We chose to offer smelt for its nutritional value. These little fish are jam-packed with essential fatty acids and a variety of vitamins and minerals that provide great health benefits to dogs and cats. In addition to the vitamin and mineral benefits from smelt, the Brewer’s Yeast is frequently recommended to kill ticks and fleas. It is known to support good digestive health, rich in antioxidant that can help boost your pet's immune system, make their skin healthier and shinier.