Brewscuits are hand-crafted dog biscuits that make use of the whole grain used to brew beer to create a one-of-a-kind treat that your dog is sure to love. Brewscuits® do not contain any chemical preservatives (BHA and BHT) or grains that are difficult to digest (corn, gluten, soy). Brewscuits® are a good source of fiber. Each variety is almost 4% fiber. They are also a good source of protein.