-Wild Eats uses water to help break down the dermis layer, making these collagen treats easier to digest. -Each high-protein chew contains just 23 calories for a long-lasting, guilt-free treat. -The beef gelatin base supports good dental health, a glossy coat, soft skin, and strong joints, muscles, and nails. -A great alternative to bully sticks, these chews contain no rawhide, artificial colors, or preservatives. -Cooked beef collagen is the number 1 ingredient in these gnaw-some chew treats. For a delicious, natural chew your pup just can’t put down, try Wild Eats Collagen Retriever Adult Sticks 1-cm Duck Flavor Dog Treats. These gnaw-some chews feature beef gelatin, a cooked form of collagen, as the number one ingredient. Collagen supports strong joints and muscles. It also promotes a healthy coat. Wild Eats’ collagen is hydrolyzed to help break down the dermis layer, making each chew easy to digest. Plus, they come in a fun stick shape! These chews offer a tasty alternative to bully sticks and rawhide treats. Ingredients Beef Gelatin, Chicken, Tapioca, Vegetable Glycerin, Duck, Dried Cultured Whey. FeedingInstructions Intended for intermittent and supplemental feeding only.