Top your dog's kibble with raw. Instinct Raw Boost Mixers Gut Health provides fiber and live, natural probiotics to help maintain digestive health. This recipe combines cage-free chicken plus vibrant, functional, whole-food ingredients - 100% freeze-dried and bursting with flavor and nutrition. Raw, whole-food ingredients are freeze-dried to gently remove the moisture, while locking in nutrients and flavor. Made in the USA without grain, corn, wheat, soy, potato, artificial flavors or preservatives.