SINGLE INGREDIENT: 100% Chicken Necks All-natural. No added hormones. No antibiotics. Promotes healthy teeth and gums Plaque and tartar control Supports healthy joints and mobility Ancestral Hunter Chicken Necks are naturally high in glucosamine, chondroitin, and Omega 3 fatty acids which helps support your pet’s joints. Chicken necks are nature’s toothbrush and may help to improve overall dental health. They make the perfect size crunchy treats for both cats and dogs.