Pure & Simple Pet Hip and Joint Supplement for Dogs Formulated for the active dog with Green Lipped Mussels 1 Billion Colony Forming Units per Gram Glucosamine Sulfate is a natural supplement that soothes the symptoms of hip dysplasia and arthritis while regenerating damage in the joints Chondroitin prevents stress injuries to joints, aids in repair of damaged connective tissue, keeps cartilage tissue hydrated to cushion impact stress Yucca relieves swelling, pain and stiffness associated with osteoarthritis