Nutritional joint supplement for dogs.ExtendTM Joint Care helps to nourish, soothe, and support joints, cartilage, and bones of aging dogs.Extend's ingredients have been shown to support and nourish joints. It also helps support a dog's ability to fight off future signs of aging.Clinically Proven Results, GuaranteedWorks for all ages, sizes, and breeds. 100Percent PureGrade Ingredients (Highest Available) GlucosamineSupports hydration, mobility, and comfort by connective tissue strength MSMMethylsulfonylmethane an organic compound that supports proper connective tissue function and joint comfort Type II Chicken CollagenEssential building block for maintaining healthy articular cartilage Ascorbic AcidSupports the production of collagen and glycosaminoglycans like chondroitin sulfates and hyaluronic acid.Plus it has a natural, meaty taste that your dog will loveExtendTM is formulated and produced in an FDA registered, GMP certified laboratory.