Hill's Prescription Diet w/d Multi-Benefit contains an optimal blend of soluble and insoluble fiber and is clinically tested nutrition for conditions that respond to fiber including weight management, digestive issues, and glucose management. Hill's Prescription Diet w/d Multi-Benefit is also formulated with balanced minerals and promotes a urinary environment that reduces the risk of developing struvite stones. How it helps: Formulated to help metabolize fat and maintain lean muscle Helps maintain healthy weight Supports a healthy immune system Balanced minerals for urinary health S+OXSHIELD: Formulated to promote a urinary environment that reduces the risk of developing struvite & calcium oxalate crystals How it works: Therapeutic L-carnitine levels Optimal blend of soluble & insoluble fiber Clinically proven antioxidants Appropriate fat and calories Helps manage blood glucose