The Missing Link?s long-trusted formula is now even better and is sporting a new look! The same great base formula that pet parents have relied on has now been enhanced with the addition of powerful tasty natural ingredients to help pets thrive. The supplement helps ease joint stiffness from regular daily activities and exercise and support mobility. The trusted formula still delivers essential Omega 3 and 6 fatty acids and dietary fiber plus Glucosamine and now features the addition of Chondroitin Sulfate to help cushion joints MSM to support joints and muscles Hyaluronic acid to help lubricate joints and probiotics for nutrient absorption. FEATURES: Vet developed proven to support joint mobility and flexibility. Promotes cartilage development Supports optimal bone health Helps sustain energy levels. Promotes healthy skin & coat LactoSpore? probiotics boost absorption making it easier for pets to utilize essential nutrients. Modern new package design with a powder resistant zip closure.