7.9
Score
IAMS
IAMS ProActive Health Indoor Weight & Hairball Care
★★★★★3876 reviews
A no-nonsense, affordable indoor cat food with chicken first and L-carnitine for fat metabolism. Solid everyday choice for cats who need weight and hairball management.
$28.99
Independently tested · Why trust us?
Pros & Cons
✓ What We Love
- Very affordable and widely available everywhere
- L-carnitine helps burn fat and maintain lean body mass
- Beet pulp fiber blend for hairball control
- Real chicken is the first ingredient
✗ Things to Consider
- Contains chicken by-product meal and corn
- Lower protein than premium competitors
- Formulation is less transparent than natural brands
Who Should Buy This?
- ✓Budget-conscious owners with overweight indoor cats
- ✓Cat parents shopping at grocery stores and Walmart
- ✓Multi-cat households needing volume at low cost
Compare Prices
Prices updated regularly. Click to check current live prices.
Full Specifications
| Crude Protein | 30% |
| Crude Fat | 10.5% |
| Crude Fiber | 7% |
| Moisture | 10% |
| First Ingredient | Chicken |
| Weight | 16 lb |
| L-Carnitine | Added |
Frequently Asked Questions
IAMS is a reputable mid-tier brand owned by Mars Petcare with decades of research. It is better than most grocery brands but does use some ingredients (by-products, corn) that premium brands avoid.
L-carnitine is a nutrient that helps the body transport fatty acids into cells to be burned for energy. In cat food, it supports lean muscle maintenance and fat metabolism — especially beneficial for less active indoor cats.
Yes. Many owners top dry IAMS with a small amount of wet food for hydration and palatability. Just reduce dry food portions to account for the extra calories from wet food.
They are very similar in price and positioning. Purina ONE has slightly higher protein (34% vs 30%) while IAMS has added L-carnitine for fat metabolism. Both are solid budget indoor options.
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Reviewed by Dr. Sarah Mitchell
Last updated: 2026-03-18 · How we test
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