Grass-fed and free-range Beef is rich in minerals, high-quality protein, and rich in sarcosine; it helps build muscle, fight fatigue, improve immunity and promote metabolism. No added salt, sugar, coloring, preservatives, or grains Low-Temperature Air Drying The process is also made by the natural air-drying method. Without the destruction of high-temperature baking, the original flavor and nutrition are maintained. Hard and Soft Veal ribs are not calcified and are soft and hard enough for dogs to clean their teeth while gnawing, reducing the build-up of tartar and plaque. Nutritious inside and out The outer layer is composed of phosphorus and calcium, while the inner bone marrow is rich in protein, vitamins, and minerals to maintain the body's functional health.