Pet Naturals Hairball Soft Chews Works To Prevent Hairballs By Supporting Skin And Hair Health And GI Track Functioning. Theory is if less hair is shedding, less hair will end up in your cat's belly and those that do will move better. For general health feed 2 chews a day. For hairball problems feed 4 chews twice daily for up to four days. This is a medication, do not let your cat overdose by gobbling the bag of treats. Hairball Chews are sugar free chicken liver flavored. Contain Zinc, Biotin, Omega 6 & 3 Fatty Acids, Lecithin. Based on brewers yeast, chicken liver flavor, glycerin, safflower oil, whey and more. 2.38 Oz. About 45 chews.