Boreal Original Grain-Free Fish Trio Dry Cat FoodThe Boreal fish trio diet is a grain free food based on fish proteins. This is an everyday diet, which can be used to help keep weight off your cat and additionally can be used as a hypoallergenic formula. Using a core of beans and peas to replace the grains found in many cat foods, they also add in a herbal pack including blueberries and cranberries which improves the taste of the food as well as adds antioxidants with all their health benefits.