100% all real, USDA inspected beef liver powder that is simply freeze dried and nothing else. Used as a top dressing, Flavor Booster is for that finicky dog or cat that is ill, tired or needs a pick- me-up added to their daily food. Our liver powder is from Wisconsin. Sprinkle Flavor Booster on your pet's food to enhance flavor and palatability or mix with water to make a light gravy. Wash hands after use. Always provide a source of clean, fresh water.