February 21, 2026

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10 Best diet dog foods of 2026

Save up to 17% off

1

IAMS

IAMS Proactive Health Healthy Weight Control Adult Dry Dog Food with Real Chicken, 29.1 lb. Bag
9.8

Exceptional

Our Rating

9.1
worth the money

9.1
Flavor

8.9
quality of ingredients
How do we rank?

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Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
2

IAMS

IAMS Proactive Health Healthy Weight Control Adult Dry Dog Food with Real Chicken, 29.1 lb. Bag
9.7

Exceptional

Our Rating

9.1
worth the money

9.1
Flavor

8.9
quality of ingredients
3

Blue Buffalo
Blue Buffalo Life Protection Formula Natural Adult Healthy Weight Dry Dog Food, Chicken and Brown Rice 15-lb

12% Off
Main highlights

Key Features
Features real chicken, reduced fat for weight management, and antioxidant-rich LifeSource Bits. No artificial preservatives or by-products.

Ideal Use
Perfect for adult dogs needing to maintain a healthy weight without sacrificing nutrition or flavor.

Customer Praise
Customers often highlight the noticeable improvement in their dog`s weight and overall health, and love the high-quality, natural ingredients.
9.4

Excellent

Our Rating

8.7
Freshness

8.7
quality of ingredients

8.7
Flavor
4

Blue Buffalo
Blue Buffalo Life Protection Formula Natural Adult Healthy Weight Dry Dog Food, Chicken and Brown Rice 15-lb

17% Off
Main highlights

Key Features
Features real chicken, reduced fat for weight management, and antioxidant-rich LifeSource Bits. No artificial preservatives or by-products.

Ideal Use
Perfect for adult dogs needing to maintain a healthy weight without sacrificing nutrition or flavor.

Customer Praise
Customers often highlight the noticeable improvement in their dog`s weight and overall health, and love the high-quality, natural ingredients.
9.1

Excellent

Our Rating

8.7
Freshness

8.7
quality of ingredients

8.7
Flavor
5

IAMS
IAMS Proactive Health Healthy Weight Control Adult Dry Dog Food with Real Chicken, 15 lb. Bag
Main highlights

Supports Healthy Weight
Contains L-carnitine and less fat to aid weight control in adult dogs.

Ideal for Weight Management
Perfect for dogs needing a balanced diet to maintain a healthy weight.

Praised for Quality Ingredients
Customers appreciate the quality ingredients and positive impact on dogs' health.
Key specs
- Carbohydrates:Wholesome grains
- Ingredients:Real Chicken
- Fat:17% less fat
- Dimensions:21.5 x 14.25 x 3.5 inches
- Age:Adult dogs
8.8

Very Good

Our Rating

8.9
worth the money

8.9
Flavor

8.9
quality of ingredients
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6

IAMS
IAMS Proactive Health Healthy Weight Control Adult Dry Dog Food with Real Chicken, 15 lb. Bag
Main highlights

Supports Healthy Weight
Contains L-carnitine and less fat to aid weight control in adult dogs.

Ideal for Weight Management
Perfect for dogs needing a balanced diet to maintain a healthy weight.

Praised for Quality Ingredients
Customers appreciate the quality ingredients and positive impact on dogs' health.
Key specs
- Carbohydrates:Wholesome grains
- Ingredients:Real Chicken
- Fat:17% less fat
- Dimensions:21.5 x 14.25 x 3.5 inches
- Age:Adult dogs
8.5

Good

Our Rating

8.9
worth the money

8.9
Flavor

8.9
quality of ingredients
7

Purina ONE
Purina ONE Plus Healthy Weight High-Protein Dog Food Dry Formula - 16.5 lb. Bag
Main highlights

High-Quality Protein for Strong Muscles
Purina ONE Plus features real turkey as the number one ingredient, promoting strong muscles and a healthy heart.

Ideal for Weight Management in Adult Dogs
This dog food is perfect for managing weight in less active adult dogs needing a balanced diet.

Loved for Taste and Weight Loss Success
Customers praise its delicious taste and effectiveness in helping dogs reach a healthy weight.
8.4

Good

Our Rating

9.9
Freshness

9.5
Flavor

9.1
worth the money
8

Purina ONE
Purina ONE Plus Healthy Weight High-Protein Dog Food Dry Formula - 16.5 lb. Bag

14% Off
Main highlights

High-Quality Protein for Strong Muscles
Purina ONE Plus features real turkey as the number one ingredient, promoting strong muscles and a healthy heart.

Ideal for Weight Management in Adult Dogs
This dog food is perfect for managing weight in less active adult dogs needing a balanced diet.

Loved for Taste and Weight Loss Success
Customers praise its delicious taste and effectiveness in helping dogs reach a healthy weight.
8.3

Good

Our Rating

9.9
Freshness

9.5
Flavor

9.1
worth the money
9

Blue Buffalo

Blue Buffalo Life Protection Formula Healthy Weight Adult Dry Dog Food, Supports an Ideal Weight, Made with Natural Ingredients, Chicken & Brown Rice Recipe, 5-lb Bag
8.2

Good

Our Rating

8.7
Freshness

8.7
quality of ingredients

8.7
Flavor
10

Blue Buffalo

Blue Buffalo Life Protection Formula Healthy Weight Adult Dry Dog Food, Supports an Ideal Weight, Made with Natural Ingredients, Chicken & Brown Rice Recipe, 5-lb Bag
8.1

Good

Our Rating

8.7
Freshness

8.7
quality of ingredients

8.7
Flavor

10 Best diet dog foods of 2026

1

IAMS Proactive Health Healthy Weight Control Adult Dry Dog Food with Real Chicken, 29.1 lb. Bag

9.1

9.1

8.9

How do we rank?

How do we rank?

Analyzing top stores

2

IAMS Proactive Health Healthy Weight Control Adult Dry Dog Food with Real Chicken, 29.1 lb. Bag

9.1

9.1

8.9

3

Blue Buffalo Life Protection Formula Natural Adult Healthy Weight Dry Dog Food, Chicken and Brown Rice 15-lb

8.7

8.7

8.7

4

Blue Buffalo Life Protection Formula Natural Adult Healthy Weight Dry Dog Food, Chicken and Brown Rice 15-lb

8.7

8.7

8.7

5

IAMS Proactive Health Healthy Weight Control Adult Dry Dog Food with Real Chicken, 15 lb. Bag

8.9

8.9

8.9

6

IAMS Proactive Health Healthy Weight Control Adult Dry Dog Food with Real Chicken, 15 lb. Bag

8.9

8.9

8.9

7

Purina ONE Plus Healthy Weight High-Protein Dog Food Dry Formula - 16.5 lb. Bag

9.9

9.5

9.1

8

Purina ONE Plus Healthy Weight High-Protein Dog Food Dry Formula - 16.5 lb. Bag

9.9

9.5

9.1

9

Blue Buffalo Life Protection Formula Healthy Weight Adult Dry Dog Food, Supports an Ideal Weight, Made with Natural Ingredients, Chicken & Brown Rice Recipe, 5-lb Bag

8.7

8.7

8.7

10

Blue Buffalo Life Protection Formula Healthy Weight Adult Dry Dog Food, Supports an Ideal Weight, Made with Natural Ingredients, Chicken & Brown Rice Recipe, 5-lb Bag

8.7

8.7

8.7

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