* L.I.P.: protein selected for its very high digestibility - Digestive Health - Stool Quality (royalcanin.com)
A grain - free formula with sweet potatoes and peas, which provides high digestibility for your dog. (huggypet.com)
Keep in mind though that you will need to feed far less of a calorie dense food with high digestibility such as Orijen, so the price difference between a super premium food and a mainstream brand isn't actually as big as it would seem. (pitbulls.org)