K9 Choice Joint Support (Glucosamine Alternative) provides the nutritional raw materials necessary to promote joint health, stability and flexibility, plus a healthier skin and coat. K9 Choice contains Biovaplex tm which is made from whey protein and eggshell membranes. K9 Choice Joint Support improves range of motion, promotes a natural anti-inflammatory response, provides antioxidants to reduce free radicals and provides collagen for a lustrous and healthy ccoat. K9 Choice Joint Support features these key elelements: Collagen, elastin, Desmosine, Glycosaminoglycans, and transforming growth factor.* Ingredients: Dried Whey Further Processed eggshell meal(membrane only) microcrystalline cellulose natural and artificial flavors Guranteed analysis: crude protein min 20% crude fat, min 1% crude fiber max 12% Results from a study involving 57 canines with limited joint mobility, demonstrated positive results within 7 days of taking Biovaplex and all subjects indicated increased activity and mobility by the conclusion of the 28 day study.