What is Undenatured Collagen - A form of collagen that works differently than chondroitin and glucosamine for dogs to help provide optimal joint support for your pet How Does It Work - Our dog joint supplement works with your pet's immune system to help reduce soreness and discomfort caused by collagen that has loosened from wear and tear on the joints More effective than Glucosamine – Our clinically proven and veterinarian-developed hip and joint supplement for dogs has been clinically proven more effective than glucosamine and chondroitin* 40mg of Collagen for Dogs - Along with collagen our dog hip and joint chews contain Omega-3 fatty acids and Vitamin E to ease joint stiffness and promote normal cartilage health One Chew A Day - Unlike other hip and joint supplements all you need is one chew a day to support hip and joint mobility for any breed, size, or weight of pet with our tasty dog hip and joint chews