A natural plant-derived extract taken from the bark of the maritime pine tree, which grows on the southwestern coast of France. It's ultra-small, about 7mm in diameter, 3.8mm in height, and weighs 0.14g! It's an easy-to-eat size, so it can be taken smoothly. Panfenton S, a veterinarian-exclusive product, is used in various situations at animal hospitals nationwide as a doctor-use product. Panfenton S is formulated to be compatible with medications prescribed by veterinarians.