Hill's Science Diet Adult Perfect Weight Small & Mini Chicken & Brown Rice Recipe dry dog food provides breakthrough weight management nutrition small and toy breeds can't resist. Over 70% of dogs lost weight within 10 weeks when fed this weight control dog food. Aside from long-lasting weight support, this adult dry dog food made with natural ingredients helps tiny dogs maintain lean muscle. This healthy weight dog food is formulated with decades of cutting-edge research to be a great-tasting meal small adult dogs can truly enjoy. There’s more to love with the new look of Science Diet.