Some dogs can be more prone to gain weight than others. Weight problems can be successfully managed through changes in your dog's food. At Hill's, nutritionists and veterinarians have developed clinical nutrition especially formulated to provide complete and balanced nutrition to manage dogs prone to weight gain. Prescription Diet w/d also helps dogs maintain normal blood glucose levels and promotes healthy digestion. Plus, with the S+OXSHIELD seal of confidence, the w/d Multi-Benefit Digestive/Weight/Glucose/Urinary Management Chicken Flavor Dry Dog Food meets specific nutrient standards shown to promote a urinary environment that helps reduce the risk of struvite and calcium oxalate crystals.