Hill's Science Diet Perfect Weight is a dry dog food formulated to help adult dogs reach and maintain a healthy body weight. Made with chicken as the primary protein source, it's designed for all breed sizes — dogs who need to lose weight without losing lean muscle or tolerating flavourless diet food.

The formula is built around lean muscle support and clinically backed weight management — Hill's reports over 70% of dogs achieved weight loss within 10 weeks in controlled trials. A high antioxidant profile supports immune health throughout the process. The calorie profile is designed for effective weight reduction without cutting meal sizes short or leaving dogs pestering for more between feeds.

It appeals to owners who've tried restricting portions without success, or whose vet has flagged weight as a health concern. The chicken flavour is broadly accepted, and a formula with published trial data gives owners more confidence than one making vague "light" claims.