10 Best Costco Brand Dog Foods 2026 in the United States

Kirkland Signature Expect More Adult Formula Chicken, Rice, and Vegetable Dog Food is designed mainly for adult large breed dogs, emphasizing coat health, digestion, immune support, joints, and balanced nutrition. It features chicken as the primary protein source, supported by rice and vegetables which provide fiber and energy.

This formula aims to meet the nutritional needs of adult dogs without special dietary restrictions like grain-free or limited ingredient. The large 40-pound bag offers great value and convenience. Kirkland, Costco’s in-house brand, is known for providing quality pet food at a reasonable price.

This dog food suits most adult large breed dogs looking for everyday balanced nutrition with good support for joint and coat health, especially for budget-conscious buyers. However, if your dog has specific food sensitivities or requires a specialized diet, this formula may not fully address those needs since it includes common ingredients like rice and chicken. Some picky eaters may have varying preferences for the rice-based flavor.

The Exclusive Signature Chicken & Brown Rice Comfort Care Adult Dog Food stands out for its high-quality protein, making chicken its first ingredient. This supports health by helping with lean muscle development, a strong immune system, and healthy bones. The Comfort Care Digestive Health Support System is another key feature, enhancing digestive health with fiber and prebiotics which can be essential for sensitive stomachs.

The diet is also enriched with antioxidants from sources like blueberries and cranberries, aiding in immune support, and includes glucosamine and chondroitin for joint health, which is beneficial for active or older dogs prone to joint issues. Additionally, this formula is free from corn, wheat, soy, artificial colors, and preservatives, catering to pet owners looking for a cleaner ingredient list free of common allergens and unnecessary additives.

This dog food could be a great option for adults dogs of all breeds, particularly those with digestive sensitivities or joint concerns.

Kirkland Signature Dog Food Variety (Chicken, Rice, and Egg) is designed specifically for senior dogs, especially large breeds, with a focus on joint health. Its main ingredients—chicken, rice, and egg—provide a balanced source of protein and energy suitable for older dogs who may need gentler nutrition. The formula includes important nutrients like Vitamin E, Selenium, Zinc, and Active9 probiotics, which support immune health and digestion.

Weighing 40 pounds, this dry dog food offers good value for pet owners looking for a larger supply. The protein and fat content are appropriate for mature dogs, helping maintain muscle mass without excess calories. Kirkland, as a Costco brand, has a solid reputation for quality at an affordable price, making it a practical choice if you want dependable nutrition without breaking the bank. Some users might prefer formulas with more specialized dietary options if their dog has specific allergies or sensitivities, as this product is more of a general senior formula.

This product is an excellent option for owners seeking a cost-effective, nutrient-rich food to support their aging dog's joint and overall health.