Hill's Science Diet Adult Perfect Weight Vegetable & Salmon Medley wet cat food features clinically proven weight-management technology for safe, effective weight loss, with visible results within 10 weeks in a U.S. study. It supports healthy weight maintenance, lasting weight management and lean muscle. Clinically proven antioxidants and vitamins C and E help support a healthy immune system. Pair this savory stew with Hill's Science Diet dry food for a flavorful, nutritious meal.