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Nulo

Nulo Freestyle Indoor Duck and Cod Dry Cat Food 4 lb

  • Item Weight: 4 pounds
  • Animal Food Diet Type: Veterinary Diet
  • Target Species: Cat
  • Allergen Information: Grain-Free

Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A grain-free, duck-and-cod kibble with a probiotic strain built in, sized as a 4 lb bag suited to trying it before committing to a larger size.

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ASIN: B08CGQJLX7Category: Dry Cat Food

Overview

Nulo FreeStyle Indoor packs deboned duck, chicken meal, and cod into a 4 lb bag of grain-free kibble for adult cats. It's built for owners wanting a high-protein, grain-free diet with added probiotics rather than a budget or prescription formula.

The ingredient list leads with deboned duck, chicken meal, and cod, followed by lentils, peas, and pea fiber as the grain-free carbohydrate base, plus a BC30 probiotic (Bacillus coagulans) and ground flaxseed for omega fatty acids. It's marketed for indoor cats specifically, which usually means a formula aimed at less active pets, though the listing does not break out an exact calorie count. The diet type field on the listing reads veterinary diet, but nothing in the ingredient panel indicates a prescription or vet-only formula.

  • Duck and cod as lead proteins
  • Grain-free, high protein formula
  • BC30 probiotic and omega fatty acids
  • Sized for adult indoor cats

Who it's for

Owners of adult indoor cats who want a grain-free, high-protein kibble with probiotics are the target buyer. It is not sized or labeled for kittens, and owners needing a vet-prescribed therapeutic diet should confirm that separately with a vet.

Pros and cons

Pros
  • Grain-free with real duck and cod first
  • Contains BC30 probiotic strain
  • Formulated for indoor, less active cats
  • No artificial colors
Cons
  • 4 lb bag is a small size
  • No listed calorie count for portioning

Performance notes

The formula uses duck, chicken meal, and cod as its first three ingredients ahead of legumes and pea fiber, the structure grain-free cat kibbles typically use to hit a high protein percentage without grain fillers. The BC30 probiotic strain and ground flaxseed are included for digestive and coat support, and the bag is sized at 4 lb, a trial size rather than a multi-month supply for most households.

Specifications

BrandNulo
Dimensions & fit
Item Weight4 poundslower than 69% of 133 dry cat food
Dog Breed SizeMedium
Capacity & performance
Age Range DescriptionAdult
Included components
Unit Count4 pounds
Other details
Animal Food Diet TypeVeterinary Diet
Target SpeciesCat
Allergen InformationGrain-Free
FlavorDuck & Cod
Special IngredientsDeboned Duck, Chicken Meal, Turkey Cod, Lentils, Whole Peas, Fat, Pea Fiber, Ground Flaxseed, Dried Chicory Root, Kelp, Sweet Potato, Cranberries, BC30 Probiotic (Bacillus Coagulans), Bacillus Coagulans Fermentation Product
Animal Food Nutrient Content ClaimHigh Protein
Item FormDiscs
Breed RecommendationAll Breed Sizes
Animal Food Ingredient ClaimNo Artificial Colors
Container TypeBag
Number Of Items1
Product BenefitsHigh protein for lean muscles, heart health, and immune support
Recommended Uses For ProductIndoor
Specific Uses For ProductIndoor
Additional FeaturesHigh Protein, Grain Free, Probiotics, Omega Fatty Acids, Indoor Cat-Specific Formula, Multi-Health Support
OccasionBirthday
AsinB08CGQJLX7
Best Sellers Rank#1,942 In Pet Supplies (See Top 100 In Pet Supplies) #87 In Dry Cat Food
ManufacturerNulo
Item Type NameFreestyle Cat/Kitten Dry Cat Food
Manufacturer Part Number61ID04
Model Number61ID04
Upc811939025879

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Frequently asked questions

Is Nulo FreeStyle Duck & Cod grain-free?

Yes, the allergen information lists it as grain-free, using lentils and peas rather than grains.

What size bag does this Nulo FreeStyle come in?

This listing is the 4 lb bag, model number 61ID04.

Is this food meant for kittens?

No, the age range description is adult, so it is formulated for grown cats rather than kittens.