Blue Buffalo3 oz
18 cans compared
Blue Buffalo vs Purina ONE
The typical Purina ONE can gets 5.6% of its calories from carbohydrate, against 7.5% for Blue Buffalo. Blue Buffalo has 7 of 10 recipes under the 10% low-carb line; Purina ONE has 5 of 8. Below, every number is worked out the same way from each can’s label.
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Blue Buffalo vs Purina ONE 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.
| Blue Buffalo | Purina ONE | |
|---|---|---|
| Cans we compare | 10 | 8 |
| Typical carbs, % of calories | 7.5% | 5.6% |
| Carb range | 0–25.5% | 3.9–13.6% |
| Recipes under 10% carbs | 7 of 10 | 5 of 8 |
| Typical protein, % of calories | 42% | 45% |
| Typical fat, % of calories | 53% | 50% |
| Calories per ounce | 30 | 31 |
| Calories per can | 57–157 | 70–105 |
| Recipes with published phosphorus | 0 of 10 | 0 of 8 |
| Typical phosphorus, mg per 100 kcal | — | — |
| Confirmed for kittens | 1 of 10 | 7 of 8 |
| Chicken-free recipes | 0 of 10 | 0 of 8 |
| Fish-free recipes | 2 of 10 | 0 of 8 |
| Textures | Pâté, Flaked, Minced, Chunks in gravy | Pâté, Flaked |
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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 sidePurina ONE3 oz
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Same texture, head to head
For each texture both brands make, the lowest-carb recipe from each.
| Texture | Blue Buffalo | Purina ONE |
|---|---|---|
| Pâté | Chicken Recipe0% carbs · 34% protein · 119 kcal | Chicken & Salmon Recipe3.9% carbs · 39% protein · 105 kcal |
| Flaked | Flaked Chicken & Trout in Gravy5.1% carbs · 46% protein · 157 kcal | Chicken Recipe in Gravy13.6% carbs · 60% protein · 73 kcal |
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Which to choose, by what your cat needs
For a diabetic or overweight cat
Purina ONE is the lower-carb line overall. Its lowest-carb recipe is Chicken & Salmon Recipe at 3.9% of calories; Blue Buffalo’s is Chicken Recipe at 0%. Both brands have recipes under the 10% line (5 of 8 against 7 of 10), so the right recipe matters more than the brand.
For kidney concerns
Blue Buffalo doesn’t publish phosphorus on the pages we checked. Purina ONE 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
Blue Buffalo has 1 of 10 recipes whose label we could confirm covers growth or all life stages; Purina ONE has 7 of 8. A missing statement doesn’t mean a can is unsuitable, only that we couldn’t verify it.
For allergies and picky eaters
Chicken-free: Blue Buffalo 0 of 10, Purina ONE 0 of 8. Fish-free: Blue Buffalo 2 of 10, Purina ONE 0 of 8. Textures: Blue Buffalo makes pâté, flaked, minced, chunks in gravy; Purina ONE makes pâté, flaked.
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Questions about Blue Buffalo vs Purina ONE
Is Blue Buffalo or Purina ONE lower in carbs?
The typical Purina ONE can gets 5.6% of its calories from carbohydrate, against 7.5% for Blue Buffalo. Blue Buffalo has 7 of 10 recipes under the 10% low-carb line; Purina ONE has 5 of 8.
Which has more protein, Blue Buffalo or Purina ONE?
Blue Buffalo. Its typical can gets 42% of calories from protein, against 45% for Purina ONE. Blue Buffalo has 0 of 10 recipes over 50% protein calories; Purina ONE has 3 of 8.
Which is more filling per ounce?
About the same: 30 calories per ounce for Blue Buffalo and 31 for Purina ONE.
Do Blue Buffalo and Purina ONE publish phosphorus?
Blue Buffalo doesn’t publish phosphorus on the pages we checked. Purina ONE doesn’t publish phosphorus on the pages we checked.
Which is better for a diabetic cat, Blue Buffalo or Purina ONE?
Carbs are what matter most, and Purina ONE has the lower-carb line with 5 of 8 recipes under 10%. The best single choice is a specific recipe, not a brand: Chicken Recipe (0%) from Blue Buffalo or Chicken & Salmon Recipe (3.9%) from Purina ONE. Change a diabetic cat’s food only with your vet.
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