Collagen is essential for maintaining your dog’s joint health; it aids digestion and promotes a healthy skin and coat. Barkworthies Beef Cheeks are collagen-based treats sourced from free-range, grass-fed cattle. This durable Curly Beef Cheek offers a tasty challenge for your dog as they spend hours gnawing and scraping away the plaque and tartar from their teeth. Free of artificial preservatives, additives, flavors, colors and chemical treatments, our Beef Cheeks are easily digestible and drool-worthy source of collagen!