Ultimate Canine Skin & Coat (formerly Canine Formula) The Missing Link® Ultimate Canine Skin & Coat targets the nutritional gap between what nature provides and what is available in commercial foods. Our proprietary, patented cold-processing method ensures the freshest delivery of precious Omega 3 fatty acids. This unique synergistic blend of the highest quality ingredients combines: Balanced Omega 3 & 6 to maintain healthy skin & coat. Omega fatty acids to support intercellular health, for absorption of fat soluble vitamins, and to maintain energy levels. Dietary fiber to promote a healthy digestive system. Phyto (plant) nutrients to support general health and nutrition.