Kirkland Signature Mature Formula Chicken Rice and Egg Dog Food 40 lb.
Analysis updated August 2026 · How Scout scores
At a glance
Summary
This dog food contains high-quality protein sources like chicken, chicken meal, and fish meal, which provide essential amino acids and omega-3 fatty acids. The inclusion of whole grains such as brown rice and barley adds fiber and energy, supporting digestive health. Despite being processed, the product maintains a clean ingredient list with beneficial components like flaxseed and dried whole egg, contributing to overall nutritional value.
Key ingredients 16
ChickenVery Good
Chicken is a high-quality source of protein, essential for muscle maintenance and repair. It provides a rich amino acid profile beneficial for dogs. The use of whole chicken indicates minimal processing.
Benefits
Provides essential amino acids and is a lean source of protein, supporting muscle health and overall vitality in dogs.
FlaxseedVery Good
Flaxseed is a source of omega-3 fatty acids and dietary fiber. It is minimally processed, retaining its natural nutrients. This ingredient supports skin health and provides anti-inflammatory benefits.
Benefits
Rich in omega-3 fatty acids and fiber, supporting skin health and providing anti-inflammatory benefits.
Chicken MealGood
Chicken meal is a concentrated source of protein, offering more protein per gram than fresh chicken. It is made by rendering chicken to remove moisture and fat. This process retains essential nutrients beneficial for dogs.
Benefits
Rich in protein and essential nutrients, supporting muscle development and maintenance in dogs.
Whole Grain Brown RiceGood
Whole grain brown rice is a complex carbohydrate that provides energy and fiber. It is minimally processed, retaining its nutrient-rich bran and germ. This ingredient supports digestive health and provides sustained energy.
Benefits
Provides dietary fiber and essential nutrients, supporting digestive health and providing a steady energy source.
BarleyGood
Barley is a whole grain that offers fiber and essential nutrients. It is minimally processed, retaining its natural vitamins and minerals. This ingredient supports digestive health and provides a source of energy.
Benefits
Rich in dietary fiber and nutrients, supporting digestive health and providing energy.
Chicken FatGood
Chicken fat is a source of essential fatty acids, important for skin and coat health. It is rendered from chicken, providing a natural source of energy. This ingredient enhances palatability and supports overall health.
Benefits
Provides essential fatty acids that support skin and coat health, and enhances the flavor of the food.
Dried Whole EggGood
Dried whole egg is a complete protein source, offering all essential amino acids. It is minimally processed, retaining its nutritional value. This ingredient supports muscle health and provides essential nutrients.
Benefits
Rich in high-quality protein and essential nutrients, supporting muscle health and overall nutrition.
Fish MealGood
Fish meal is a concentrated source of protein and omega-3 fatty acids. It is made by cooking and drying fish, preserving its nutritional content. This ingredient supports joint health and provides essential nutrients.
Benefits
Provides high-quality protein and omega-3 fatty acids, supporting joint health and overall well-being.
PotatoesGood
Beneficial ingredient — whole-food or functional value in this product class.
Benefits
Provides carbohydrates for energy but lacks significant protein or fat content.
ZincGood
Beneficial ingredient — whole-food or functional value in this product class.
Benefits
Essential for immune function and skin health, contributing to overall well-being.
Dried Beet PulpNeutral
Dried beet pulp is a source of dietary fiber, supporting digestive health. It is a byproduct of sugar beet processing, providing fermentable fiber. This ingredient aids in maintaining healthy digestion.
Benefits
Provides fermentable fiber that supports digestive health and regularity.
GlucosamineNeutral
Glucosamine is a compound that supports joint health. It is often added to pet foods to aid in joint maintenance. This ingredient is beneficial for older dogs or those with joint issues.
Benefits
Supports joint health and may aid in reducing joint pain or stiffness.
ChondroitinNeutral
Chondroitin is a compound that supports cartilage health. It is commonly used in pet foods to promote joint health. This ingredient is beneficial for maintaining joint function in dogs.
Benefits
Supports cartilage health and may aid in maintaining joint function.
Vitamin ENeutral
Vitamin E is an antioxidant that supports immune function. It is added to pet foods to enhance nutritional value. This ingredient helps protect cells from oxidative damage.
Benefits
Acts as an antioxidant, supporting immune function and protecting cells from damage.
SeleniumNeutral
Selenium is a trace mineral important for immune function and antioxidant defense. It is included in pet foods to ensure adequate intake. This ingredient supports overall health and well-being.
Benefits
Supports immune function and acts as an antioxidant, contributing to overall health.
Active9 ProbioticsNeutral
Active9 Probiotics are beneficial bacteria that support gut health. They are added to pet foods to promote digestive balance. This ingredient aids in maintaining a healthy gut microbiome.
Benefits
Supports gut health and promotes digestive balance, contributing to overall well-being.
Processing
Processed Foods
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