Instinct Be Natural Real Lamb & Oatmeal Recipe Dry Dog FoodNatural nutrition begins here. Instinct Be Natural Real Lamb & Oatmeal Recipe starts with grass fed lamb and never contains filler, corn, wheat, soy or by product meals or artificial preservatives and colors. Guided by our belief in the power of raw, each piece is tumbled with crushed freeze dried raw lamb raising the bar in nutrition and taste.