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Merrick Purrfect Bistro Grain Free Salmon & Sweet Potato Dry Cat Food Purina ONE True Instinct Grain Free Ocean Whitefish Dry Cat Food

Merrick Purrfect Bistro Grain Free Salmon & Sweet Potato Dry Cat Food scores higher on KibbleLab, 8.2 to 7.8. Compare ingredients, guaranteed analysis, and AAFCO nutritional adequacy, side by side.

Merrick Purrfect Bistro Grain Free Salmon & Sweet Potato Dry Cat Food and Purina ONE True Instinct Grain Free Ocean Whitefish Dry Cat Food compared

Nutrients:
As Fed
Merrick Purrfect Bistro Grain Free Salmon & Sweet Potato Dry Cat Food
Merrick Purrfect Bistro Grain Free Salmon & Sweet Potato Dry Cat Food

Verified Jul 21, 2026

Purina ONE True Instinct Grain Free Ocean Whitefish Dry Cat Food
Purina ONE True Instinct Grain Free Ocean Whitefish Dry Cat Food

Verified Jul 27, 2026

KibbleLab score The KibbleLab expert rating, 0 to 10, based on published veterinary science.
8.2 / 10 7.8 / 10
Guaranteed analysis (as fed)
Protein Guaranteed analysis gives label minimums and maximums, not measured values, shown as fed.
36.00% 35.00%
Fat 16.00% 14.00%
Fiber 3.00% 2.00%
Calcium 1.00% 1.00%
Phosphorus 0.80% 0.90%
Omega-3 0.50% Not listed
Omega-6 1.50% 1.20%
Taurine 0.20% 0.15%
Moisture Higher moisture means a wetter food; it dilutes the other percentages above.
12.00% 12.00%
Calories 3822 kcal/kg 3651 kcal/kg
Calorie density Moderate Moderate
Ingredients
Full ingredient list Every ingredient on each label, in order of weight.
Salmon, chicken meal, pea starch, potato protein, cassava root flour, dried yeast, canola meal, beef fat preserved with mixed tocopherols, dried egg product, sweet potatoes, natural flavor, dried chicory root, phosphoric acid, flaxseed, sodium bisulfate, potassium chloride, choline chloride, salt, calcium carbonate, taurine, VITAMINS [Vitamin E supplement, niacin (Vitamin B-3), thiamine mononitrate (Vitamin B-1), calcium pantothenate (Vitamin B-5), riboflavin supplement (Vitamin B-2), Vitamin A supplement, pyridoxine hydrochloride (Vitamin B-6), Vitamin B-12 supplement, folic acid (Vitamin B-9), biotin (Vitamin B-7), Vitamin D-3 supplement, menadione sodium bisulfite complex (Vitamin K)], MINERALS [zinc sulfate, ferrous sulfate, manganese sulfate, copper sulfate, calcium iodate, sodium selenite]. A276325 Show full list
Ocean whitefish, chicken meal, pea starch, cassava root flour, soy protein isolate, beef fat preserved with mixed-tocopherols, soybean meal, pea protein, dried egg product, canola meal, dried yeast, soy protein concentrate, liver flavor, glycerin, chicken, phosphoric acid, calcium carbonate, salt, Amino Acids (L-Lysine monohydrochloride, L-Cysteine, DL-Methionine), potassium chloride, sodium bisulfate, choline chloride, taurine, VITAMINS [Vitamin E supplement, niacin (Vitamin B-3), Vitamin A supplement, calcium pantothenate (Vitamin B-5), thiamine mononitrate (Vitamin B-1), riboflavin supplement (Vitamin B-2), Vitamin B-12 supplement, pyridoxine hydrochloride (Vitamin B-6), folic acid (Vitamin B-9), Vitamin D-3 supplement, biotin (Vitamin B-7), menadione sodium bisulfite complex (Vitamin K)], MINERALS [zinc sulfate, ferrous sulfate, manganese sulfate, copper sulfate, calcium iodate, sodium selenite]. Show full list
Limited ingredient No No
Health focus Immune support, Skin coat health, Sensitive stomach, High energy Heart care, High energy
Format & suitability
Food type Dry Dry
Texture Kibble Kibble
Processing Not listed Not listed
Life stage Adult Adult
Breed size All Breed Sizes All Breed Sizes
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.
Not indicated Yes
Life stages Not listed Adult Maintenance
Substantiation How adequacy was established. Feeding trials are the higher bar; formulation means the recipe is calculated to meet the profile.
Not listed Not listed
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
  • Pea Starch
  • Cassava Root Flour
  • Beef Fat
  • Mixed Tocopherol
  • Egg Product

Not sure which is right for your pet?

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Common Questions

Which food scores higher on KibbleLab?

Merrick Purrfect Bistro Grain Free Salmon & Sweet Potato Dry Cat Food scores higher, 8.2 to 7.8 out of 10. Scores reflect published veterinary science.

Do these two foods share ingredients?

Yes. They share these top ingredients: Chicken, Pea Starch, Cassava Root Flour, Beef Fat, Mixed Tocopherol, Egg Product.

Are both foods AAFCO complete and balanced?

Merrick Purrfect Bistro Grain Free Salmon & Sweet Potato Dry Cat Food does not list an AAFCO status; Purina ONE True Instinct Grain Free Ocean Whitefish Dry Cat Food is labeled complete and balanced.

See the full profiles: Merrick Purrfect Bistro Grain Free Salmon & Sweet Potato Dry Cat Food and Purina ONE True Instinct Grain Free Ocean Whitefish Dry Cat 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.