Vets Best Cat Hairball Relief Digestive Aid, 60 Chewable Tablets, Classic Chicken Flavor CLASSIC CHICKEN FLAVOR - Finicky cats rejoice: our classic chicken flavor is a favorite among felines. SAFE AND NATURAL - Vets Best Cat Hairball Relief Digestive Aid provides safe and natural support for a healthy digestive system while helping prevent hairballs. VETERINARIAN FORMULATED - Hairball relief comes a veterinarian formulated balance of natural ingredients, including psyllium seed, slippery elm bark, marshmallow root, and papaya extract. QUALITY - Each bottle carries the National Animal Supplement Council (NASC) Quality Seal. PETROLEUM FREE - Now comes in 2 pack of 60 chewable tablets each free of petroleum-based hairball relief ingredients. Easy to break into smaller pieces. Made in the USA.