Greenies Jointcare Treats For Dogs Voted 2011 Product of the Year, in the Pet Health category in a survey of 60,493 consumers Protects the mobility of adult dogs of all ages and sizes by actively nourishing healthy joints With Green-Lipped Mussel, a natural source of omega-3 fatty acids, amino acids, glucosamine, chondroitin, vitamins and minerals Unique blend of nutrients in Green-Lipped Mussels are known to promote joint health, as demonstrated in a clinical study performed by WALTHAM *Not sized for dogs under 15 lbs.