Specifically designed formulation for senior horses. Compounds proven to support the joint, connective tissue and soft tissue. Glucosamine hcl, MSM, chondroitin sulfate and yucca are key ingredients for healthy joint support. Ester c and vitamin e as antioxidants. Pelleted with yeast culture and stabilized rice bran for palatability. Cost effective - affordable for everyday feeding.Size is 20 Pound. Dimensions are 12.5 X 12.5 X 13.5 Stabilized Rice Bran, Yucca Schidigera, Glucosamine Hcl, Methylsulfonylmethane, Yeast Culture Dehydrated, Calcium Ascorbate As Ester C, Chondroitin Sulfate, Vitamin E, Citric Acid, Lecithin And Rosemary Extract. UPC Code = 784299542006