Instinct Ultimate Protein Grain-Free Cage-Free Duck formula for cats is crafted to closely mirror the benefits of Instinct's raw diets. The result is a kibble with the highest levels of protein from real meat & unmatched digestibility for optimal nutrient absorption. 90% of the protein is from real duck, chicken & eggs. Live, natural probiotics, natural Omegas & antioxidants support digestive health, healthy skin & coat and immune health. With the pure, real nutrition of raw on every piece, it's made without grain, potato, corn, wheat, soy, by-product meal, artificial colors or preservatives.