The Missing Link Hip & Joint Formula was developed especially for the older and mature dogs in order to provide the ultimate in joint support in combination with great nutrition. This formula contains a unique blend of vegetarian glucosamine, Omega 3 and 6 fatty acids, dietary fiber, and phyto (plant) nutrients to promote optimal health and well-being This formula nutritionally supports healthy joints & flexibility, digestive system, immune system, skin & coat, sustained energy levels, & soft tissue, muscle, tendon & ligament function.