Functional Crunchy Biscuits - Beef with Spinach is made directly from our new Functional Beef Dog Food with Spinach, sliced and baked to be a nutritious treat. As with our dog foods, they are completely natural and nutritionally balanced with meat as the first ingredient. Functional Crunchy Biscuits are hard - and are meant to be - so that your dog receives the full dental benefits. With the addition of Spinach to this Beef treat, dogs will also receive the benefits of this superfood (contains high amounts of vitamins A, B, C and K - all of which provide a natural boost to a dog's overall health - plus iron which assists with normal enzyme function.