All Dogswell products are made from premium, natural ingredients with one catch - unlike most food available for pets, Dogswell products come in a variety of functional formulas that are healthy for your dog. Give your dog something to wiggle about. Happy Hips is fortified with glucosamine and chondroitin to help maintain your dog's healthy hips and joints. Vitamin E is an antioxidant rich essential fat soluble vitamin. Vitamin E keeps the connective tissues strong and prevents skin and muscles from losing elasticity.