For mobility and vitality PHA JointSticks for dogs are not only a tasty reward, but also support the joints of your four-legged friend. The chew sticks contain green-lipped mussel powder, which can counteract joint wear and tear. It also contributes to the elasticity of the ligaments. This helps keep your dog fit and mobile. Application: For optimal results, one stick per day is recommended. Use over a longer period is perfectly safe. Note: No sugar, flavor enhancers, or artificial flavorings.