Nature's Variety Raw Beef Bone 2 PKAvailable for Purchase in store or local delivery only.Raw bones are an excellent source of minerals, essential fatty acids, proteins, and enzymes. They are also a natural, balanced source of calcium and phosphorus. Feed a raw bone as a natural source of chondroitin for joint health or a natural source of fiber. Raw bones can also promote teeth and gum health for better breath! If you're feeding a raw bone for the first time, we recommend starting with a Raw Beef Bone.