15 cans compared

Royal Canin vs Ziwi Peak

The typical Ziwi Peak can gets 6.3% of its calories from carbohydrate, against 14.6% for Royal Canin. Royal Canin has 2 of 10 recipes under the 10% low-carb line; Ziwi Peak has 3 of 5. Below, every number is worked out the same way from each can’s label.

Royal Canin

Ziwi Peak

Royal Canin vs Ziwi Peak at a glance

Typical values are the middle recipe of each brand. Shares are of calories, so textures compare fairly. Marked cells show the better value where the gap is meaningful.

	Royal Canin	Ziwi Peak
Cans we compare	10	5
Typical carbs, % of calories	14.6%	6.3%
Carb range	8.8–24.1%	5.9–13.2%
Recipes under 10% carbs	2 of 10	3 of 5
Typical protein, % of calories	53%	38%
Typical fat, % of calories	29%	56%
Calories per ounce	22	32
Calories per can	55–78	87–104
Recipes with published phosphorus	0 of 10	0 of 5
Typical phosphorus, mg per 100 kcal	—	—
Confirmed for kittens	2 of 10	5 of 5
Chicken-free recipes	0 of 10	4 of 5
Fish-free recipes	2 of 10	4 of 5
Textures	Pâté, Chunks in gravy	Pâté

Lowest-carb can from each brand

The recipe with the smallest share of calories from carbohydrate on each side, leaving out toppers meant for supplemental feeding.

Put these two side by side

Royal Canin3 oz

Kitten Loaf in Sauce

Pâté · 78 kcal per can

Carbs: 8.8%
Protein: 53%
Phosphorus: not listed

Protein 53%Fat 38%Carbs 9%

Low carbHigh protein

Ziwi Peak3 oz

Lamb Recipe

Pâté · 102 kcal per can

Carbs: 5.9%
Protein: 37%
Phosphorus: not listed

Protein 37%Fat 57%Carbs 6%

Low carbNo chickenNo fish

Same texture, head to head

For each texture both brands make, the lowest-carb recipe from each.

Texture	Royal Canin	Ziwi Peak
Pâté	Kitten Loaf in Sauce8.8% carbs · 53% protein · 78 kcal	Lamb Recipe5.9% carbs · 37% protein · 102 kcal

Which to choose, by what your cat needs

For a diabetic or overweight cat

Ziwi Peak is the lower-carb line overall. Its lowest-carb recipe is Lamb Recipe at 5.9% of calories; Royal Canin’s is Kitten Loaf in Sauce at 8.8%. Both brands have recipes under the 10% line (3 of 5 against 2 of 10), so the right recipe matters more than the brand.

For kidney concerns

Royal Canin doesn’t publish phosphorus on the pages we checked. Ziwi Peak doesn’t publish phosphorus on the pages we checked. Without published values neither brand can be checked for phosphorus from the label alone; ask the maker for a typical analysis.

For kittens

Royal Canin has 2 of 10 recipes whose label we could confirm covers growth or all life stages; Ziwi Peak has 5 of 5. A missing statement doesn’t mean a can is unsuitable, only that we couldn’t verify it.

For allergies and picky eaters

Chicken-free: Royal Canin 0 of 10, Ziwi Peak 4 of 5. Fish-free: Royal Canin 2 of 10, Ziwi Peak 4 of 5. Textures: Royal Canin makes pâté, chunks in gravy; Ziwi Peak makes pâté.

Questions about Royal Canin vs Ziwi Peak

Is Royal Canin or Ziwi Peak lower in carbs?

The typical Ziwi Peak can gets 6.3% of its calories from carbohydrate, against 14.6% for Royal Canin. Royal Canin has 2 of 10 recipes under the 10% low-carb line; Ziwi Peak has 3 of 5.

Which has more protein, Royal Canin or Ziwi Peak?

Ziwi Peak. Its typical can gets 38% of calories from protein, against 53% for Royal Canin. Royal Canin has 8 of 10 recipes over 50% protein calories; Ziwi Peak has 0 of 5.

Which is more filling per ounce?

Royal Canin. Its cans average 22 calories per ounce against 32 for Ziwi Peak, so a cat needs fewer ounces of it to get the same calories.

Do Royal Canin and Ziwi Peak publish phosphorus?

Royal Canin doesn’t publish phosphorus on the pages we checked. Ziwi Peak doesn’t publish phosphorus on the pages we checked.

Which is better for a diabetic cat, Royal Canin or Ziwi Peak?

Carbs are what matter most, and Ziwi Peak has the lower-carb line with 3 of 5 recipes under 10%. The best single choice is a specific recipe, not a brand: Kitten Loaf in Sauce (8.8%) from Royal Canin or Lamb Recipe (5.9%) from Ziwi Peak. Change a diabetic cat’s food only with your vet.