February 21, 2026

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10 Best diet cat foods of 2026

Save up to 15% off

1

Hill's Science Diet
Hill's Science Diet Perfect Weight, Adult 1-6, Weight Management Support, Dry Cat Food, Chicken Recipe, 7 lb Bag
Main highlights

Weight Loss Success
Over 70% of cats lost weight within 10 weeks when fed this dry food. Supports lean muscle and long-lasting feline weight support.

Ideal For Overweight Cats
Perfect for adult cats needing weight management. Cats love the taste, making it easy to switch from other brands.

Highly Recommended By Vets
Many customers praised the noticeable weight loss and improved health in their cats, with vets often recommending this brand for optimal feline health.
Key specs
- Ingredient Quality:Natural ingredients
- Weight Control:Yes, weight management
- Flavor:Roasted Vegetable & Chicken
- Fiber:N/A
- Digestion:N/A
9.8

Exceptional

Our Rating

9.7
Freshness

9.7
Weight distribution

9.5
Flavor
How do we rank?

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Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
2

Hill's Science Diet
Hill's Science Diet Perfect Weight, Adult 1-6, Weight Management Support, Dry Cat Food, Chicken Recipe, 7 lb Bag

12% Off
Main highlights

Weight Loss Success
Over 70% of cats lost weight within 10 weeks when fed this dry food. Supports lean muscle and long-lasting feline weight support.

Ideal For Overweight Cats
Perfect for adult cats needing weight management. Cats love the taste, making it easy to switch from other brands.

Highly Recommended By Vets
Many customers praised the noticeable weight loss and improved health in their cats, with vets often recommending this brand for optimal feline health.
Key specs
- Ingredient Quality:Natural ingredients
- Weight Control:Yes, weight management
- Flavor:Roasted Vegetable & Chicken
- Fiber:N/A
- Digestion:N/A
9.7

Exceptional

Our Rating

9.7
Freshness

9.7
Weight distribution

9.5
Flavor
3

IAMS
IAMS Proactive Health Indoor Weight Control & Hairball Care Adult Dry Cat Food, Chicken & Turkey Recipe, 7 lb. Bag

11% Off
Main highlights

Complete Nutrition and Hairball Control
IAMS Proactive Health provides complete nutrition with a fiber blend to reduce hairballs and support whole-body health.

Ideal for Indoor Cats with Weight Issues
Formulated with L-carnitine to help indoor cats maintain a healthy weight and metabolism.

Highly Praised for Palatability
Customers frequently praise the taste, with many cats eagerly enjoying the food.
Key specs
- Ingredient Quality:100% nutrition, 0 fillers
- Weight Control:L-carnitine for metabolism
- Flavor:Chicken & Turkey
- Fiber:Proprietary fiber blend
- Digestion:Fiber blend with beet pulp
9.6

Exceptional

Our Rating

9.9
Freshness

9.5
quality of ingredients

9.3
Flavor
4

IAMS
IAMS Proactive Health Indoor Weight Control & Hairball Care Adult Dry Cat Food, Chicken & Turkey Recipe, 7 lb. Bag

15% Off
Main highlights

Complete Nutrition and Hairball Control
IAMS Proactive Health provides complete nutrition with a fiber blend to reduce hairballs and support whole-body health.

Ideal for Indoor Cats with Weight Issues
Formulated with L-carnitine to help indoor cats maintain a healthy weight and metabolism.

Highly Praised for Palatability
Customers frequently praise the taste, with many cats eagerly enjoying the food.
Key specs
- Ingredient Quality:100% nutrition, 0 fillers
- Weight Control:L-carnitine for metabolism
- Flavor:Chicken & Turkey
- Fiber:Proprietary fiber blend
- Digestion:Fiber blend with beet pulp
9.5

Excellent

Our Rating

9.9
Freshness

9.5
quality of ingredients

9.3
Flavor
5

Purina ONE
Purina ONE Natural, Low Fat, Weight Control, Indoor Dry Cat Food, +Plus Indoor Advantage - 3.5 lb. Bag
Main highlights

Protein and Weight Control
Contains real turkey for strong muscles and healthy weight.

Ideal for Indoor Cats
Perfect for indoor cats needing weight management and hairball control.

Loved by Cats
Cats prefer the taste over more expensive brands.
Key specs
- Ingredient Quality:No artificial flavors
- Weight Control:10% less fat
- Flavor:N/A
- Fiber:Fiber-rich nutrition
- Digestion:Minimize hairballs
9.3

Excellent

Our Rating

9.1
worth the money

9.1
Aroma

9.1
Flavor
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6

Purina ONE
Purina ONE Natural, Low Fat, Weight Control, Indoor Dry Cat Food, +Plus Indoor Advantage - 3.5 lb. Bag
Main highlights

Protein and Weight Control
Contains real turkey for strong muscles and healthy weight.

