Healthy Cardiac Function – Enriched with taurine and EPA & DHA to help support good cardiac function. Ideal Muscle Mass – Maintains your Rottweiler’s powerful muscles with precise protein content and L-carnitine. Joint & Bone Support – Supports bone & joint health, while maintaing an ideal weight. Exclusive Kibble Design – Exclusive tailor-made kibble is adapted to your Rottweiler.