Help your pupper keep off the pounds with Purina Pro Plan Veterinary Diets OM Select Blend Overweight Management With Chicken Canine Formula Dry Dog Food. This great-tasting dry food with chicken is specially formulated to help dogs lose weight while maintaining muscle. It is crafted in collaboration with nutritionists, researchers and veterinarians to contain isoflavones to reduce the risk of regain. This dry dog food is paw-fect for all breeds of dogs in any stage of life and features a high protein-to-calorie ratio that’s low in fat and packed with natural fiber to help keep your sidekick feeling satisfied.