Packed with evidence-based taste, this nutritious and nourishing recipe supports the needs of indoor cats by helping turn fat into energy, maintain muscle mass and eliminate those pesky hairballs. Does your adult cat have a hairball problem? You've come to the right place. Evidence-backed natural ingredients like fibre, psyllium husk, cellulose and slippery elm bark work together to support the movement of ingested hair, meaning less hairballs to clean up.