Hills Science Diet Urinary Hairball Control is a dry food formulated for adult cats 1-6 years of age requiring hairball control and urinary system support. Dietary management is vital for healthy functioning of the urinary tract. Optimal levels of magnesium ensure the entire urinary system is supported from kidneys through to bladder. Natural fibre reduces hairballs whilst high quality ingredients allows for good digestion. Vitamins C, E and antioxidants support a healthy immune system. Hills Science Diet Urinary Hairball Control is made with the perfect balance of nutrition to support your cat keeping them happy and healthy.