Made with 100% natural active ingredients to control intestinal hygiene whilst being gentle on the gut and digestive system, it can therefore provide active control throughout the year. It works by creating an environment designed to stop most intestinal challenges establishing themselves in the animal's gut and digestive system. Included in the recipe are real pieces of chicken and salmon together with medicinal herbs and a useful prebiotic. They are irresistibly tasty and can be used for reward, added to meals or used in activity play balls. Suitable for seniors, adults and kittens, they are ideal for older cats and those prone to weight gain.