21 cans compared

Hill's Science Diet vs Weruva

The typical Weruva can gets 5.8% of its calories from carbohydrate, against 21.1% for Hill's Science Diet. Hill's Science Diet has 2 of 11 recipes under the 10% low-carb line; Weruva has 7 of 10. Below, every number is worked out the same way from each can’s label.

Hill's Science Diet

Weruva

Hill's Science Diet vs Weruva 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.

	Hill's Science Diet	Weruva
Cans we compare	11	10
Typical carbs, % of calories	21.1%	5.8%
Carb range	3.9–35%	0–12.4%
Recipes under 10% carbs	2 of 11	7 of 10
Typical protein, % of calories	43%	66%
Typical fat, % of calories	37%	24%
Calories per ounce	30	20
Calories per can	72–212	51–78
Recipes with published phosphorus	0 of 11	6 of 10
Typical phosphorus, mg per 100 kcal	—	284 mg
Confirmed for kittens	3 of 11	0 of 10
Chicken-free recipes	0 of 11	5 of 10
Fish-free recipes	2 of 11	4 of 10
Textures	Pâté, Chunks in gravy	Flaked, Chunks in gravy, Shreds in broth, 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

Hill's Science Diet5.5 oz

Kitten with Salmon

Pâté · 212 kcal per can

Carbs: 3.9%
Protein: 43%
Phosphorus: not listed

Protein 43%Fat 53%Carbs 4%

Low carb

Weruva3 oz

Mideast Feast

Flaked · 63 kcal per can

Carbs: 0%
Protein: 77%
Phosphorus: 268mg

Protein 77%Fat 23%Carbs 0%

Low carbHigh proteinNo chicken

Same texture, head to head

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

Texture	Hill's Science Diet	Weruva
Pâté	Kitten with Salmon3.9% carbs · 43% protein · 212 kcal	Press Your Lunch! (Chicken Dinner in a Hydrating Puree)3.7% carbs · 60% protein · 56 kcal
Chunks in gravy	Tender Chicken Dinner16.4% carbs · 44% protein · 170 kcal	Steak Frites Dinner1.5% carbs · 75% protein · 62 kcal

Which to choose, by what your cat needs

For a diabetic or overweight cat

Weruva is the lower-carb line overall. Its lowest-carb recipe is Mideast Feast at 0% of calories; Hill's Science Diet’s is Kitten with Salmon at 3.9%. Both brands have recipes under the 10% line (7 of 10 against 2 of 11), so the right recipe matters more than the brand.

For kidney concerns

Hill's Science Diet doesn’t publish phosphorus on the pages we checked. Weruva publishes phosphorus for 6 of 10 recipes (typical 284 mg per 100 kcal). Only recipes with a published value can be checked, so start from those and confirm targets with your vet.

For kittens

Hill's Science Diet has 3 of 11 recipes whose label we could confirm covers growth or all life stages; Weruva has 0 of 10. A missing statement doesn’t mean a can is unsuitable, only that we couldn’t verify it.

For allergies and picky eaters

Chicken-free: Hill's Science Diet 0 of 11, Weruva 5 of 10. Fish-free: Hill's Science Diet 2 of 11, Weruva 4 of 10. Textures: Hill's Science Diet makes pâté, chunks in gravy; Weruva makes flaked, chunks in gravy, shreds in broth, pâté.

Questions about Hill's Science Diet vs Weruva

Is Hill's Science Diet or Weruva lower in carbs?

The typical Weruva can gets 5.8% of its calories from carbohydrate, against 21.1% for Hill's Science Diet. Hill's Science Diet has 2 of 11 recipes under the 10% low-carb line; Weruva has 7 of 10.

Which has more protein, Hill's Science Diet or Weruva?

Hill's Science Diet. Its typical can gets 43% of calories from protein, against 66% for Weruva. Hill's Science Diet has 0 of 11 recipes over 50% protein calories; Weruva has 10 of 10.

Which is more filling per ounce?

Weruva. Its cans average 20 calories per ounce against 30 for Hill's Science Diet, so a cat needs fewer ounces of it to get the same calories.

Do Hill's Science Diet and Weruva publish phosphorus?

Hill's Science Diet doesn’t publish phosphorus on the pages we checked. Weruva publishes phosphorus for 6 of 10 recipes (typical 284 mg per 100 kcal).

Which is better for a diabetic cat, Hill's Science Diet or Weruva?

Carbs are what matter most, and Weruva has the lower-carb line with 7 of 10 recipes under 10%. The best single choice is a specific recipe, not a brand: Kitten with Salmon (3.9%) from Hill's Science Diet or Mideast Feast (0%) from Weruva. Change a diabetic cat’s food only with your vet.