Why Brown Rice? Brown rice is a good source of dietary fiber which promotes digestive health and has been known to help maintain healthy cholesterol levels. Brown rice is also a good source of essential vitamins and minerals. Why Liver? Liver is very dense in protein, but not in calories. It’s also nutrient rich with vitamins and minerals known to promote heart and circulatory health. Liver adds the scent and meat flavor that dogs crave and makes this healthy treat even more satisfying. Why Beef? Beef is rich in protein and a good source of several vitamins and minerals which promote healthy teeth and bones. Beef adds the meat flavor that dogs crave and makes this healthy treat even more satisfying. Why Chicken? Chicken is an excellent source of lean protein. It is rich in several vitamins and minerals which promote healthy teeth and bones. Chicken adds the meat flavor that dogs crave and makes this healthy treat even more satisfying.