8.7
Score
Hill's Science Diet
Hill's Science Diet Adult Indoor Cat Food Chicken
★★★★★4321 reviews
The #1 vet-recommended indoor cat food brand in America. Science-backed formula with natural fiber for hairball control and lean protein for healthy weight.
$42.99
Independently tested · Why trust us?
Pros & Cons
✓ What We Love
- #1 veterinarian-recommended brand for indoor cats
- Highest fiber content (8.5%) for superior hairball control
- Clinically tested to maintain healthy weight
- Made with natural ingredients plus vitamins and minerals
✗ Things to Consider
- More expensive than grocery-brand alternatives
- Contains chicken by-product meal and corn
- Some cats may not enjoy the taste compared to richer foods
Who Should Buy This?
- ✓Cat owners who trust veterinary recommendations
- ✓Indoor cats with chronic hairball issues
- ✓Owners wanting science-backed nutrition guarantees
Compare Prices
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Full Specifications
| Crude Protein | 31.4% |
| Crude Fat | 13.8% |
| Crude Fiber | 8.5% |
| Moisture | 8% |
| First Ingredient | Chicken |
| Weight | 15.5 lb |
| Calories | 369 kcal/cup |
Frequently Asked Questions
Hill's invests heavily in clinical research and has been a leader in veterinary nutrition for decades. Their formulas are backed by peer-reviewed studies, and they partner directly with vet schools. Many vets also sell it in-clinic.
No. Science Diet is their over-the-counter wellness line. Prescription Diet is their veterinary therapeutic line requiring a vet authorization. Both are made by Hill's but serve different purposes.
The high fiber content is specifically designed for indoor cats prone to hairballs. Natural plant fibers help move ingested fur through the digestive system, reducing hairball vomiting by up to 90%.
No. Hill's uses natural preservatives (mixed tocopherols, which are vitamin E) and citric acid. No artificial colors or flavors are used.
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Reviewed by Dr. Sarah Mitchell
Last updated: 2026-03-18 · How we test
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