Ideal for Indoor Cats
Perfect for indoor cats needing weight management and hairball control.

Loved by Cats
Cats prefer the taste over more expensive brands.
Key specs
- Ingredient Quality:No artificial flavors
- Weight Control:10% less fat
- Flavor:N/A
- Fiber:Fiber-rich nutrition
- Digestion:Minimize hairballs
9.1

Excellent

Our Rating

9.1
worth the money

9.1
Aroma

9.1
Flavor
7

Purina ONE

Purina ONE Natural, Low Fat, Weight Control, Indoor Dry Cat Food, +Plus Indoor Advantage - 7 lb. Bag
8.9

Very Good

Our Rating

9.5
worth the money

9.5
Flavor

9.3
Freshness
8

Purina ONE

Purina ONE Natural, Low Fat, Weight Control, Indoor Dry Cat Food, +Plus Indoor Advantage - 7 lb. Bag

14% Off
8.7

Very Good

Our Rating

9.5
worth the money

9.5
Flavor

9.3
Freshness
9

Hill's Science Diet
Hill's Science Diet Perfect Weight, Adult 1-6, Weight Management Support, Dry Cat Food, Chicken Recipe, 3 lb Bag
Main highlights

Weight Loss Success
Over 70% of cats lost weight within 10 weeks, supporting lean muscle and long-lasting weight management with natural ingredients.

Ideal for Overweight Cats
Best for adult cats needing weight management, particularly indoor cats with low activity levels or those struggling with obesity.

Praised for Effectiveness
Many customers noted significant weight loss and improved energy levels in their cats, along with better fur condition and overall health.
Key specs
- Ingredient Quality:Natural ingredients
- Weight Control:Supports weight management
- Flavor:Roasted Vegetable & Chicken
- Fiber:N/A
- Digestion:N/A
8.6

Very Good

Our Rating

9.9
quality of ingredients

9.5
Freshness

9.3
Weight distribution
10

Hill's Science Diet
Hill's Science Diet Perfect Weight, Adult 1-6, Weight Management Support, Dry Cat Food, Chicken Recipe, 3 lb Bag
Main highlights

Weight Loss Success
Over 70% of cats lost weight within 10 weeks, supporting lean muscle and long-lasting weight management with natural ingredients.

Ideal for Overweight Cats
Best for adult cats needing weight management, particularly indoor cats with low activity levels or those struggling with obesity.

Praised for Effectiveness
Many customers noted significant weight loss and improved energy levels in their cats, along with better fur condition and overall health.
Key specs
- Ingredient Quality:Natural ingredients
- Weight Control:Supports weight management
- Flavor:Roasted Vegetable & Chicken
- Fiber:N/A
- Digestion:N/A
8.5

Good

Our Rating

9.9
quality of ingredients

9.5
Freshness

9.3
Weight distribution

10 Best diet cat foods of 2026

1

Hill's Science Diet Perfect Weight, Adult 1-6, Weight Management Support, Dry Cat Food, Chicken Recipe, 7 lb Bag

9.7

9.7

9.5

How do we rank?

How do we rank?

Analyzing top stores

2

Hill's Science Diet Perfect Weight, Adult 1-6, Weight Management Support, Dry Cat Food, Chicken Recipe, 7 lb Bag

9.7

9.7

9.5

3

IAMS Proactive Health Indoor Weight Control & Hairball Care Adult Dry Cat Food, Chicken & Turkey Recipe, 7 lb. Bag

9.9

9.5

9.3

4

IAMS Proactive Health Indoor Weight Control & Hairball Care Adult Dry Cat Food, Chicken & Turkey Recipe, 7 lb. Bag

9.9

9.5

9.3

5

Purina ONE Natural, Low Fat, Weight Control, Indoor Dry Cat Food, +Plus Indoor Advantage - 3.5 lb. Bag

9.1

9.1

9.1

6

Purina ONE Natural, Low Fat, Weight Control, Indoor Dry Cat Food, +Plus Indoor Advantage - 3.5 lb. Bag

9.1

9.1

9.1

7

Purina ONE Natural, Low Fat, Weight Control, Indoor Dry Cat Food, +Plus Indoor Advantage - 7 lb. Bag

9.5

9.5

9.3

8

Purina ONE Natural, Low Fat, Weight Control, Indoor Dry Cat Food, +Plus Indoor Advantage - 7 lb. Bag

9.5

9.5

9.3

9

Hill's Science Diet Perfect Weight, Adult 1-6, Weight Management Support, Dry Cat Food, Chicken Recipe, 3 lb Bag

9.9

9.5

9.3

10

Hill's Science Diet Perfect Weight, Adult 1-6, Weight Management Support, Dry Cat Food, Chicken Recipe, 3 lb Bag

9.9

9.5

9.3

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