Nylabone Healthy Edibles Roast Beef natural dog chews are a healthy and wholesome treat with a hearty roast beef flavor that dogs love. Crafted with your dogs wellness in mind, these healthy dog treats are made with natural ingredients and added vitamins and minerals—with no added salt, sugar, or artificial preservatives. The longer-lasting, highly digestible formula is the perfect way to occupy and satisfy your best friend. For dogs with all their permanent teeth (usually six months and older).