Barkworthies turkey neck are a single ingredient product and are made from free-range turkey. Turkey is a highly digestible protein that is a rich source of selenium, admired for its many supportive properties. Turkey necks are packed with calcium, enzymes, and essential fatty acids. The gnawing action provided by these delicious turkey necks promotes excellent dental health. Barkworthies turkey necks are preservative free, chemical free, and additive free.