Nulo FreeStyle Dry Cat Food Indoor
- Dry Cat Food
- Bag
- Veterinary Diet
- 1
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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How it ranks among the 140 dry cat food we track
4.5★ across 1,500 Amazon ratings, Bayesian-smoothed toward the category average.
1,500 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
2,000+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 140 dry cat food we track - how the scorecard works · full dry cat food data report. Confidence: high - strong rating volume and complete data.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
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.
Strengths and trade-offs
Drawn from this product's published specifications.
- Grain-free with real duck and cod first
- Contains BC30 probiotic strain
- Formulated for indoor, less active cats
- No artificial colors
- 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
| Brand | Nulo |
|---|---|
| Model | 61ID04 |
| Dimensions & fit | |
| Item Weight | 4 pounds |
| Dog Breed Size | Medium |
| Capacity & performance | |
| Age Range Description | Adult |
| Included components | |
| Unit Count | 4 pounds |
| Other details | |
| Container Type | Bag |
| Animal Food Diet Type | Veterinary Diet |
| Number Of Items | 1 |
| Item Type Name | Freestyle Cat/Kitten Dry Cat Food |
| Recommended Uses For Product | Indoor |
| Asin | B08CGQJLX7 |
| Specific Uses For Product | Indoor |
| Additional Features | High Protein, Grain-Free, Probiotics, Omega Fatty Acids, Indoor Cat-Specific Formula, Multi-Health Support |
| Best Sellers Rank | #1,942 in Pet Supplies (See Top 100 in Pet Supplies) #87 in Dry Cat Food |
| Animal Food Nutrient Content Claim | High Protein |
| Flavor | Duck & Cod |
| Manufacturer Part Number | 61ID04 |
| Animal Food Ingredient Claim | No Artificial Colors |
| Item Form | Discs |
| Model Number | 61ID04 |
| Manufacturer | Nulo |
| Upc | 811939025879 |
| Allergen Information | Grain-Free |
| Product Benefits | High protein for lean muscles, heart health, and immune support |
| Occasion | Birthday |
| Special Ingredients | Deboned 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 |
| Target Species | Cat |
| Breed Recommendation | All Breed Sizes |
Other Nulo dry cat food
How it compares
This product against the closest alternatives we track in dry cat food.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Nulo FreeStyle Dry Cat Food IndoorThis product | 4.5 / 5 | 1,500 | 4.4 / 5 |
| IAMS Proactive Health Dry Cat FoodIAMS | 4.8 / 5 | 37,300 | 4.7 / 5 |
| Purina ONE Natural, Low Fat, Weight Control, Indoor Dry Cat Food, +Plus Indoor Advantage…Purina | 4.8 / 5 | 26,600 | 4.7 / 5 |
| Hill's Science Diet Adult 1-6 Dry Cat FoodHill's | 4.7 / 5 | 17,400 | 4.6 / 5 |
| Nutrish Indoor Complete ChickenNutrish | 4.6 / 5 | 18,700 | 4.6 / 5 |
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Questions about the Nulo 61ID04
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
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.