Samylin Small Breed Samylin is a liver supplement for cats & dogs with hepatic disorders. The liver has an essential role in many body functions, such as metabolism & storage of nutrients & is exposed to many threats & toxins every day. Samylin contains a complex of antioxidants that work synergistically to provide the best possible protection for your pet's liver. Samylin contains the antioxidant Glutathione precursor SAMe & thiol donor Silybin, as well as vitamins E & C for the management of liver disorders. Samylin Small Breed is suitable for cats & small dogs 2-10kg. For medium dogs 11-30kg use Samylin Medium Breed & for large dogs over 30kg use Samylin Large Breed. To administer Samylin, simply add it to your pet's food once a day. Samylin should be used under veterinary supervision.