both sets are read from each manufacturer's own product pages, not from a lab test we ran ourselves.
Published ingredient list length for Royal Canin runs 8 to 56 ingredients (61 recipes). For Hill's Science Diet it runs 8 to 36 ingredients (33 recipes). Both figures come from the ingredient panel printed on each brand's own product page, counted item by item as published, with no editing or reordering on our part.
| Field | Royal Canin | Hill's Science Diet |
|---|---|---|
| Recipes in the library | 61 | 33 |
| Published protein range | 5% to 32% across 61 recipes with a figure published | 18% to 28.9% across 33 recipes with a figure published |
| Published fat range | 1.5% to 23% across 61 recipes with a figure published | 8.1% to 19.7% across 33 recipes with a figure published |
| Published calorie range | 872 to 4,152 kcal/kg (56 recipes) | 2,961 to 3,807 kcal/kg (26 recipes) |
| AAFCO text published | 61 of 61 | 33 of 33 |
| Types offered | Dry Kibble, Wet/Canned | Dry Kibble |
| Life stages offered | Adult, All Life Stages, Puppy, Senior | Adult, Puppy, Senior |
The table above lines up what each brand publishes. Royal Canin lists 61 recipes across 2 types and 4 life stages. Hill's Science Diet lists 33 recipes across 1 type and 3 life stages. Every figure in this table is copied from the manufacturer's own published label or product page.
Three matched recipe pairs, same type and life stage
- Royal Canin Beagle Adult Dry Dog Food Adult Dry (Dry Kibble, Adult): 25% protein, 10% fat vs Hills Science Diet Adult Chicken Barley (Dry Kibble, Adult): 23.8% protein, 15% fat
- Royal Canin Boxer Adult Dry Dog Food Adult Dry (Dry Kibble, Adult): 24% protein, 18% fat vs Hills Science Diet Adult Healthy Mobility Large Breed Chicken Meal Barley Brown Rice Recipe Adult Dry (Dry Kibble, Adult): 21.9% protein, 14.8% fat
- Royal Canin Bulldog Adult Dry Dog Food Adult Dry (Dry Kibble, Adult): 22% protein, 12% fat vs Hills Science Diet Adult Healthy Mobility Small Bites Chicken Meal Barley Brown Rice Recipe Adult Dry (Dry Kibble, Adult): 21.9% protein, 14.8% fat
This page compares the specifications each brand publishes. We do not rate nutrition, and we do not rank or recommend one brand over the other. See the full recipe list and ranges for each brand at Royal Canin Dog Food Compared and Hill's Science Diet Dog Food Compared. You can also open Royal Canin in the comparison tool or open Hill's Science Diet in the comparison tool, and read how we compare dog foods for how each figure was recorded.
If you want a single ingredient treat to go with any of these, our freeze dried dog treats are made in Malvern, Pennsylvania.
Questions from this page
How many recipes does each brand have in this library?
Royal Canin has 61 recorded recipes. Hill's Science Diet has 33 recorded recipes.
What protein and fat ranges are published for each brand?
Royal Canin publishes protein 5% to 32% across 61 recipes with a figure published and fat 1.5% to 23% across 61 recipes with a figure published. Hill's Science Diet publishes protein 18% to 28.9% across 33 recipes with a figure published and fat 8.1% to 19.7% across 33 recipes with a figure published.
Is an AAFCO nutritional adequacy statement published for both brands?
Royal Canin publishes an AAFCO statement on 61 of 61 recorded recipes. Hill's Science Diet publishes one on 33 of 33 recorded recipes.