Formulated to nutritionally control hairballs, Iams Hairball Care helps reduce the risk of hairball formation with a patent-pending fiber system that gently moves hair through the digestive tract. Like all Iams formulas, it helps maintain healthy digestion and colon health. Enhanced with vitamin-rich fish oils for overall health, Iams Hairball Care promotes a healthy skin and coat to help control hairball formation. Patented carbohydrate system helps supply energy for a healthy level of activity throughout the day.