An almost constant temperature and artificial lighting lead to regular hair loss in indoor cats. Two-thirds of this lost hair can be swallowed during the long and frequent grooming sessions. It may become lodged in the digestive tract and form hairballs. Predisposition to hairballs is accentuated in so-called naturally "low-excreter" cats that have food-retaining pockets in their intestines and in semi long-haired and long-haired cats. Hairballs can lead to vomiting, constipation or, in more serious cases, even intestinal blockage. A combination of different types of fibers that encourages intestinal transit and helps to facilitate the elimination of the hair your cat swallows every day. Specific nutrients can help to trap calcium in the mouth, not allowing it to attach to the teeth and contribute to the formation of tartar. A combination of compatible fiber sources support gastrointestinal health, and fatty acids, which may help to reduce inflammation. Available in 15 lbs.