Just four simple ingredients go into this crunchy biscuit made with fresh Canadian beef liver, a real crowd-pleaser among dogs. A tasty, no-nonsense treat for rewarding your companion. • Fresh Canadian beef liver, barley, oats and apple cider vinegar • Baked in small batches and naturally preserved • Just 15 calories per biscuit, great for frequent rewards • Northern's signature crunch A short, clear recipe with one goal: making your dog happy.